Victorian terraced property in South West London fitted with bespoke timber sash windows and slimline double glazing
Local South London Specialists

Bespoke Timber Sash Window Installation in City of Westminster

Eden Sash Windows, directed by Charlie Burgess, provides specialist bespoke timber sash window installation for period properties across the City of Westminster. We understand the specific architectural requirements of Westminster homes, from Georgian townhouses to Victorian mansion flats. Our work focuses on manufacturing and installing new sash units that respect the original design of your property while delivering the benefits of modern performance, ensuring that your home remains both historically accurate and comfortable.

Get An Estimate

Complete the form below for a free quote.

No Obligation • 100% Free Survey
Heritage Joinery Standards

Bespoke Timber Sash Windows Crafted For Westminster Homes.

Bespoke timber sash window with two-over-two glazing bars and chrome sash lifts installed in a period bathroom
FENSA Registered & Certified Bespoke box frames, double glazing, and a 10-year guarantee.
01

Replicating Authentic Heritage Sightlines in Westminster

Our new sash windows are crafted to replicate the authentic sightlines and moulding profiles found in historic Westminster buildings. We avoid the heavy, clumsy aesthetic of modern replacements, instead using timber profiles that maintain the delicate appearance of original sashes. By integrating A-rated double glazing, we provide significant improvements in thermal efficiency and noise reduction without the thick timber beads that typically compromise the heritage character of period homes.

02

Technical Precision for Conservation and Listed Properties

Working in conservation areas or on listed buildings in Westminster requires a careful approach to planning and joinery. Our installations are designed to meet strict conservation demands, ensuring compliance with local planning authority expectations. We take precise measurements to ensure each new window fits perfectly into your existing brick reveals, preserving the exterior character of your property while upgrading the functional performance of your windows.

03

Do I need FENSA certification for my window replacement?

When you choose a professional installation, FENSA registration is essential for regulatory compliance. As a FENSA-registered specialist, we manage the certification process for every replacement project, giving you peace of mind that your home meets current building regulations. Every new bespoke timber window we install is backed by a comprehensive 10-year guarantee, reflecting our commitment to using seasoned, high-quality timber and traditional hardware.

04

Expert Sash Window Services for City of Westminster Homeowners

We manage the entire process from our initial physical assessment of your frames and counterweights to the final installation. Our team prioritises clean, methodical work practices to respect your home during the installation process. If you are considering a full house upgrade or need a sympathetic replacement for a damaged unit, we offer transparent, fixed written quotations after a detailed site survey. Contact Charlie Burgess at 020 7046 0157 to book your survey and discuss your project today.

Specialist Joinery Standards

Why Choose Eden Sash Windows?

Led by Director Charlie Burgess from our Battersea workshop, we craft and install bespoke timber sash windows engineered for Westminster and South West London period homes.

Authentic Heritage Sightlines

Every sash is individually manufactured to reproduce original Georgian and Victorian proportions, slender meeting rails, and traditional horns to satisfy strict Westminster conservation requirements.

FENSA Certified & Guaranteed

FENSA-registered installation ensuring full Building Regulations compliance, supported by £2m public liability insurance and a comprehensive 10-year guarantee on all new timber joinery.

A-rated double glazing

High-performance double-glazed units using low-E glass, argon gas filling, and warm-edge spacers, delivering exceptional thermal efficiency and acoustic reduction along busy London roads.

Fixed, Transparent Proposals

Detailed physical surveys followed by a written quotations. We provide clear joinery specifications with no high-pressure sales tactics or hidden costs.

Bespoke timber sash bay windows with historic glazing bar detailing installed in a Victorian brick facade
Call Now for a Free Quote

Sash window installation Services Across South London: 020 7046 0157

Local Reputation

Client Feedback on Our Timber Sash Joinery

Read genuine homeowner experiences across Battersea, Wandsworth, Clapham, and South West London. Charlie Burgess oversees every timber sash restoration, draught-proofing project, and bespoke FENSA-certified installation to ensure historical fidelity and thermal performance.

Verified Client

"Charlie replaced some of the wooden frames in our porch which were rotten. He did an excellent job and we are extremely happy with the result. He ands his apprentice were very friendly polite and tidy. It was difficult conditions as it was raining but they were great. Would definitely recommend"

Jane Scoon

Google Verified Review
Verified Client

"We are very happy with Eden Joinery's work: we had a completely new sash fitted, and four sashes fitted into our existing frames. Our windows look fantastic - and no more draughts! Terry and son were courteous, tidy, with competitive rates, and took obvious pride in their work. They went the extra mile to fix a problem with one of our frames, and all windows were finished to a high standard. We would not hesitate to recommend them."

