Koncept Home Improvements supply top quality UPVC, aluminium and composite windows, doors and rooflights to retail and trade customers throughout the Thames Valley Region. We are very different to average window company as we want to make the customers journey a very satisfied journey by not coming to your home and forcing a sale with the archetypal double-glazing sales pitch. Simply give us a call, send us an email or upload some drawings to our website with some rough dimensions and a brief summary of the products you require and we will come back to you with an itemised quote.