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Merton is known for its blend of historical charm and modern living, where many properties feature classic sash windows that significantly contribute to the borough’s aesthetic appeal. These traditional windows are a hallmark of Merton’s architectural heritage, adding character and elegance to its homes. Our team of specialists excels in the repair and restoration of sash windows, meticulously addressing issues such as draughts, rattles, and damaged cords. We begin with a comprehensive inspection to identify any problems, followed by a bespoke repair plan designed to restore your windows to their optimal condition. For more extensive work, we offer detailed restoration services, including replacing worn or damaged components with accurate replicas to ensure historical authenticity is preserved. Additionally, our draught-proofing solutions are tailored to enhance your home’s energy efficiency and comfort, all while maintaining the traditional appearance of your sash windows. Trust us to uphold the distinctive charm and functionality of your sash windows, ensuring your Merton home remains as elegant and efficient as ever.
We pride ourselves on offering free, expert advice to all our clients, including those with properties in conservation areas and Grade I listed buildings. We understand that working on heritage homes requires careful consideration and informed decisions. You can trust us to provide honest, knowledgeable guidance with no obligation
We are proud to operate a local workshop. Being local allows us to maintain strict quality control of our sash windows, offer personalised service, and ensure timely completion of work. It also means we are easily accessible for consultations and support, providing our clients with the confidence that they are working with a nearby team dedicated to their satisfaction.
Merton is one of South West London’s most diverse and historically rich boroughs, combining the traditional charm of Wimbledon Village with the characterful streets of Merton Park, Colliers Wood and South Wimbledon. From elegant Victorian and Edwardian terraces to Georgian farmhouses and 1930s family homes, the area’s architecture tells a story of craftsmanship and care. Many of these properties retain their original sash windows, wooden doors and fine joinery, which give each street its timeless appeal. Over time, however, London’s weather, pollution and everyday wear can cause timber to weaken, paint to deteriorate and movement to become restricted. At Traditional Sash Windows and Carpentry, we restore and create bespoke joinery that respects Merton’s heritage while offering the performance and reliability modern homeowners expect.
Sash windows are a defining element of Merton’s period homes, from tall Georgian designs with fine glazing bars to wider Edwardian sashes and curved bay windows. As these features age, cords may fray, joints loosen or frames distort slightly with seasonal movement. Our sash window restoration service starts with a detailed inspection of every window. We aim to retain as much of the original material as possible, only replacing what is beyond repair. Replacement sections are crafted from sustainable hardwood, shaped precisely to match the existing mouldings. We install new cords, service pulleys and rebalance the weights to ensure smooth operation. Once complete, the window retains its historic character while performing beautifully for decades to come.
Older homes in Merton often experience unwanted draughts, especially around bay windows or larger sash frames. Our draught proofing system offers a simple yet transformative solution. We install slim brush seals discreetly within the frame to reduce heat loss and stop rattling without altering the window’s appearance. This subtle improvement helps homeowners maintain period authenticity while enjoying better warmth, quieter rooms and improved energy efficiency throughout the year.
With Merton’s mixture of busy roads, open parks and suburban tranquillity, noise and insulation needs vary from home to home. Secondary glazing provides an excellent solution for properties that wish to retain their original sash windows while improving warmth and sound reduction. It is installed internally and is nearly invisible from outside, making it ideal for conservation area homes in Merton Park or Wimbledon.
For homeowners who prefer fully integrated performance upgrades, we also offer slimline double glazed sash windows. These are built to the same proportions as traditional sashes but incorporate modern energy efficient glass, providing better insulation and condensation control while maintaining the classic look of timber windows.
A wooden door plays an important role in both the aesthetic and function of a home. Across Merton, you’ll find everything from decorative Edwardian front doors with stained glass panels to simple, elegant Georgian designs and French doors opening to gardens. At Traditional Sash Windows and Carpentry, we design and build bespoke wooden doors that reflect the property’s architecture and the homeowner’s taste. Every door is made using mortise and tenon joinery for strength and stability. We use high quality timbers such as Accoya and Red Grandis, which resist warping, shrinking and decay even in the changing London climate. Each door is finished with breathable protective coatings that allow natural timber movement while keeping it protected for years to come. We also carry out door restoration, repairing existing doors, replacing damaged sections and refinishing to restore their beauty and integrity.
Homes in Merton often feature bay windows, chimney alcoves and extensions that benefit from custom storage or fitted furniture. Our bespoke interior joinery service provides tailored solutions such as fitted wardrobes, window seats, alcove shelving, bookcases, kitchen cabinetry and storage benches. Each piece is handmade to fit the space perfectly and designed to complement the property’s character. Whether you live in a Victorian terrace in South Wimbledon or a modern conversion in Colliers Wood, our joinery enhances both function and style with timeless craftsmanship.
We follow a repair before replacement approach wherever possible, preserving the original joinery to maintain the property’s authenticity and reduce waste. When replacement is needed, we use sustainably sourced Accoya and Red Grandis, chosen for their stability, strength and longevity. Our finishing process uses breathable, eco friendly coatings that protect the surface while allowing natural flexibility. This careful combination of traditional joinery methods and sustainable materials ensures long lasting results and minimal maintenance.
