Windsor Windows, Doors & Conservatories, Northampton

Based in Northamptonshire since 2001, Windsor are FENSA registered installers of UPVC double glazing windows, doors, conservatories and roofline products. We are dedicated to providing energy efficient, high quality, value for money solutions in Northampton and the surrounding areas including Wellingborough, Kettering, Corby, Daventry, Towcester as well as other areas.

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Bevelled or featured, i.e. contoured in appearance – the slim-line design of our UPVC windows will brighten any room while your peace of mind is ensured by the enhanced security provided by multi-point locking systems.



A conservatory will enhance your properties appearance, along with the functions of your home.
The majority of our conservatories are built to be used every day of the year, and provide a light and pleasant place to relax or entertain.

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Our doors offer high levels of security and exceptional protection against the elements, with air-tight seals to keep out any drafts. What’s more, minimal maintenance is required to retain your door’s appearance and performance.


Roof Line

Replacement roofline systems or as they are commonly know fascias and soffits, are an increasingly popular way of improving the look of a property while providing a cost effective maintenance free solution to traditional timbers.

See the benefits of our products

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Reduce Energy Bills

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Reduce Heat Loss

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Sustainable PVCu

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Increase Soundproofing

Windsor Commercial

The commercial division of Windsor incorporates all of the available UPVC with a full range of aluminium products. Accompanied by an experienced project management team, performing with maximum efficiency. our aim is to create a reliable partnership with our clients.

Previous and current customers include Local Authorities, Housing Associations, Property Developers, Architects, Schools, Churches and countless private companies.

About Us

Windsor have been supplying and installing double glazing solutions since 2001 and remain dedicated to providing traditional values such as excellent craftsmanship, value for money and outstanding customer service as well as incorporating the latest in product innovation and design.

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Latest News

Introducing the Energy Efficient Modus Windows Range

Introducing the Energy Efficient Modus Windows Range Modus windows features clean and contemporary looks that our customers demand, together with slimmer sight lines and leading thermal performance. Now for the first there’s a genuine alternative to aluminium and...

Proudly Presenting the Stunning Aspect Bi-Folding Door

Proudly Presenting the Stunning Aspect Bi-Folding DoorAspect is the advanced bi-folding door system from Windsor. With ultra slim frames there’s nothing to obscure your view or stop all that extra light flooding into the heart of your home. Aspect patio bi-folding...

What Our Customers Have Been Saying

Lee and the Windsor team are so professional and friendly, We have had great service from them from start to finish! We have just had a conservatory done and I’m in absolute love with it!! Couldn’t be happier! I would highly recommend them! Thank you Windsor


The whole process of choosing, fitting and buying my new front door was handled in a professional, friendly and efficient manner. I wouldn’t hesitate to recommend or use Windsor Windows again.


We unreservedly recommend Windsor. Used them twice. First class quality with service to match. Materially better price than local competitor. They really know what they’re doing and do it all with a smile.


Amazing service from start to finish lee and his team were great and our new door and windows are great too. I noticed the noise reduction straight away will definitely use again in the future. A massive thank you to you all.


Brilliant sales team, and very professional fitting team. Many thanks to Dave, Matt, Harry and Kelly for a great job.Cleaned up after themselves and let me know what was happening at every stage of the fit.


Great experience with Windsor, professional and helpful from start to finish. Timely quote, good price, always on time, smooth installation and great communications. I’d happily use them again!


Our Partners & Industry Regulators

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Eurocell Composite Doors

Download the brochure to view our full Eurocell composite door range.

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Not all doors are equal. The most secure and thermal efficient range of doors on the market. Download the brochure to view the full range.


The Complete Collection

The complete collection of windows, doors, conservatories and skypods. With hardware, security, colour and glass options and everything you need to know about their energy efficiency.

Call now and transform your home.

01604 645 444 or 0800 633 5733