The Sash Window Workshop Trading
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The Sash Window Workshop Trading
Established in 1994, The Sash Window Workshop is a premium manufacturer and installer of traditional wooden windows and doors in London and the South of England. We also offer a supply only service across Great Britain and a draught proofing service for wooden windows in London and the South.

We understand the importance of providing a high quality product and service, reflected by the fact that over half our orders come from previous customers or recommendations.We are also proud to be a Which? Operating out of our factory in Berkshire, we manufacture and install complete new sash windows, wooden casement windows, external French doors, timber Front doors, Stable doors, Sliding doors and Bi-fold doors.

We also supply and install secondary glazing and new sashes into existing frames (replacing just the moving parts) for timber windows. Our repair services comprise draught sealing and minor repairs. The majority of our replacement wooden windows and doors are double glazed.
Services
The Sash Window Workshop specialise in manufacturing, installing and repairing timber windows and doors across London and the South. Our employees are experts in their fields and will provide you with high quality, thermally efficient windows and doors that will work perfectly. Today we are still an independently run company.
Traditional timber windows and doors were not manufactured to accepted standards as they are today. Consequently, every window or door that we repair or manufacture is different, meaning that we have to pay extraordinary attention to detail. When you make your initial enquiry, a member of the office sales team will make a note of your requirements, contact details and the address where the work is being carried out.
In 1994, The Sash Window Workshop started operating out of a small converted pig shed in Ascot, Berkshire. The business has grown over the years and now trades out of our two workshops in Bracknell, Berkshire. We pride ourselves on the fact that we manufacture all our timber windows and doors at our premises in Bracknell and keep our work in house.
We believe that the quality of the installation process is just as important as the quality of the doors and windows. All our installers are expert craftsmen, with extensive experience draught proofing and installing our timber windows and doors.
The Sash Window Workshop offers a supply only service for traditional timber windows and doors nationwide. For properties outside of London and the South East, or where customers wish to use their own contractor, we offer a supply only service.
Reviews (10)
David Bailey
David Bailey
Dec 06, 2021
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This was the third job that we've used The Sash Window Workshop for. A high quality product each time, fitted by professionals who are also nice people.
Michael McLean
Michael McLean
Aug 05, 2021
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Fantastic experience overall; will be coming back to them for our final window, when we do the bathroom.
The workmanship and material of the windows is excellent quality and look beautiful (we chose Accoya wooden frames). Their employees were easy and helpful to work with throughout the process, from design and survey, through to the installation process.
Installation went perfectly to the predicted schedule (3 days for 15 units across 4 rooms), even with one of the glass units having cracked during transport and having to be replaced mid-install.
Website is full of useful and clear infomation
John Cook
John Cook
Aug 03, 2021
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Having used the company before, from first sales visit, Surveyor and fitting, the service has been superb. Nothing is too much trouble. The new sash windows are superb & totally match the windows in the rest of the house. Would definitely recommend to anyone.
Elizabeth Laird
Elizabeth Laird
Jul 03, 2021
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Good work all through the job from the Sash Window Company, from the first visit by the surveyor to the fitting of the windows. A small adjustment was needed to a screw fitting and it was fixed immediately. Highly recommended.
Pat Wallace
Pat Wallace
May 25, 2021
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Excellent company. Couldn’t recommend more highly. Every aspect outstanding: set up, surveyor, window quality, fitting, office admin, scaffolding company. The windows enhance the house enormously and are a joy to open and close.
Rose Gollop
Rose Gollop
Mar 19, 2021
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A very straightforward and professional process from start to finish. My initial phone enquiry led to a surveyor’s visit, where we discussed my requirements. I received to two quotations based on differing specifications. Having chosen the most suitable for my needs, the order was placed and the window frame was ready and installed in the time frame agreed. Installation was quick and straightforward, and the fitter tidied up afterwards and removed the old window frame. An excellent job.
Evelyn Preston
Evelyn Preston
Aug 26, 2020
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In 2012 I ordered triple laminated sash windows for my bay. They came with a special type of wood which lasts longer. Little did I know they would be tested to the ultimate. In December 2019 a car crashed into the bay. I was sleeping less than a metre away. The impact was so destructive that the next door railings were flattened, the cherry tree in front of my flat was uprooted, my railings were flattened, and the pillars and stairs belonging to three houses were destroyed. The car stopped with its rear end on my front window sill, finally brought to a halt by the windows. The impact knocked my
Gareth O'Brien
Gareth O'Brien
Aug 01, 2020
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We only ordered one window in the middle of lockdown but despite this we received prompt and excellent service and communication about our order. The window itself was delivered very well protected and immaculately clean. It is clear that a great deal of care is taken in creating these beautiful windows that will last a lifetime.
Ian MacGregor
Ian MacGregor
Sep 14, 2019
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I am absolutely thrilled with my new sash windows. The whole process has been excellent: from being shown round the workshop to the survey to the installation. The carpenter Paul who installed the windows did a fantastic job taking out the old windows and restoring the frame before installing the new windows. I highly recommend this company.
Tatiane Delamuta
Tatiane Delamuta
Jan 03, 2019
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This company has no respect for people. I woke up today to find 20 leaflets from this company in the floor of my house close to the door. Someone who does this level of spam mail does not deserve your trust or money.