Getting Sash Windows Ready for Winter Without Losing Their Character
Getting sash windows ready for winter starts with checking their condition, identifying unwanted draughts and addressing problems with the timber, glazing and moving parts. In many cases, carefully planned repairs can improve comfort while retaining the proportions and details that give original windows their appeal.
Cold air around a window does not automatically mean the whole unit needs replacing. Worn seals, poorly fitting sashes, damaged putty or deteriorating timber may each require a different response.
At Mortice & Green, we have been repairing, renovating and manufacturing wooden windows since 1994. As an independent, family-run company serving London and the surrounding areas, we help homeowners understand what their windows need before recommending repairs, refurbishment or replacement.
Start With How Each Window Performs
Before winter arrives, take time to notice how your windows behave. One may open smoothly but rattle in the wind, while another may stick or feel unusually heavy.
Check for visible gaps, peeling paint, cracked glazing putty and signs of moisture around the sill. Look at accessible areas from inside or ground level, without leaning out or attempting to reach difficult external surfaces.
It helps to make a short list for each room. Record where you notice draughts, whether the window closes fully and any changes following wet weather.
This gives a specialist useful information and helps distinguish isolated faults from problems affecting the whole window. A room-by-room assessment can also help you prioritise work if you are planning improvements in stages.
Address Draughts Without Sealing the Window Shut
Draught proofing can reduce unwanted air movement through gaps around the moving sashes. The work should preserve the window’s ability to open and close properly.
Applying sealant indiscriminately or painting across moving joints can create further problems. A window that has been sealed shut loses its intended function and may become more difficult to repair later.
Mortice & Green incorporates discreet brush-pile draught proofing within replacement parting and staff beads as part of its renovation service. These components sit around the sashes, allowing the work to be integrated into the window’s existing appearance.
Draught proofing should also be considered alongside the home’s ventilation arrangements. Reducing uncontrolled draughts is useful, but rooms still need suitable ventilation.
Repair Damaged Timber Before Focusing on Decoration
Fresh paint can improve a window’s appearance, but it cannot resolve deterioration underneath.
If you notice flaking paint, open joints or visible damage around the sill and lower sections of the frame, arrange an assessment before simply repainting. These areas may need preparation and timber repairs first.
Localised deterioration does not necessarily require a complete replacement window. Depending on its extent and the condition of the surrounding material, a specialist may be able to retain sound timber and repair the affected section.
Mortice & Green’s restorative joiners assess wooden windows with repair and retention in mind. Understanding the condition of the existing structure helps establish what can be preserved and where replacement material is needed.
Check Cords, Pulleys and Balance
Winter preparation should include how the window operates, not just how it looks.
A sash that drops, refuses to stay open or feels difficult to lift may have a problem with its cords, pulleys or balance. These faults deserve attention rather than being managed with improvised props or by forcing the window.
Properly functioning components make it easier to open the window when needed and close it securely afterwards.
Mortice & Green’s refurbishment work can include replacing sash cords, rebalancing the sashes and addressing worn fittings. The appropriate scope depends on the inspection, but restoring movement is an important part of bringing an older window back into useful condition.
Look Closely at Glazing and Putty
The condition of the glazing and its surrounding putty can affect how well a window keeps out the weather.
Cracked panes, loose glazing or deteriorated putty should be assessed before decorating. Water staining around a window also deserves investigation, because the source may not be the most obvious visible gap.
Avoid assuming that every damp patch is caused by condensation or that every draught comes through the glass. The junctions between materials, the fit of the sashes and the condition of the frame all need consideration.
A careful inspection helps target the actual problem and prevents cosmetic work from concealing something that still needs repair.
Preserve the Details That Give the Window Its Character
The character of a sash window comes from more than its overall shape. Glazing bars, frame profiles, meeting rails and the relationship between the upper and lower sashes all contribute to its appearance.
When repairs are proposed, discuss which original elements can remain and how any replacement sections will relate to them.
Hardware deserves similar attention. Locks, catches and other fittings should work properly while remaining appropriate to the window.
