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T: 020 8150 7153
E: info@LSWD.co.uk

Specialists in sash window and door renovation, refurbishment and draught proofing

We put a stop to draughts, poor thermal performance and
unsatisfactory operation when it comes to your hinged casement
windows, hinged windows and sliding sashes. Our team works
tirelessly throughout London: supplying all areas from Hampstead
to Holloway and Westminster with draughtproof windows.

Effortlessly restoring your traditional windows and doors

Sliding sash windows, hinged casement windows and doors all have a 2mm – 4mm gap around them, which allows them to operate and to move, as required.

If left unsealed, this gap will result in draughts, rattling frames and dirt ingress. None of which are desired traits when it comes to your new windows and doors! Thankfully, we have the perfect solution for sash window draught proofing.

We use only the UK’s no. 1 sash window draught-proofing system

The system, which comes courtesy of leading manufacturer, Draftfix Limited, gives your windows and doors the power to easily ward off draughts, dirt ingress and noise pollution.

 The specialist, high performance system has been tested to conform to the highest possible standards – from draught proofing doors to draught proofing windows, we’ve got you covered.

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All round Superb

" I used London Sash Windows and Doors to replace some old timber sash windows. They were superb to deal with, from start to finish. The initial meeting was very efficient. They explained to me that it was not necessary to replace the complete window box, which led to a significant cost saving. The team that arrived on the day were friendly, got the job done swiftly and left my flat cleaner than when they arrived. The windows have substantially reduced noise, the flat is much warmer and my condensation issues are fixed. I wouldn't hesitate to recommend London Sash Windows and Doors to anyone."

Quality Installation

" I used London Sash Windows and Doors to replace some old timber sash windows. They were superb to deal with, from start to finish. The initial meeting was very efficient. They explained to me that it was not necessary to replace the complete window box, which led to a significant cost saving. The team that arrived on the day were friendly, got the job done swiftly and left my flat cleaner than when they arrived. The windows have substantially reduced noise, the flat is much warmer and my condensation issues are fixed. I wouldn't hesitate to recommend London Sash Windows and Doors to anyone."

Complete renovation and restoration works for your sashes, hinged casement windows and hinged doors…

Sliding sash windows
A complete service that includes fixing defective pulley wheels, realigning the top and bottom sash, fitting staff beads, sealant, parting beads and single pile carriers, as well as any ironmongery required.

Hinged casement windows
Includes top hung, side hung, bottom hung, horizontally or vertically pivoting, and French double-opening casements. The work involves brush carrier installation, casement reinstallation and any ironmongery required.

Hinged doors
Includes single side hung, double side hung, French double doors and stable doors. The work involves plaining the sides, stiles, and top and bottom rails to suit the existing frame, installing the brush carrier to suit the gap around the casement, and reinstalling the door on either the new or existing hinges. All required ironmongery installed.

Prices from

Overhaul and draughtproofing of a sash window (includes our high-quality ironmongery package):
Approximately £500 incl. VAT per window for an average-sized window

Don’t leave your heritage windows and doors to deteriorate over time. Contact London Sash Windows & Doors on