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Lewisham, with its dynamic blend of historical and modern architecture, is home to many properties featuring traditional sash windows that contribute significantly to the borough’s character. These windows are an important aspect of Lewisham’s architectural heritage, adding elegance and charm to local homes. Our team specialises in the repair and restoration of sash windows, addressing common issues such as draughts, rattles, and broken mechanisms with expert precision. We start with a detailed inspection to assess the condition of your windows, followed by a customised repair plan designed to restore them to their optimal state. For properties requiring more extensive work, we offer comprehensive restoration services that include replacing damaged components with accurate replicas to preserve the historical integrity of your sash windows. Additionally, our draught-proofing solutions are crafted to enhance your home’s energy efficiency and comfort, all while maintaining the traditional aesthetic of your windows. Entrust us with your sash window needs to maintain the distinctive beauty and functionality of your Lewisham home, ensuring it remains both charming and efficient.
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.
Lewisham is one of South East London’s most diverse and historically rich boroughs, combining elegant Victorian terraces, Georgian villas and modern developments with a strong sense of community. From the conservation areas around Blackheath and Ladywell to the residential streets of Hither Green and Catford, the area showcases architecture that ranges from ornate period homes to characterful cottages. Many of these properties still feature their original sash windows, wooden doors and handcrafted joinery that contribute to their timeless beauty. Over the years, however, London’s weather, pollution and natural ageing can take their toll on timber. At Traditional Sash Windows and Carpentry, we specialise in restoring and crafting joinery that enhances the aesthetic and performance of Lewisham’s homes while preserving their original design.
The sash windows of Lewisham’s period homes are among their most recognisable features. They add symmetry, elegance and light, and often form the centrepiece of a property’s façade. However, decades of use can cause wear: cords may snap, paint can thicken, and timber may start to soften or rot. Our sash window restoration process begins with a full inspection to identify exactly what each window needs. Wherever possible, we retain the original joinery, replacing only damaged sections with sustainable hardwood precisely matched to existing mouldings. We fit new sash cords, clean pulleys and rebalance the counterweights to restore smooth movement and full functionality. The result is a perfectly operating sash window that maintains its period detailing while performing to modern standards of comfort and durability.
Many homes across Lewisham were built before the introduction of modern insulation methods, and as a result, they can experience draughts and heat loss. Our draught proofing service offers a discreet and effective upgrade that makes a noticeable difference to warmth and soundproofing. Slim brush seals are installed within the frame to reduce air leaks, prevent rattling and improve energy retention, all while leaving the external appearance unchanged. The improvement is immediate, with rooms becoming warmer, quieter and more comfortable throughout the year.
For homes situated near busy roads such as Lewisham Way or Lee High Road, secondary glazing is an excellent option for improving soundproofing and insulation. Installed internally, it preserves the external appearance of the original window, making it perfect for conservation area properties or homes with historic character.
For those seeking a more integrated solution, our slimline double glazed sash windows combine the authenticity of traditional joinery with the benefits of modern technology. Each window is handcrafted to replicate the proportions, glazing bar layouts and profiles of period designs while using energy efficient glass. This ensures the home remains visually consistent with its surroundings while gaining the benefits of warmth and reduced condensation.
A wooden door forms the first impression of any home, and Lewisham’s streets are filled with striking examples, from Georgian panelled doors with fanlights to colourful Victorian entrances with stained glass. At Traditional Sash Windows and Carpentry, we design and build bespoke wooden doors that complement each property’s age, character and layout. Every door is made using mortise and tenon joinery, providing exceptional strength and longevity. We use Accoya and Red Grandis, sustainable hardwoods that resist movement, swelling and decay. Each door is finished with breathable protective coatings that allow natural timber movement while protecting against London’s changing weather. For homeowners wishing to preserve original doors, our door restoration service offers timber repair, rebalancing and refinishing to revive both beauty and performance.
Lewisham’s homes, from grand Victorian houses to smaller terraces and new builds, benefit from well designed storage and custom features. Our bespoke interior joinery service includes fitted wardrobes, window seats, alcove shelving, kitchen cabinetry and bookcases, all made to measure. Each piece is handcrafted from sustainable hardwood and designed to complement the home’s style. Whether you are enhancing a traditional living room or adding character to a modern renovation, our craftsmanship combines practicality with timeless design.
We work with a repair before replacement philosophy to preserve the original materials and reduce waste. When new joinery is required, we use responsibly sourced Accoya and Red Grandis, both renowned for their long life and environmental sustainability. Every piece of joinery is finished with breathable, eco friendly coatings that protect against the elements while allowing the timber to move naturally with the seasons. This sustainable approach ensures that your joinery is both environmentally conscious and built to last.
Lewisham’s varied landscape includes clay soil, riverside areas and higher ground, all of which can influence how buildings shift and settle over time. These small movements can affect the fit and performance of timber joinery. We account for this in every restoration and installation, ensuring that sash windows and wooden doors are properly balanced and adjusted to accommodate structural movement. This attention to detail guarantees smooth operation and reliable performance all year round.
Lewisham’s appeal lies in its mixture of architectural styles, from Victorian terraces and Edwardian villas to Georgian townhouses and post war homes. When restoring or creating sash windows, wooden doors or exterior joinery, we replicate original mouldings, proportions and glazing bar designs to ensure historical accuracy. Our goal is to enhance comfort and performance while preserving the architectural harmony that makes Lewisham such a distinctive and desirable part of London.
If your home in Lewisham has sash windows, wooden doors or bespoke joinery in need of expert restoration, repair or sympathetic upgrading, our experienced team would be delighted to help. We combine traditional joinery craftsmanship with sustainable materials and precision workmanship to deliver outstanding, long lasting results.
Enhance your Lewisham home with beautifully 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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