For listed buildings or homes in conservation areas, establish any relevant consent requirements before commissioning alterations. Do not assume that a particular upgrade is acceptable simply because it appears visually discreet.
Consider Double Glazing as a Separate Decision
Draught proofing and double glazing address different aspects of window performance. Draught proofing tackles unwanted air movement around gaps, while double glazing changes the glazing specification.
It is worth understanding the condition and suitability of the existing windows before deciding whether to combine these improvements.
Mortice & Green offers the upgrading of suitable existing sash windows to double glazing, alongside bespoke replacement windows. An assessment is needed to establish what is appropriate for the particular frame, its proportions and any conservation requirements.
This allows you to compare options without assuming that improved winter comfort must involve removing every original window.
Plan Redecoration Around the Repair Work
Once repairs have been agreed, decoration should follow in the correct sequence.
Preparation, suitable materials and appropriate drying conditions all influence the finish. Painting over damp or deteriorating surfaces can leave the underlying problem unresolved.
Discuss the programme with your contractor, particularly when external work is planned during colder or wetter months. Weather conditions may affect when particular tasks can be completed.
Mortice & Green can combine window renovation with internal and external redecoration. Coordinating these stages helps ensure the finished appearance supports the repair work rather than concealing defects beneath it.
Prepare Your Sash Windows With Mortice & Green
Original sash windows can often be improved through a combination of targeted repairs, draught proofing and careful refurbishment. The right approach starts with their individual condition and keeps both comfort and architectural character in view.
Mortice & Green’s small team of restorative joiners works across London and the surrounding areas, helping homeowners maintain, renovate and, where necessary, replace wooden windows. Call 020 7118 9191 to arrange a free, no-obligation quotation and discuss getting your sash windows ready for winter.
Double Glazing Existing Sash Windows in Kensington or Holland Park– What’s Possible in a Conservation Area?
Can you put double glazing into existing sash windows?
In some circumstances, yes. One approach is to retain the existing timber sash window frames and introduce specially designed slim double-glazed units. This can potentially improve insulation while retaining much of the appearance of the original window. However, traditional sash windows were generally designed around single glazing. Modern double-glazed units are thicker and heavier than traditional panes, so they cannot simply be installed into every existing sash window. Factors that need to be considered include:- The condition of the timber frame
- The depth and construction of the existing sashes
- The existing glazing bar arrangement
- The weight of the proposed glass
- The condition of the sash cords and pulleys
- The available space within the existing rebates
- The position of shutters or other internal features
- The appearance of the proposed glazing from outside
Double glazing sash windows in Holland Park
Holland Park contains many period properties with traditional timber windows, and window alterations can therefore require particular care. The council has specifically considered ways of making certain window improvements easier for listed buildings in the Holland Park, Pembridge and Queen's Gate Conservation Areas. Its proposed Local Listed Building Consent Order has included the possibility of installing double-glazed sealed units within existing frames, subject to specific conditions. This is an important development for homeowners considering Double Glazing Sash Windows in Holland Park, but it should not be interpreted as blanket permission for every property. The applicable requirements depend on the building and the nature of the proposed work. In particular, listed buildings have additional controls that need to be considered separately. Before making changes, it is therefore sensible to establish:- Whether the property is in a conservation area.
- Whether the property is individually listed.
- Which conservation area the property falls within.
- Whether the proposed work qualifies under any applicable consent or planning provisions.
- Whether the existing sash windows can technically accommodate the proposed glazing.
What if the existing sash windows are in good condition?
If your existing timber sash windows are structurally sound, replacing them may not be necessary. A specialist repair and draught-proofing service can often address common problems such as:- Draughts around the sashes
- Sticking or rattling windows
- Worn sash cords
- Damaged pulleys
- Loose joints
- Deteriorated putty
- Flaking or failed paint
- Minor timber deterioration
What is involved in upgrading an existing sash window to double glazing?
