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Christmas Closure: We close at 3pm on Thursday 21st December and re-open Tuesday 2nd January at 8am.

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10 Year Guarantee

subject to terms and conditions
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Made in the UK

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1000+ Checkatrade Reviews

Installing Windows, Doors and Conservatories throughout Surrey, Berkshire and Hampshire

Here at Three Counties we believe in an open and honest pricing policy without the over-inflated prices and so-called ‘discount’ tactics that some double glazing companies use; instead we’re happy to publish our window and door prices online. We’re proud of our enviable reputation and operate a strict no-pressure sales policy, the customer is always at the centre of our company focus and our aim is for you to enjoy your new home improvements right from the initial quotation through to installation and beyond. And because we talk you through all the options, avoid industry jargon and always give you a fair price, we’re proud to say that most of our business comes by referral from satisfied customers.

So get in touch today to add yourself to the growing list of happy Three Counties clients!

Simon Claxton, Founder and MD of Three Counties Ltd

About Three Counties - Weatherseal Gasket

We have over 1000 checkatrade reviews!

We are established specialists in all aspects of the supply, installation, maintenance and repair of premium quality double glazed UPVC and aluminium windows, doors and conservatories as well as roofline products, including soffits, fascias and guttering for both private and commercial customers. Our showroom is based in Camberley and our services cover homes throughout Surrey, Hampshire and Berkshire.e

About Three Counties - Triple Glazing Benefits

Accredited Double Glazing: Quality Products

From 1st July 2013 it became mandatory for manufacturers of windows & doors to apply CE Marking to their products. CE marking indicates that a product conforms to legal requirements in specific European technical standards known as harmonised European Norms (‘hEN’). It enables a product to be placed legally on the market in any European member state. However, regulatory requirements may differ from country to country.

About Three Counties - Triple Glazing - Refer a friend
Paul Wallis
Paul Wallis
2023-10-28
We recently decided to replace our front door, and could not be happier with the result! Thanks so much to Kate, for her time and understanding. Cannot say enough good things about the installation, and Cameron was tidy and efficient. It's been a pleasure to work with Three Counties recently, doors and windows. Many thanks!
Danielle Horsley
Danielle Horsley
2023-10-14
Lovely looking door
Agatha W
Agatha W
2023-09-08
Three Counties have been superb, their customer service is great and their workman were polite, cleaned up after themselves and the workmanship is excellent!! I am very pleased with their work and would happily recommend them.
Tom Winter
Tom Winter
2023-08-15
Excellent service!! We had 21 windows and 3 doors installed and very happy with it all. The process from start to finish was stress free and Ron and Lee who installed the windows and doors were great. Would definitely recommend!
Phil Redhead
Phil Redhead
2023-08-12
Just had my tatty old windows replaced by Three Counties, and it’s been a highly professional job from start to finish. Communication from the administration team was prompt and courteous at all times, and installation ended up being much quicker than advertised projections. Installation was without issue and the lads who did the work were amenable to my requirements and did an excellent job. Very happy with the entire process. Three Counties were recommended to me by friends and I can certainly now recommend them to others.
Mark Boyce
Mark Boyce
2023-07-21
Bought two new windows and a new front door from Three Counties, was very impressed with the attitude of all staff, who were friendly and informative. Price was good, and installation completed without a hitch - very happy with the final product, and would definitely use again.
Paul Picknett
Paul Picknett
2023-06-13
We have just had all our windows (18) replaced, french doors (20 and side panels (2) by Three Counties. We could not be more pleased with their workmanship and the finished product. They left the property incredibly clean after each day, and this despite the messy nature of ripping out old windows and frames. We were kept informed at each stage and a minor snagging issue was resolved promptly and efficiently after installation. A first class service. We would not hesitate to recommend Three Counties.
Anna Trevelyan
Anna Trevelyan
2023-06-01
Three Counties have now installed several windows and doors on our house and they're always my go-to company. I used another before I discovered them and they let me down, but I absolutely cannot fault Three Counties. From the moment you contact them they're courteous and professional, and they keep in touch with timescales and installation times. Friendly installers too, who go above and beyond. You'd think all this great service would cost more but they beat other companies on price. Highly recommended and trusted, I'd never go anywhere else now.