Replacement Windows
Hazlemere Window Company Ltd are dedicated independent window manufacturers, suppliers and installers of high quality, bespoke aluminium windows, UPVC windows, double glazed windows, sliding sash windows, "A" rated window systems and energy rated windows. Click on the links below to view more about the replacement windows we offer, or read on for more information about our windows.
Bespoke Window Suppliers
If you’re looking for bespoke replacement windows, UK based company Hazlemere carefully design all our windows specifically to your requirements. We manufacture all our windows to the highest possible standards ensuring our range of aluminium, sash and double glazed replacement windows will be sure to transform your home.




















Want to know more? Call us on FREEPHONE 08000 825825 or email us at enquiries@hazlemere.co.uk - We’d be delighted to help without any hard sell. Download our Quick Window Estimator
Not only are we leading window manufacturers and window suppliers, but we can help you transform and complete your home with our matching ranges of UPVC and aluminium replacement doors as well as garage doors, conservatories and roofline products.
Hazlemere is based in High Wycombe and has almost 25 years of experience in providing high quality double glazed windows, doors and conservatories for clients in Buckinghamshire, Berkshire, Middlesex, Oxfordshire, Hertfordshire and London. Find out if we cover your area.
As proven replacement window manufacturers, we provide a 10 year guarantee and are accredited to ISO 9001:2000 for the supply and installation of replacement windows, doors and conservatories.
Watch Hazlemere Windows, Doors & Conservatories generic brief introductory video
Mr and Mrs Storey, Chalfont Common "Thank you for a job well done, my windows and door look very nice. Also I would like to say a big thank you to the two chaps who carried out the work.....they left all of their working areas clean and tidy. I was not put to any trouble at all while they were here."
Sylvia Lacey, Marlow, Bucks "I would have no hesitation in recommending your company to anyone considering a similar project."
David Lynes, Banbury, Oxon "Having commissioned the Hazlemere Group to fit aluminium vertical sliding windows, French doors, coloured front door and two garage doors, we were delighted with the quality of the products and installation."
Mr and Mrs Kay, Penn, High Wycombe, Bucks "The new door and new windows have vastly improved the appearance of our property! An excellent job!"
Mrs Helen Titchen, Lacey Green, Bucks "Just a note of appreciation for the efficient way which our recent order for replacement (sash boxed) windows was carried out. As we have found previously, your team are courteous, efficient, competent and friendly."
Mike and Sue Richardson, Eton Wick, Windsor "An extremely professional window and door installation that has been conducted with the utmost care and attention at every stage."
Mr David Lynes, Banbury, Oxfordshire "Hazlemere provided a high quality product, attention to detail in meeting our exact requirements. and a personal and professional service, which led us to engage them again a few months after successful completion of the conservatory project to replace all the windows and doors to the front and side of our house."
Mrs Rhymes, Chalfont St.Peter, Bucks "We particularly appreciated the work of your installers. They were tidy, used plenty of dust sheets, and were always careful to remove shoes before stepping inside. We were also very pleased to find that the internal decoration was not damaged at all. "
Mr Davidson, Prestwood, Great Missenden, Bucks "As old age pensioners and first time buyers of double glazing, we were very anxious indeed to have a large casement window replaced in our lounge. The experience was, although unusual for us, a joy to watch."
Mr and Mrs Chase, Beaconsfield, Bucks "Please find enclosed a cheque for......the balalnce due on installation. I would like to thank you and the installation team for your high quality installation and customer care. I'll be in touch when we embark on phase 2!!"
Miss Debbie Mansfield, High Wycombe, Bucks "We would like to say how pleased we are with our new windows, the drafts have all gone and the house is so much warmer. The workmen who installed them were great. They very well mannered, worked non stop, even through the rain, made sure all carpets and furniture were covered where necessary. When they left you wouldnt have thought there had been any workmen in the house.
We would recommend your company to our friends and anyone else who wishes to have new windows installed."
Joe and Carolyn Murphy, Wantage "We would like to congratulate you and all of your team for the extremely professional, courteous and efficient manner in which the work was carried out. Every aspect of doing business with your company was a pleasant experience. We particularly liked your sales approach, which unlike some of your competitors, did not result in any pressure to purchase."
Mr and Mrs Richard Weisz, Chalfont St.Peter "I can without hesitation recommend Hazlemere Windows."
Mr Morgan, High Wycombe "Please find cheque in payment for the installation of new windows. We are very pleased with them and the men who came were excellent."
Mrs Word, Downley "We are so pleased with our windows and back door."
Mrs Wood, High Wycombe "We are very pleased with the work carried out and will use the company again."
Stella O'Shea, High Wycombe "Today we had our last replacement window fitted in our programme to replace all windows and external doors following my retirement 10 years old. May I say how pleased we have been with your products and also the follow-up service."
Mr and Mrs Grey, Chalfont St.Peter "May I say how pleased we have always been with your services, the quality of product, and most important, the skill and helpfulness of your staff."
Mr and Mrs Smith, Beaconsfield "I would like to say how pleased I am with the work that John your window fitter did for me last week, also last November. The windows look very nice."
Mrs R H Ward, Gerrards Cross, Buckinghamshire