Where double glazing is appropriate, the work needs to be carefully planned. The first step is to inspect the existing window and determine whether the frame and sashes are suitable. If the window is structurally sound, the existing sashes may potentially be adapted to accept slim double-glazed units. This can involve carefully removing the existing glass, preparing the glazing rebates and making any necessary adjustments to accommodate the new units. The weight of the new glazing also needs to be considered. Traditional sash windows operate using a carefully balanced system of weights, cords and pulleys. Adding heavier glazing can affect this balance, meaning that the counterweights and sash mechanism may need to be adjusted. This is one reason why installing double glazing into traditional sash windows is not simply a case of replacing one pane of glass with another.Slim double glazing vs traditional single glazing
Slim double-glazed units are designed specifically for situations where space is limited. They can offer improved thermal performance compared with traditional single glazing while taking up less space than standard modern double-glazed units. However, there is always a balance between thermal performance, appearance, weight and compatibility with the existing window. For a historic property, the thinnest available glass is not automatically the right solution. The glazing needs to work with the proportions and construction of the sash window. The visual details matter too. RBKC conservation guidance has highlighted concerns around inappropriate glazing bars and notes that attempts to replicate historic glazing patterns using false glazing bars positioned between panes can be unacceptable in some historic contexts. This illustrates why the design of the glazing should be considered alongside the window frame rather than in isolation.Wooden windows and conservation: why retaining the original frame matters
There is an important distinction between repairing an original timber sash window and replacing it with a completely new window. Original timber windows can contain historic details that are difficult to reproduce exactly, including:- Original glazing bars
- Timber profiles
- Sash horns
- Box frame details
- Traditional joinery
- Original proportions
- Historic paint finishes
Do I need planning permission for double glazing in Kensington?
There is no single answer that applies to every property. The requirements can depend on the property's location, listed status, the nature of the proposed alterations and the relevant planning controls. RBKC has also introduced a Local Development Order relating to windows in residential properties, with the intention of simplifying certain window changes where the replacement has a similar appearance to the existing window. The council's information specifically notes that the order does not allow changing a wooden window to uPVC under that arrangement. This is another reason to avoid assuming that a standard replacement window installation is automatically permitted. If you are unsure, check the current requirements with the Royal Borough of Kensington and Chelsea or obtain appropriate planning advice before work begins.Choosing the right approach for your Kensington sash windows
There is no single solution that works for every historic sash window. A Victorian sash in a later terrace may have very different proportions and glazing requirements from an early Georgian window. Similarly, a listed property may have different requirements from a non-listed home within the same conservation area. The right approach should therefore consider both performance and preservation. For homeowners researching Double Glazing Sash Windows in Holland Park, the priority should be to understand what is technically possible for the existing windows and what is appropriate for the individual property. For those researching wooden windows conservation, retaining and repairing original timber where possible can also be an important part of protecting the character of a period home.Expert sash window repairs and upgrades in Kensington
At Mortice & Green, we specialise in the repair and restoration of traditional sash windows. We can assess the condition of your existing timber windows and discuss options for improving their performance while respecting their original character. Depending on the condition and construction of your windows, this may include sash window repairs, draught proofing, timber repairs and advice on glazing options. If you own a period property in Kensington, Holland Park or the surrounding areas and are considering upgrading your sash windows, we recommend assessing the existing windows before deciding whether replacement or double glazing is the right solution. Contact Mortice & Green to discuss your sash windows and find out what options may be suitable for your property.How To Reduce Rattles And Draughts From Traditional Sash Windows
Why Do Traditional Sash Windows Become Draughty?
Sash windows are designed with moving sections that slide within the window frame. Over many years of use, small gaps can develop between these components. Timber can also experience natural movement, while existing beads and other parts may become worn. These gaps can allow cold air to pass around the window, making rooms feel less comfortable during colder months. The issue can be particularly noticeable in older properties where the original windows have not been renovated for many years. Rather than immediately replacing the windows, it is worth assessing whether the existing structure can be repaired and improved.What Causes Sash Windows To Rattle?
