Welcome to Keen Windows, Doors and Conservatories
Providing the UK's most energy efficient double glazed UPVC windows, double glazed doors and conservatories for your home.

What we do
Windows

Doors

Conservatories

Welcome
Keen Windows specialise in a first class personal service with premium quality UPVC windows, UPVC doors and conservatories fitted to highest standards in and around Borehamwood, Hertfordshire.
First Class Service
Keen Windows prides itself in a personal service, Adrian Harvey has over 15 years experience and is still involved in all project from start to finish. From the original consultation and design to the final inspection we aim to provide a first class personal service.
Quality UPVC Windows, Doors & Conservatories
Any home improvement project is a major investment and as such should be handled with the utmost integrity and full liaison with the client. We guarantee all our installations for 10 years (covered by an insurance backed guarantee), so we have to be sure our staff or any of the regular tradesmen working under our name share our passion for high standards of workmanship and customer care.
With Keen Windows you can choose from leading products including Kommerling Residence R7 And R9 windows and doors, composite front doors made by Hallmark, alongside the latest styles including flush windows.