The Specialist In Traditional Sash Windows
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Bespoke, high-quality window and door specialists serving London, Surrey and the South of England. From our Guildford workshop and window showroom, Traditional Sash have been operating and delighting customers all over Surrey, London and beyond for over 20 years. We pride ourselves on our bespoke window services, quality of workmanship and careful installation, as well as dedicated aftercare.

Our fully employed, experienced window and door fitters endeavour to serve as much of the South of England and surrounding counties as possible, including Central London, South London, South West London, West London, North London, Surrey, Berkshire, Kent, Hampshire, Middlesex and Sussex. Please see the areas we serve for further location details.

For as long as we've been trading we have been providing installation, replacement, restoration and double-glazing services for Sash Windows, Casement Windows, Bi-Folding Doors, French Doors Front and Back Doors. Vertical sliding sash windows are traditional of period homes and add elegance and splendour to any property.
Services
The Specialist in Traditional Sash Windows, we have been manufacturing, supplying and installing Traditional Sash and Casement windows for many years. During this time we have completed a large variety of installations, supplying over 50,000 replacement windows.
The support team can be contacted throughout working hours and all members of the team have a thorough knowledge of the Traditional Sash Windows and their installation so that you can rest assured that your enquiry will be dealt with by people who know what they are talking about. The joiners team is comprised of fully trained, highly competent and professional joiners who work to an extremely high standard at all times.
ISO 9001 Quality Management is the world's most recognised quality management system standard. It is a mark that we are dedicated to continually improving the services we offer to our valued customers. Fensa stands for the Fenestration Self-Assessment Scheme. We offer a 50 year timber guarantee for Accoya and a 10 year guarantee for Grade A Redwood, Sapele Hardwood and European Oak.
We have a brand new expanded showroom in Cobham, Surrey displaying our selection of sliding sash windows, casement windows, french doors and bi-folding doors. We are open Monday to Friday 8am to 4pm and we're always happy to show customers around and explain how we do things. Please note that consultations are by appointment only and these can be arranged by calling us on 08003897384.
We endeavour to serve as much of the South-East of England and surrounding counties as possible and have been installing & renovating sash windows, casement windows and doors throughout these areas since our founding in 1999. We cover areas including Central London, South London, South West London (except North and East London locations), Surrey, Berkshire, Kent, Hampshire, Middlesex and Sussex.
Reviews (8)
Alison Hamer
Alison Hamer
Feb 19, 2021
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Excellent service from salesperson visit to quotation to installation. Friendly, helpful, excellent craftsmanship and the fitters were quick, friendly and incredibly tidy! The new windows are beautiful and the refurbishment of an existing sash has made a massive difference in terms of insulation and noise. I wouldn't hesitate to recommend and will no doubt use again in the future!
Greg Howson
Greg Howson
Dec 09, 2020
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Great workmanship and very friendly staff
Service: Window installation
Mike Herrebrugh
Mike Herrebrugh
Sep 22, 2020
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There are mixed reviews, but I'm happy to give 5 stars. The owner of the company is a straight talker and he does listen to customers. Slight change in their normal payment terms to make us more comfortable wasn't a problem. They have refurbished all windows of a large Victorian property and they look like new. When there was a problem during the work the owner addressed it straight away. When I called them last week (during Covid-19 and whilst they were closed) the owner answered the phone and today (3 days after commencing work they have sorted out a service on the windows under the warranty
Diana Copper
Diana Copper
Jul 09, 2020
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Positive: Professionalism, Punctuality, Quality, Responsiveness
Very good experience from quotation to installation. Responsive and helpful. Beautiful product.
Service: Window installation
Paul Davies
Paul Davies
Jul 06, 2020
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I had a mixed experience with these guys. The woodwork was generally OK and as I hoped (any minor issues were ironed out) but the 'making good' of the work which was agreed prior to installation was very poor.
We decided to repair the finish around the French doors ourselves (took a weekend) and I now have to repair the sandstone cill on the first floor bay window which has failed seven months after it was repaired).
I appreciate that these guys are specialists in the window but they agreed to the making good and, as I had arranged the scaffolding I thought it made sense. I have asked for a small
Emma Galvin
Emma Galvin
May 05, 2020
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Positive: Punctuality, Quality, Responsiveness, Value
Excellent quality and fantastic customer service! Highly recommend !
Silia Vit
Silia Vit
Dec 26, 2018
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Great quality products, delivered on time, and we were amazed also with the brick work they did (see pic), as our project included swapping old door - window. Excellent result, wonderful people, highly recommended.
Christopher Armstrong
Christopher Armstrong
May 10, 2018
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Not impressed with the handling of the office department. As soon as you agree to their quotation they send out a contract for you to sign. 25% upfront cost as a deposit. Then they want 50% a week before the work commences (rather than when they start) so effectively another deposit, which totals 75% upfront cost! They then want the final 25% upon completion. Did not complete the work in the time frame they gave themselves, which did not worry me. HOWEVER, they asked me to make a down payment on the final payment even though they have not completed the work going against their own terms and conditions