Rattling often occurs when there is too much movement between the sash and surrounding frame. When windows are affected by wind or vibrations, loose-fitting components can move and create the familiar rattling sound. Worn sash cords, beads, catches or other components can also affect how securely the window sits within its frame. A professional inspection can identify where the movement is occurring and determine which parts require repair, adjustment or replacement.How Does Sash Window Draught Proofing Work?
Professional draught proofing is designed to reduce unwanted gaps around moving parts of the sash window without preventing it from opening and closing correctly. At Mortice & Green, draught proofing can form part of a wider sash window renovation and refurbishment service. Discreet brush piles are integrated within the parting beads and staff beads that hold the sash windows in position. This can help reduce draughts and rattling while improving heat retention within the home. Because the system is incorporated into the window itself, the traditional appearance of the sash window can be maintained.Consider A Full Sash Window Renovation
If your windows have several issues, draught proofing alone may not be the only work required. Older sash windows can benefit from a more comprehensive renovation. A professional renovation can involve replacing old sash cords, rebalancing the sliding sashes, replacing pulley wheels, locks and catches, and fitting new timber replica parting and staff beads. The objective is to help original period windows open and close correctly while addressing draughts and rattles. This approach can be particularly worthwhile when the original timber remains suitable for restoration.Replace Worn Sash Cords
Sash cords are an important part of the traditional window mechanism. They work alongside the weights within the sash box to allow the window to move smoothly and remain balanced. When cords become worn or break, the sash may become difficult to operate correctly. This can contribute to poor movement and may mean the window no longer sits as intended. Replacing worn cords and correctly rebalancing the window can therefore form an important part of restoring its operation.Check Locks, Catches And Other Components
Smaller components can have a surprisingly significant impact on the way a sash window performs. Worn locks, catches and pulley wheels can all contribute to problems with operation or movement. During renovation, these elements can be inspected and replaced where required. Addressing several smaller issues at the same time can help the complete window function more effectively rather than focusing solely on one visible problem.Improve Insulation Without Losing Original Windows
Draughty windows don't automatically need to be removed to improve the comfort of your property. Where the existing windows are suitable, renovation and draught proofing can provide an alternative that retains more of the property's original features. Mortice & Green can also retrofit slimline double-glazing units into existing sash window frames where appropriate. This provides another option for homeowners looking to improve thermal performance while retaining the character and appearance of their original windows. The right approach will depend on the condition and construction of the individual windows.Don't Ignore Small Window Problems
A slight rattle or occasional draught can be easy to overlook, particularly if the window still opens and closes. However, these problems can indicate that components are becoming worn or that gaps have developed within the window. Having sash windows inspected when problems first become noticeable gives you a better understanding of their overall condition. In some cases, relatively straightforward repairs may be enough to improve their operation. Regular maintenance can also help preserve traditional timber windows and identify areas requiring attention before deterioration becomes more extensive.What About Sash Windows In Listed Buildings?
Owners of listed buildings and properties within conservation areas may need to take additional considerations into account before altering their windows. Mortice & Green has experience working with sash windows in London's conservation areas and listed buildings, including reproduction windows designed to match original styles, proportions and materials. The company can also advise on consent requirements as part of a site survey. Where original windows can be retained and improved, renovation may provide a suitable way to enhance performance while respecting the character of the building.Repair Or Replace?
