From 2020 to 2025, we carried out 2,648 installations in London from a single window to 144 replacement windows. In 2025 alone, we fitted 1,260 windows and doors carrying out installations in every London borough. Here are a selection of case studies of replacement sash windows and doors in London.
We have included below a selection of the works that we have carried out. If you would like to see any of our work in person, please contact us and we will be happy to arrange for you to visit one of our previous customers.
Sash Replacement in Existing Box Frames, Prince of Wales Drive, Battersea, SW11 Job Value: £30,000 – £32,000 ex. VAT. Completed in October 2026 Survey Our client was looking for advice on sash window replacement and other ways to improve the function, aesthetics and thermal efficiency of her windows. Our client initially contacted us in April…
Replacement sash windows to a house in Clapham, SW4 Job Value – £21,000 – £22,000. Completed in May 2026 We were contacted by this client in early November 2025 as she was looking to undertake a full renovation of her property in Netherford Road in Clapham, which includes sash window replacement. Our client was keen…
Job value: £7,000 – £8,000 These replacement timber sash windows have a detailed, intricate glazing bar design which is incredible difficult to manufacture. We were first asked to do this design for a customer on Dalebury Road, and we therefore now call this design of window a Dalebury design. The original windows in this customer’s…
Job value: £8,000 – £9,000 The installation of these two replacement timber sash windows was particularly tricky. The property is a third floor rear flat, and the windows are double combination frames. Getting these frames up the narrow twisting stairs and into position was not easy, but our highly skilled installation team managed to get…
Job value: £10,000-£11,000 Sash windows with this interesting an intricate design are quite common in the period properties around Tooting Common. We were first asked to manufacture sash windows like these for a customer on Dalebury Road, Tooting in 2015. Since then, we have always referred to this beautiful (yet complex) design as a “Dalebury…
Job value: £5,000 We were asked to quote for two replacement casement windows to a large Victorian property near Stamford Hill station. The original windows were timber and single glazed, the windows were not functioning correctly, and could not be easily opened. We replaced both casement windows with new, which included toughened double glazing, with…
Replacement timber French doors – Tooting Bec, SW17. Job value: £10,000-£12,000 Overview We carried out this job for Ms H who lives a 5 minute walk away from Tooting Common. At the back of her property she had an extremely large set of French doors and sidelights which had fallen into disrepair and were starting…
Replacement sash windows – Brockley, SE4. Job value: £11,000 – £12,000 Eddystone Road is a small road a walk away from Crofton Park station and we were asked by our client to fit replacement sash windows. We were pleased to undertake this transformative job. As you can see from the photos taken before the work…
Replacement sash windows with acoustic glass – Putney, SW15. Job value: £8,000-£9,000 Overview Putney Bridge Road is one of the busiest in South West London, running alongside the River Thames and linking the South Circular to Putney Bridge. In addition to this heavy flow of traffic Mr M’s property backs right onto a railway line….
Replacement windows with vacuum insulated glazing – Richmond TW10. Job value: £12,500 – £17,500 Overview Mr C’s property is located within St Matthias Richmond conservation area in the borough of Richmond upon Thames. The client took advantage of our bespoke planning service. Wandsworth Sash Windows offers a service whereby we can organise and manage a…