Timber Box Sash Windows
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Accoya® Wood, Sapele Hardwood, Redwood Pine timbers available.
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Planitherm high performance double-glazing systems with improved acoustic sound insulation.
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High performance protective spray paint coatings designed for exterior products for long lasting sustainability.
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Traditional window furniture and window security.
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Reducing environmental impact using sustainable timber products and high-performance glazing technics.
Customer Reviews




10/10 Checkatrade Score
Replacing single glazed sash windows to double glazed through edwardian house.
Location: London W4
We are thrilled with our new double glazed sash windows and wouldn’t hesitate to recommend Dominic. We were replacing single glazed sash with double glazed and he fitted them all very quickly whilst restoring and painting the frames. The work was carried out very quickly and he was incredibly clean and tidy. What I thought would be a very messy and disruptive job was quite the opposite. Thank you again!

10/10 Checkatrade Score
Excellent replacement of 4 sash windows!
Location: London W5
Dominic and his team were incredibly professional, and we couldn’t have made a better choice of who to choose to replace our wooden sash windows! We did a lot of research beforehand and spoke to a lot of companies, but Acton Green Sash were the most honest, responsive and professional of the lot. The team were clean, respectful and professional while installing the windows which are of great quality and we are thrilled with. Wouldn’t hesitate to recommend Acton Green Sash!

10/10 Checkatrade Score
New custom made sash windows fitted.
Location: London W3
Dominic was brilliant. Good quote and very happy with the quality of the windows and the fitting. The detailing on the window arches is superb. Great communication throughout. I wouldn’t hesitate to recommend.

9.5/10 Checkatrade Score
Replacement Sash windows throughout the house.
Location: London W6
Excellent work, Dominic and his colleague are a pleasure to work with. Different options well explained and no hard-selling. Initially asked for the replacement of 3 windows and as very happy with the work asked for another 2. Highly recommended.

9.75/10 Checkatrade Score
Replacement Sash windows throughout the house.
Location: London NW7
Dominic and team were great. Helpful and responsive. Windows are beautifully made. You usually find out how good a company really is when there is a problem to resolve... true colors are generally shown. We found a scratch to a small pane of glass the day after installation was complete. Dominic didn't hesitate.. .he had a complete new sash made and installed within a week without any issue at all. Now that is how it should be done. Excellent service. Highly recommended.

10/10 Checkatrade Score
Six wooden sash windoes replaced + two simple nes in a Conservation Area.
Location: London W3
We were delighted with the careful management of this project from beginning to end. Dominic Sutton's experienced awareness of the importance of how the windows would look decided us in favour of his company at the outset. The work was carried out diligently and efficiently by incredible considerate workmen who invariably cleaned up at the end of each day. And the end result is beautiful windows, so beautiful, we have thrown away the net curtains. Not only would I recommend Acton Green Sash to other people, I already have, three times.