The condition of the existing timber is an important factor when deciding whether to repair or replace a sash window. Many traditional wooden windows can be restored even when they initially appear tired or difficult to operate. Repair and renovation can preserve more of the original fabric of a period property. Where windows have deteriorated beyond practical repair, replacement sash windows can instead be manufactured to complement the style and proportions of the originals. A specialist assessment can help determine the most appropriate approach rather than assuming replacement is always necessary.Professional Sash Window Repairs From Mortice & Green
Rattling and draughty sash windows can affect the comfort of your home, but they don't necessarily mean you need completely new windows. Draught proofing, new sash cords, rebalancing and replacement components can all form part of restoring traditional sash windows to better working condition. Mortice & Green has been repairing, restoring and manufacturing sash windows in London since 1994, with a team specialising in traditional wooden windows. If your sash windows are rattling, difficult to operate or allowing noticeable draughts into your property, professional renovation can help address the underlying problems while preserving the traditional character of your home.Why Mortice & Green Is the Trusted Choice for Sash Window Repairs and Restoration in London
More Than 30 Years of Specialist Experience
Experience plays a vital role when restoring traditional sash windows. Every period property is different, and original timber windows often require a tailored approach rather than a one-size-fits-all solution. Understanding traditional construction methods, historic joinery techniques and the way older timber behaves allows experienced specialists to carry out repairs that preserve both appearance and functionality. Since being established in 1994, Mortice & Green has successfully restored, repaired and manufactured sash windows for homeowners throughout London. This extensive experience allows our team to diagnose problems accurately and recommend the most appropriate solution for every property.Preserving Original Character Wherever Possible
Many original sash windows can be restored rather than replaced. Instead of removing historic features unnecessarily, professional restoration focuses on repairing damaged timber, replacing worn components and improving performance while retaining the window's original appearance. This approach helps preserve the architectural integrity of period homes while extending the lifespan of existing windows. Where replacement is genuinely required, bespoke hardwood reproduction windows can be manufactured to match the original design, ensuring the property retains its traditional character. Our aim is always to preserve as much of the original craftsmanship as possible.Comprehensive Sash Window Services
Sash windows can develop a wide variety of issues over time, each requiring specialist attention. At Mortice & Green, we provide a complete range of services, including sash window repairs, refurbishment, renovation, draught proofing, sash cord replacement, wooden window restoration, bespoke hardwood sash windows and replacement windows where necessary. Whether a window is difficult to open, suffers from rattling, has damaged timber or requires improved thermal performance, our experienced restorative joiners have the expertise to deliver the right solution. This comprehensive service allows homeowners to address multiple issues while working with one trusted specialist.Improving Comfort Without Losing Character
One of the most common complaints about traditional sash windows is heat loss and unwanted draughts. Professional restoration can significantly improve comfort without compromising the appearance of the windows. During refurbishment, discreet draught-proofing systems are integrated into the parting and staff beads, reducing rattles while helping improve insulation and heat retention. For homeowners looking to enhance energy efficiency further, existing sash windows can often be upgraded with slimline double glazing while preserving their original style. These improvements allow period properties to enjoy modern comfort while maintaining their historic charm.Specialists in Conservation Areas and Listed Buildings
Many London homes are located within conservation areas or are listed buildings, meaning window work often requires specialist knowledge. Mortice & Green has extensive experience working on properties where preserving the original appearance is essential. Our bespoke hardwood reproduction windows are carefully manufactured to match existing proportions, profiles and detailing, helping satisfy conservation requirements where replacement is necessary. We also advise homeowners on planning considerations and listed building requirements, providing confidence that work is carried out sympathetically and professionally. This expertise makes us a trusted choice for period property owners across London.Honest Advice Every Time
Choosing between repairing and replacing sash windows can sometimes be difficult. At Mortice & Green, we believe every customer deserves honest, straightforward advice based on the condition of their windows rather than the most profitable option. We carefully assess each property before recommending the most appropriate solution, ensuring homeowners receive practical advice tailored to their individual needs. This transparent approach has helped us build long-term relationships with clients who value quality workmanship and genuine expertise. Providing the right solution, not simply the most expensive one, has always been central to our business philosophy.Skilled Craftsmanship That Stands the Test of Time
Restoring sash windows successfully requires exceptional attention to detail. From replacing worn sash cords and pulley wheels to repairing timber and balancing window weights, every stage of the restoration process must be completed with precision. High-quality workmanship not only improves the appearance of the windows but also ensures they operate smoothly and continue performing reliably for many years. Our experienced restorative joiners take pride in every project, delivering repairs and restorations that combine traditional craftsmanship with modern techniques where appropriate. The result is beautifully restored windows that complement the character of your home while offering improved performance.Family Values and Personal Service
As a small, independent family-run business, Mortice & Green offers a level of personal service that larger national companies often struggle to match. Every project is approached with care, professionalism and a genuine commitment to customer satisfaction. From the initial survey through to the completed installation or restoration, clients receive clear communication, reliable service and meticulous attention to detail. By maintaining the same values established when the company was founded, we continue to provide a service built on trust, craftsmanship and long-term customer relationships.Why Choose Mortice & Green?