Julie Clayton

Google Verified Review
Verified Client

"Terry and his team did a great job fitting two new sash windows in our house. The windows and work done was all to a high standard, on time and reasonably priced."

Angela Sherratt

Google Verified Review
Joinery & Conservation Guidance

Bespoke Timber Sash Window Installation FAQs

Clear architectural guidance from Charlie Burgess on bespoke timber sash window installation, double glazing, FENSA compliance, and conservation standards across South London.

Do I need planning permission to replace my sash windows in a conservation area?

+

If you are carrying out like-for-like timber repairs, you usually do not need formal planning permission. However, if you plan to change from single glazing to double glazing in an Article 4 conservation area or a listed building, you will likely need consent. Charlie Burgess can advise on local planning trends in Wandsworth, Richmond, and Lambeth to help your project stay compliant.

How does your draught-proofing system work?

+

Our system involves machining hidden brush seals into the new parting and staff beads. We also install seals along the meeting rails where the two sashes join. These seals close the gaps that let in cold air and dust, but they are completely invisible when the window is closed, meaning your window’s authentic profile is never compromised.

Can you double-glaze my existing original sash boxes?

+

Yes, we often perform sash double-glazing upgrades. If your existing box frames are in good condition, we can manufacture new timber sashes fitted with argon-filled double glazing and install them into your original frames. This saves you the cost of a full replacement while providing the thermal benefits of modern glass.

What happens if my sash cord snaps?

+

A snapped cord can make a window dangerous or impossible to open. We replace old cords with heavy-duty, wax-impregnated cotton cords. During this process, we also open the pocket pieces to check your lead or iron counterweights, ensuring the sash is perfectly rebalanced for a smooth, easy glide.

What is covered by your 10-year guarantee?

+

All our new bespoke timber window installations come with a comprehensive 10-year guarantee. This covers the integrity of the timber joinery and the performance of the double-glazed units. Because we are FENSA registered, you also have the assurance that the installation meets all professional trade standards.

Can you fix sills that have rotted right through?

+

Absolutely. Rot usually starts at the sill because that is where water sits. We use a method called splicing, where we remove the soft, decayed wood and rebuild the sill using durable timber. Once primed and sealed, the repair is seamless and prevents future water ingress from reaching the internal structure of your home.

How quickly can you attend an emergency broken sash?

+

We offer same-day emergency call-outs for broken glass, dropped sashes, or snapped cords across South West London and Surrey. This service is available from Monday to Saturday, 08:00 to 18:00. We will secure and weatherproof your window immediately, with permanent joinery work scheduled shortly after.

What should I expect during the initial survey?

+

Charlie Burgess will visit your property to carry out a physical assessment of your frames, sills, weights, and glass. He will look for structural issues and take precise measurements. Following this, you will receive a clear, fixed written quotation so you know exactly what the work entails before any timber is cut.

Still have questions? Speak directly with our South London Sash window installation team today.

Call Our Team
Service Territory

Specialist Timber Sash Window Services Across South West London & Surrey

Based in Battersea (SW8), Director Charlie Burgess delivers bespoke timber sash window installation, heritage restoration, draught-proofing, and double glazing within a 15-mile radius across South West London and Surrey.

Key Local Catchment Areas

Battersea & Wandsworth

  • SW8 & SW11: Battersea Park, Shaftesbury Estate
  • SW4 & SW12: Clapham Common, Balham, Nightingale
  • SW18: Wandsworth Town, Southfields, Earlsfield
  • SW17: Tooting Bec, Tooting Broadway, Furzedown
  • SW15: Putney, Roehampton, Putney Heath
  • + All Wandsworth Article 4 conservation zones

Lambeth, Richmond & Surrey

  • Lambeth: Kennington, Stockwell & Brixton
  • Richmond: Richmond Green, Kew & Twickenham
  • Merton: Wimbledon Village, Raynes Park
  • Kingston: Surbiton, Coombe & New Malden
  • Surrey: Esher, Thames Ditton, Long Ditton
  • + All areas within 15 miles of SW8 base

Heritage Joinery Standards

  • Authentic Victorian & Georgian sightlines
  • A-rated double-glazed units
  • Concealed perimeter draught-proofing
  • Durable sill splicing & box frame restoration
  • FENSA registered with a 10-year guarantee
Detailed Sash Survey

Book with Charlie Burgess

Arrange a comprehensive inspection written quotation for sash repair, restoration, or bespoke installation.

Call: +442070460157

Working cleanly within Controlled Parking Zones and conservation areas across South West London and Surrey. For emergency sash repairs or broken glass, call 020 7046 0157 (Mon–Sat, 08:00–18:00).

Interactive Coverage Map

City Of Westminster

Get a Free Quote Today!
Call or Email Our City Of Westminster Team