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About The Sash Window Workshop

The Sash Window WorkshopWhich? Trusted Trader specialises in manufacturing, installing, and repairing timber windows and doors across London and the South with a supply-only service nationwide. Our employees are experts in their fields and will provide you with high-quality, thermally efficient windows and doors that will work perfectly.

The History of The Sash Window Workshop

The Sash Window Workshop was founded in 1994 by our Managing Director, Richard Dollar. The company started trading in converted pig sheds in Ascot, Berkshire.

Over 30 years later, we are still an independently run company. However, we now operate from purpose-designed manufacturing facilities in Bracknell, Berkshire, and employ around 80 members of staff.

We have experience working on a wide range of properties, from small flats to prestigious buildings, including Buckingham Palace and The Admiralty Buildings.

Old Workshop Ascot
High quality front door

Enhancing the look, feel, and value of your property

We believe that windows and doors are an important feature in any home and that they must not only be as energy efficient as possible but also be in keeping with the architectural style of the building. Our goal is to ensure that they enhance the look, feel, and value of your property.

Whether you are looking to draught seal a couple of windows in your home or are working on a large project to replace multiple windows and doors, we recognise the importance of providing a tailor-made solution to suit you.

Obtain a quote for your windows or doors.

Excellent Customer Service

Customer service is very important to us. We value and rely on customer recommendations for much of our new business. We are proud to be able to offer our customers extensive knowledge and experience in the timber window and door industry, combined with excellence in the delivery of both products and service.

We understand that your requirements are unique and have set ourselves service standards to ensure that we meet your precise needs. Our aim is to ensure that you will want to recommend us to others! We are therefore proud that over half our orders come from existing customers and recommendations.

Excellent Customer Service
Which Trusted Trader 5 star rating with 30 reviews

Our Accreditations

We are members of several different accrediting bodies, including FENSA. We are endorsed by Which? Trusted Traders and have an excellent Trustpilot rating, meaning that you can feel secure in the knowledge that you will receive a high-quality product and service.

We are members of Made in Britain, with all our replacement windows and doors manufactured by our skilled craftsmen in our manufacturing facilities.

We are also FSC certified and use a Accoya wood as standard, which comes with a 50-year anti-rot guarantee. We are proud to be an Accoya-approved manufacturer, having been an early adopter of the timber.

View all our accreditations.

Manufacture and Installation of Windows and Doors

Operating from one central location in Berkshire, we are able to ensure a consistently high standard of work. We also recognise that windows and doors must be installed efficiently with both consideration and minimal disruption.

By providing an installation service, alongside the manufacturing of your new windows and doors, we can provide a one-stop shop for replacing your timber windows and doors. We also provide a draught-proofing service for timber windows that do not require replacement.

We also provide new joinery on a supply-only basis.

new sashes installation
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