Mortice & Green has been providing professional sash window repairs and restoration in London for more than 30 years. Our experienced team specialises in restoring original timber sash windows, carrying out expert repairs, draught proofing, refurbishment, slimline double glazing upgrades and bespoke hardwood replacements where required. We combine traditional joinery skills with modern restoration techniques to deliver outstanding results while preserving the unique character of period properties. Whether you're dealing with rattling windows, broken sash cords, deteriorating timber or planning a complete restoration project, we provide honest advice, exceptional workmanship and outstanding customer care from start to finish.Restore Your Sash Windows with Confidence
Beautiful sash windows deserve specialist care. Choosing professional sash window repairs and restoration in London allows you to preserve your property's original character while improving comfort, energy efficiency and everyday performance. With experienced craftsmen carrying out every repair and restoration, you can enjoy windows that look exceptional and continue performing for decades to come. If your sash windows are in need of repair, refurbishment or restoration, contact Mortice & Green today. Our experienced team is ready to help you protect your period property with expert workmanship, honest advice and a commitment to quality that has been trusted by London homeowners since 1994.Why Conservation Areas Often Prefer Restored Sash Windows
What Is a Conservation Area?
A conservation area is a designated location recognised for its special architectural or historic interest. Local authorities aim to preserve or enhance the character of these areas by carefully managing changes to buildings and streetscapes. Properties within conservation areas are often subject to additional planning considerations, particularly when it comes to external alterations. This can include changes to:- Windows
- Doors
- Roofing
- External finishes
- Extensions
Original Sash Windows Are Part of a Property's Character
Many homes within conservation areas were originally built with timber sash windows. These windows are often one of the defining architectural features of Georgian, Victorian, and Edwardian properties. Traditional sash windows contribute to a property's:- Historical authenticity
- Architectural character
- Visual appeal
- Heritage value
Restoration Preserves Historic Features
One of the main reasons conservation officers favour sash window restoration is that it preserves original craftsmanship and detailing. Many older sash windows contain features that are difficult to replicate perfectly, including:- Original timber mouldings
- Historic glazing bars
- Traditional joinery techniques
- Period ironmongery and fittings
Restored Sash Windows Can Perform Like New
A common misconception is that original sash windows are always inefficient. In reality, many issues associated with older windows can be resolved through refurbishment. Professional sash window restoration often includes:- Replacing worn sash cords
- Rebalancing the sashes
- Repairing damaged timber
- Replacing faulty hardware
- Installing draught proofing systems
- Improving operation and security
Draught Proofing Improves Energy Efficiency
One of the biggest concerns for homeowners is heat loss through older windows. Fortunately, sash window draught proofing can dramatically improve thermal performance while preserving the original appearance of the windows. Modern draught proofing systems use discreet brush seals integrated into the window framework to reduce:- Cold draughts
- Heat loss
- Noise penetration
- Window rattling
Restoration Is Often More Sustainable
Sustainability is becoming increasingly important in the construction and renovation industry. Restoring existing sash windows is often a more environmentally responsible option than full replacement because it:- Reduces waste
- Preserves existing materials
- Minimises landfill disposal
- Requires fewer new resources
Planning Approval Can Be Simpler
In conservation areas, obtaining approval for replacement windows can sometimes be challenging. Local authorities may require replacement windows to match the original design exactly, which can increase costs and complexity. Restoration work is often viewed more favourably because it preserves the existing historic fabric of the building. In many cases, repairing and refurbishing original sash windows can help homeowners avoid the complications associated with replacing them. However, requirements vary depending on the property and location, so professional advice should always be sought before carrying out any work.Restored Sash Windows Can Increase Property Value