Merton’s buildings sit on a mix of clay and gravel soils that can shift subtly with changes in moisture levels. This natural movement can affect how windows and doors operate over time. Our approach accounts for these conditions, ensuring that all sash windows and wooden doors we restore or install are built to accommodate gentle seasonal movement. This attention to detail guarantees smooth operation, reduced strain on joints and long term durability.
From the conservation streets of Merton Park to the tree lined roads of Wimbledon and the evolving skyline near Colliers Wood, Merton’s charm lies in its architectural diversity. When restoring or crafting sash windows, wooden doors or exterior joinery, we match original profiles, glazing bar layouts and frame proportions so that every project fits naturally within the local streetscape. Our goal is to enhance comfort and performance without compromising the historical or aesthetic identity of the area.
If your home in Merton has sash windows, wooden doors or bespoke joinery that would benefit from skilled restoration or sympathetic upgrading, we would be pleased to assist. Our work combines traditional techniques with sustainable materials for results that endure beautifully.
Enhance your Merton home with expertly restored sash windows, bespoke wooden doors and handcrafted joinery designed to last. Contact Traditional Sash Windows and Carpentry today to arrange your free consultation.
We repair, restore and replace traditional timber windows and doors across Kent and London. Our work includes sash window overhauls and draught proofing, timber resin repairs, replacement sashes, new box sash windows, casement window repairs, secondary glazing, double glazed sash windows, wooden door repairs, replacement doors and bespoke joinery.
Where possible, we always aim to repair and retain original timber windows. Many older sash windows can be brought back into good working order with careful timber repairs, replacement sections, new cords, pulleys, beads, glazing repairs and draught proofing. Full replacement is usually recommended only where the existing frame or sashes are beyond economical repair, or where a customer would benefit more from entirely new joinery.
Yes. Our sash window overhaul and draught proofing service is designed to reduce rattling, draughts and heat loss while preserving the character of traditional windows. We can also discuss slimline double glazing, standard double glazing where suitable, secondary glazing and Fineo vacuum glazing, depending on the building, existing joinery and planning requirements.
Yes. We regularly work on period homes, listed buildings and properties within conservation areas. Our approach focuses on retaining as much original timber and architectural detail as possible, using traditional joinery methods alongside modern repair materials where appropriate. We can produce like for like replacement components, including mouldings, glazing bars, curved heads and bespoke sash profiles.
The right timber depends on the property, design and budget. We commonly use Accoya, Sapele and European Oak, along with other suitable hardwoods and softwoods where required. Accoya is a popular choice for painted external joinery because it is highly stable and durable, while Sapele and Oak can be well suited to particular repairs, doors and specialist joinery details.
Our repairs and new joinery are supplied properly prepared and undercoated where required, ready for final decoration. We do not generally provide the final painting service, as this is best completed by a dedicated decorator once the timber has fully settled and any surrounding finishes have been prepared. We will always explain what stage the joinery will be left at before work begins.
We offer surveys and quotations for suitable projects across Kent and London. During the visit, we assess the condition of the windows, doors or joinery, discuss the options available and explain the likely repair or replacement work involved. For some smaller jobs, clear photographs and measurements may be enough for us to provide an initial estimate before arranging a site visit.
This depends on the number of windows, their condition and the level of repair needed. A straightforward overhaul and draught proofing job can often be completed in a day, while larger restoration projects, replacement sashes or full house installations may take longer. We will provide a clear programme before work starts so you know what to expect.
Yes. Traditional Sash Windows and Carpentry is fully insured and CERTASS certified, giving customers added confidence that their project is being completed by an experienced and properly accredited team. CERTASS certification allows us to self certify qualifying replacement window and door installations, helping ensure the work meets current Building Regulations requirements without the need for the customer to arrange separate Building Control approval. Once the installation is complete, the relevant certification can be provided for applicable work.We also hold appropriate public liability insurance for the work we carry out, including sash window repairs, replacement timber windows, wooden doors, glazing and bespoke joinery.
Yes. We supply and fit bespoke secondary glazing for sash windows, casement windows and other traditional timber windows throughout Kent and London. It is a practical way to improve warmth, reduce outside noise and limit draughts without removing or altering the original joinery.Secondary glazing is fitted internally, creating an additional barrier behind the existing window. This makes it especially useful for period homes, listed buildings and conservation areas where replacing original windows may not be appropriate. We can advise on discreet systems that suit the style, layout and day to day use of your windows, including horizontal sliding, vertical sliding, hinged and fixed options where suitable.
Traditional Sash Windows and Carpentry works throughout the whole of Kent and London, including Ramsgate, Broadstairs, Margate, Canterbury, Whitstable, Herne Bay, Deal, Sandwich, Dover, Folkestone, Maidstone, Tonbridge and surrounding areas. We also take on selected projects further afield where the scope of work is suitable.
Last updated 2026-03-03
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