Sash Timber Windows logoSash Timber Windows
Built to Last

Premium Sash Timber Window & Door Installation Across South-West London

Looking to upgrade your period property without compromising its original character? Our experienced team specialises in the installation of high-quality timber windows and doors that seamlessly blend traditional craftsmanship with modern performance.

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FENSA Registered, CHAS Accredited, 10-Year Guarantee, SW London Specialists, Customer Trust & Satisfaction

FENSA registered and CHAS accredited, with a 10-year guarantee on complete window and door installations.

How It Works

Our Process

From initial survey to final certification, we ensure a seamless experience.

Survey

We visit your property to measure and assess the existing frames.

Design & Quotation

You receive a detailed, no-obligation quotation with exact specifications.

Bespoke Manufacture

Your windows are crafted in our workshop using sustainable timber.

Installation

Our FENSA-registered team fits your new windows with minimal disruption.

Certificate

Your FENSA certificate and 10-year guarantee, for complete peace of mind.

See the Difference

Slide to compare a tired Victorian bay window with our pristine, exact-match timber replacements.

Completed white timber sash bay window replacementOriginal tired bay window before timber sash replacement
Before
After

Made to Matter.

We specialise in the exact-match replication of historic timber sash windows, casements, and bespoke front doors. Upgrading your home's thermal performance without sacrificing its heritage.

White period bay sash window installation in South West London

Sash Windows

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White timber front door with teal stained glass panels

Front Doors

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View All Services

From bespoke sash windows to heritage listed building works.

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Victorian property with traditional timber sash windows
Conservation Specialists

Preserving London's Architectural Heritage

Working on listed buildings and within conservation areas requires specialist knowledge. We liaise with local planning authorities to ensure our timber windows meet exact historical specifications while delivering modern thermal efficiency.

  • Exact match mouldings and profiles
  • Slimline double glazing approved for conservation
  • Traditional joinery techniques
15+
Years Experience
5000+
Windows Installed
12
SW Boroughs Covered
10
Year Guarantee

Local South West London Specialists

We are proud to serve South-West London, bringing our expertise to Victorian and Edwardian homes across the region.

Clapham
Battersea
Wandsworth
Putney
Wimbledon
Fulham
Richmond
Kingston
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What Our Clients Say

Don't just take our word for it. Read from our satisfied customers across South-West London.

★★★★★
Google★★★★★
"
★★★★★

"Absolutely thrilled with our new sash windows. The team matched our original Victorian frames perfectly, and the house is so much warmer now."

Sarah M.
Wandsworth
"
★★★★★

"Professional from start to finish. The installation was quick, clean, and the craftsmanship is outstanding. Highly recommended."

James T.
Clapham
"
★★★★★

"They managed the whole conservation area process for us. The final result is beautiful and completely respects the character of our home."

Eleanor P.
Richmond

Our Recent Work

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New-build home with timber doors and windows installed
Navy timber front door with arched fanlight and stone portico
Victorian red-brick home with new timber sash bay windows

Frequently Asked Questions

Ready to upgrade your home?

Get an instant online estimate or book a free survey with our South West London specialists.

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