Period property buyers often place significant value on original features. Well-maintained sash windows can enhance:- Kerb appeal
- Heritage value
- Buyer interest
- Overall property value
Modern Upgrades Without Losing Character
Today's restoration techniques allow homeowners to enjoy modern performance standards while retaining period charm. Depending on the property and planning requirements, upgrades may include:- Draught proofing
- Improved security features
- Slimline double glazing
- Timber repairs
- New sash cords and pulleys
- Decorative restoration
Trust Experienced Sash Window Specialists
Successfully restoring sash windows requires specialist knowledge, traditional joinery skills, and a thorough understanding of period properties. At Mortice & Green, we have been repairing, restoring, refurbishing, and replacing sash windows across London since 1994. Our experienced team specialises in helping homeowners preserve the character of their properties while improving the performance and longevity of their windows. Whether you require sash window repairs, refurbishment, draught proofing, timber restoration, or replacement sash windows, we can provide expert advice tailored to your property. If you own a period property within a conservation area and would like to discuss your sash windows, contact Mortice & Green today for professional guidance and a no-obligation quotation.The Benefits Of Summer Sash Window Maintenance For London Homeowners
Take Advantage Of Better Weather Conditions
One of the main reasons summer is an ideal time for sash window maintenance is the weather. Dry conditions make it easier to carry out inspections, repairs, painting, and restoration work without interruptions caused by rain or cold temperatures. Timber repairs, repainting, and refurbishment projects generally achieve better results during warmer months, allowing materials to cure and settle properly. This helps ensure a longer-lasting finish and reduces the likelihood of future issues.Improve Ventilation Throughout Your Home
Traditional sash windows were designed to provide excellent natural ventilation. By opening both the top and bottom sashes, warm air can escape through the top opening while cooler air enters through the bottom. However, if sash windows are sticking, poorly balanced, or affected by worn cords, homeowners may struggle to use them effectively. Summer maintenance helps ensure your windows open and close smoothly, allowing you to maximise airflow and keep your home comfortable during warmer weather.Identify Problems Before They Become Worse
Minor sash window issues can often go unnoticed until they become larger and more expensive problems. Summer is the perfect time to inspect your windows for signs of wear and tear. Common issues include:- Frayed or broken sash cords
- Loose pulley systems
- Timber decay
- Sticking sashes
- Worn putty
- Damaged paintwork
- Draughts and rattles
Prepare For The Colder Months Ahead
While summer may seem an unusual time to think about winter, it is actually the best time to prepare your windows for colder weather. Any gaps, damaged seals, or worn components can allow heat to escape once temperatures begin to drop. Sash window renovation and draught proofing carried out during summer can significantly improve insulation and heat retention throughout the home. This helps create a more comfortable living environment and may reduce heating costs during the winter months. At Mortice & Green, our professional draught proofing solutions are designed to improve performance while preserving the appearance and character of traditional sash windows.Protect Your Timber Windows
Timber sash windows are incredibly durable when properly maintained, but exposure to the elements can gradually affect their condition. Summer provides an excellent opportunity to inspect paintwork and protective finishes for signs of deterioration. Peeling paint, exposed timber, and minor areas of decay should be addressed promptly to prevent moisture penetration and further damage. Routine maintenance can help protect the timber and preserve the appearance of your windows for many years to come.Enhance Energy Efficiency
Older sash windows are often unfairly criticised for poor energy performance. In many cases, issues arise simply because windows have not been maintained properly. Through professional refurbishment, draught proofing, and, where appropriate, upgrading to double glazing, sash windows can provide impressive levels of energy efficiency without compromising their traditional appearance. Summer maintenance provides an excellent opportunity to assess how your windows are performing and identify improvements that could benefit your home year-round.Why Choose Mortice & Green?
