Keen Windows
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Providing the UK's most energy efficient double glazed UPVC windows, double glazed doors and conservatories for your home. 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 Borhamwood, Hertfordshire.

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.

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. Our comprehensive suite of products are available in a range of standard and prestige finishes.
Reviews (5)
Tatyana Ilieva
Tatyana Ilieva
Dec 06, 2021
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Critical: Professionalism, Quality, Value
Do not use Keen Windows/Adrian Harvey, he is not to be trusted.
One of the windows was measured 15cm shorter, the garden door is still not adjusted,.
DO NOT USE THIS GUY
Adrian Harvey
Adrian Harvey
Nov 15, 2019
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We had our windows Fitted by Keen Window just before Christmas and all i can say is that Adrian Harvey will go above and beyond to help you out.
We are very pleased with the quality of the windows (Rehau) and the fitters were clean & tidy, also very courteous.
I would recommend Keen windows to any one as a descent local company with out all the big sales pitches that you normally get from some companies.
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Michelle Llewellyn
Michelle Llewellyn
Jul 12, 2019
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I also had windows & bifold doors fitted. The windows I couldn’t open and it was the hottest weekend. I have a baby and the room was over 30c he kept putting me off for a week. He then sent a guy at 7:30pm on the Saturday night. He still hasn’t resolved one of the windows and is ignoring all calls texts and emails. The bifold doors were not exactly what I ordered and were expensive. He doesn’t listen and definitely is not to be trusted
Rosalind Levine
Rosalind Levine
Jul 08, 2019
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Called out to fit a cat flap. First time didn't show up and when I called he said he won't be coming because he went home as it was cold. Not even an apology. Gave him the benefit of the doubt and made a new date. Again he was a no show. I didn't bother to call this time. Wouldn't bother with this company again.
Mirel Mm
Mirel Mm
Jun 03, 2019
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Just had a front door fitted by Keen Windows and this is not high quality at all. Doesn't align properly and he says it is factory issue. Asked to contact the manufacturer and fix or replace but Adrian Harvey is keep making excuses and delays. Do not trust! Poor quality products.