Replacement Windows

If you’re looking for bespoke replacement windows in UPVC or Aluminium, UK based double & triple glazing manufacturers and installers Hazlemere carefully design all our windows specifically to your requirements. We manufacture all our thermally efficient energy rated replacement windows to the highest possible standards ensuring our range of aluminium windows, sash windows and double glazed UPVC windows will be sure to transform your home - whether you are looking for windows with traditional good looks or a more contemporary or unusual appearance.

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About our windows and doors

Understanding that choosing replacement windows is a big decision, we do everything we can to help it be as easy as possible. Watch our video and discover all the features and benefits of our fabulous range.


View our range of window designs


Find out more about our window materials


Find out more about our glazing options


Make your house a home! Let Hazlemere take care of it for you – get in touch with us today and see how we can help.

Get a free quote

or call us today on 08000 825 825.

Customer Reviews

Second installation of windows and doors. The fitters this timer better than the first time. Happy with products.


Windows & Doors Welwyn
Gabrielle Nash – 6th Nov 2019

Windows & Doors High Wycombe
Andrew Hay – 31st Oct 2019

Great product.


Windows & Doors Beaconsfield
Sydney Mark Gooding – 22nd Oct 2019

Good door.


Windows & Doors Marlow
David Deering – 14th Oct 2019

Excellent service received.


Windows & Doors Barnet
Angela Cross – 3rd Oct 2019

Windows & Doors Monks Risborough
Barbara Crook – 23rd Sep 2019

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© 2019 Hazlemere Window Company Ltd.

Credit is subject to status and affordability. Terms and conditions apply. Finance on windows & doors is available to a maximum loan value of £50,000 with zero deposit. Finance on conservatories is available to a maximum loan value of £30,000 with a 15% deposit. £1,000 minimum order value applies to all finance options. Authorised and regulated by the Financial Conduct Authority. Hazlemere Window Company Limited at Cressex Business Park, Wellington Road, High Wycombe, Buckinghamshire HP12 3PR (Financial Services Registered No. 796507) is a credit broker and is authorised and regulated by the Financial Conduct Authority. Credit provided by Hitachi Personal Finance, a trading style of Hitachi Capital (UK) PLC, authorised and regulated by the Financial Conduct Authority (Registered No. 704348).