As London's original sash window repair and replacement specialists, Mortice & Green has built a reputation for quality craftsmanship, honest advice, and exceptional customer service. Our experienced team specialises in sash window repairs, refurbishment, draught proofing, restoration, and bespoke replacement windows, helping homeowners protect and enhance their properties.Book Your Summer Sash Window Maintenance
Summer offers the perfect conditions for inspecting, repairing, and improving your sash windows. Whether you need minor repairs, full refurbishment, draught proofing, or expert advice, addressing any issues now can help keep your home comfortable, efficient, and well-maintained throughout the year. At Mortice & Green, we are committed to helping London homeowners preserve the beauty and performance of their sash windows. By investing in summer maintenance, you can protect your property's character, improve comfort, and enjoy peace of mind knowing your windows are ready for every season.Contact us 24 hours a day!
Mortice & Green
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The History of the Sash Window
Homeowners who are looking to enhance the aesthetic beauty and overall efficiency of their properties often opt to replace their windows and sliding doors. Windows are also a primary consideration when customizing new construction or restoring old units. Currently, an all new appreciation is growing for the classic, box sash window. Far more intricate than basic, modern designs, these carefully crafted units can give homes a timeless appeal. Following is everything you need to know about the history of box sash windows.
A sash window is a window that slides vertically and that has a counter-weighted mechanism that facilitates the sliding. The very first vertical window designs are believed to have been introduced in the 1600s in France, however, the counter-weighted mechanism is a development that has been attributed to the British. The major benefit of this design at the time of its inception was an increased ability to increase and control indoor ventilation. This was possible given that the bottom and top sash frames had the ability to move independently of one another.
Although people appreciated this functionality of these early window designs, there were some aspects of these products that served as serious fire hazards in certain situations. This will the case when the window frame was too close to the outside portion of the wall. As such, legislation introduced in Westminster and London during the 1700s declare that window frames and door frames could not sit any closer than nine inches to the wall. As such, the sash window invariably evolved. This legislation meant that a large majority of decorative frames were ultimately hidden by an exterior wall. Within two decades, however, the amended build was all the rage.
During the early years of this look, native oak was commonly used to fashion the glazing bars. These supports were sufficiently large and strong for protecting the fragile glass at the interior. Stronger panes of glass were introduced during the mid-1800s that were much thicker and surprisingly less costly. Once these thicker panes hit the mark, oak glazing bars became unnecessary. However, heavier window panes necessitated the use of the sash horns that are currently used for upper frame support.
In the 1800s, the aesthetics and overall construct of properties were greatly affected by the revival of the Queen Anne style. During this time, most property owners were interested in having smaller panes of glass in their windows. This transition was especially common for the upper sash. Sadly, this design would become unpopular throughout the early and mid-1900s. Moreover, many property owners believed that the counter-weighted mechanism that these structures include was simply too costly and too complex to manufacture.
Today, some people are eager to invest in the classic, timeless look that these units provide. This is especially true among property investors who are renovating or restoring old homes. If the sash window was a part of the original design, it is likely that modern owners will want to recreate this look. Due to this fact, there are still countless companies who design, repair and manufacture these units and their included, counter-weighted systems. Although they are still costly to produce, the aesthetic and functional benefits of these projects make them well worthwhile.
It is important to note that simple window styles are making their mark in the construction industry all throughout the world. Homeowners can now invest in a vast range of sleek, vinyl window styles in lieu or more expensive and difficult to maintain sash window styles. During major construction projects, such as the development of a large residential subdivision, developers are more likely to work with companies that stock vinyl than those that do not.
This is simply the most effective strategy for controlling construction costs.
There are certainly other benefits that vinyl windows can provide. For instance, these can have in-built filtration systems for ensuring that all outdoor air entering the property is relatively free of dirt, dust, dander and other common allergens. They can also have special coatings for blocking out harmful UV rays. Moreover, homeowners who invest in these designs can additionally opt for double, triple and even quadruple pane glass. These upgrades significantly increase the overall efficiency of these units and make it much easier to maintain ambient temperatures indoors. Nonetheless, the beauty of sash window designs is incredibly enduring and thus, discerning property owners throughout the world are still requesting these intricate, weighted systems in favor of standard, run-of-the-mill, vinyl designs.
For more interesting information and facts regarding sash windows please click here You will also find useful information at our sash window history page here
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