Win-Dor
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Win-Dor
Watch our video and discover our outstanding products, fantastic service and passion for your vision. Win-Dor is a top home improvement and double glazing company, serving Northampton, Milton Keynes, Oxford and the surrounding towns and villages for more than 35 years.

We manufacture all our windows, doors and conservatories (uPVC and aluminium) ourselves - guaranteeing you will get the best quality home improvements, and of course, the best price.If you're thinking of upgrading your windows and doors, or creating extra space with a new conservatory, why not check out some of the beautiful home improvements we have on offer?

We offer a choice of incredibly competitive finance options, meaning even our top of the range products are well within reach. Take a look through our website, learn about our windows, doors and conservatories, and please contact us if you would like to know more. Established in 1978, Win-Dor is a leading window, door and conservatory company, with nearly 30 years' improving homes in the Heart of England.
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Established in 1978, Win-Dor is a leading window, door and conservatory company, with nearly 30 years' improving homes in the Heart of England. With double glazing showrooms in Milton Keynes, we're in the perfect place to help you create your dream home. No matter where you live in Oxfordshire, Northamptonshire, Buckinghamshire or Bedfordshire, get in touch today for free home improvement advice or quotation!
At Win-Dor we understand that it's important you get your home looking exactly the way you want. That's why we're proud to boast that we can provide you with windows that can be made to your exact colour specification with our in-house colour spraying service. This means that in addition to their excellent levels of performance, you can have any of our uPVC windows made in virtually any colour you like.
Whether you are looking for uPVC or aluminium windows for your property, we have a comprehensive range of double glazed windows sure to suit any home. Featuring innovative designs and the latest technological advances, our uPVC windows can offer the best in security, low maintenance and energy efficiency.
Windows manufactured by Win-Dor can not only improve your home's aesthetics, but they also have outstanding thermal properties. Our uPVC windows are capable of achieving an 'A' Window Energy Rating (WER) when used in combination with high quality glazing units.
All of our sealed glazing units are manufactured and toughened in-house, so you can be assured that the manufacturing and glazing processes are combined in a seamless, straightforward operation. No matter your requirements, Win-Dor can cater for virtually all glazing needs - unlike other providers we can even offer specialist glazing services in-house, such as leaded and stained glass options.
Reviews (9)
Paul Hill
Paul Hill
Jul 05, 2021
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We have employed Win Dor now on two separate occasions and both times the service has been fast and efficient. The fitters were professional, polite and very tidy. would thoroughly recommend.
Sharon Brady
Sharon Brady
Jun 29, 2021
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Professional company who offer a very good range of doors.
Good service and advice, competitive prices.
Would recommend.
Olga Wilson
Olga Wilson
Jun 14, 2021
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Please never use this company, we have so many issues with our door and service is disgusting. Door wasn’t fitted proper, you can see outdoor. Handle keeps coming off. We called company several times for the last 8 months and nobody is coming to fix the door. Appointment on 28May was cancelled and nobody had a decency to tell us.My husband just called them and lady was really not helpful, she said we need to wait another week just to get an appointment. Shocking. They just don’t care at all. I fell really let down and upset and we paid lots of money for our door, it was not cheap rubbish.
Monkey Magic
Monkey Magic
Dec 01, 2020
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Do not let these jokers mess up your home. Absolutely appalling workmanship and work ethic. All they are concerned about is doing the job as fast as possible so they can knock off early.
Numerous problems:
The lead that was supposed to be installed to make the roof watertight went 'missing' and was not installed (maybe got sold instead?). Vast amounts of silicone sealant was used to fill in a large gap between wall and conservatory.
When asked numerous times not to leave the job like that they still did.
The foreman came out to check and said - as long as the finish is ok that's all that matters
Ross Hickin
Ross Hickin
Jun 05, 2019
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I contracted Windor to remove my existing 20-year-old conservatory and build a new Orangery with bi-folding doors, and to knock through the external wall into the dining room, to create one large dining / family room.
I cannot speak more highly of Windor; from Andrew’s initial visit where he instantly understood the vision I had in my head and the confidence in being able to deliver it (which was very much lacking in some of their competitors that I had round to quote), through to the final completion of the project, all Windor staff and trades were professional, polite and a pleasure to have
Anita Flunder
Anita Flunder
Dec 07, 2018
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Can I just say a big thank you to you guys. When I walked into your showroom I knew I was in the right place.
I told you what I wanted and my price limit and boom you hit the nail on the head.
There was no pushing for extras or “go bigger”. Within 5 mins of being there a simple diagram was drawn up for me to see if what I wanted.
The deposit was paid there and then and that afternoon plans were e mailed to me for me to see.
Not long after a surveyor popped around for the final detailing of measurements etc.
We had an old style Perspex summer house where we wanted the new conservatory to
Nigester
Nigester
Aug 22, 2018
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We had quotes for our conservatory from lots of different companies in Milton Keynes and windor gave the best price and most detailed quote. Andrew was happy to keep adjusting our quote and plans as we kept changing what we wanted so that it suited our vision. The work was completed quickly with no problems and the after care was excellent with a couple of glass panes with tiny defects replaced without any fuss. It is easily the most used room in our house with the only regret being that we didn’t get this done sooner!
Nigel
Julian Streeter
Julian Streeter
Jun 26, 2018
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We have been a customer for years. Windor have always done a fantastic job for us. They changed all windows and doors at our last 2 properties, and built a conservatory on each. A compact conservatory and more recently a large open plan Orangery. Both with glass roofs, they improved our home significantly.
Great value for money, product quality and customer service. Would happily recommend them to anyone.
Mk Guitar School
Mk Guitar School
Jun 10, 2018
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We have used Windor for various projects over the years including Conservatories and external doors and have always found the quality and installation procedure to be excellent. The sales process is relaxed and consultative rather than pushy and I think that they genuinely care about whether you get the right product for your needs - we wouldn't go anywhere else!