Windows and Doors Milton Keynes & Northampton
Welcome to Fenster Glazing
Fenster Glazing wants to make your dream home a reality.
We are a market leader in offering premium glazing options for both residential and commercial buildings. With years of industry experience under our belts, we boast a dedication to exceptional craftsmanship that’s unmatched throughout Bedfordshire and Hertfordshire.
Our superior uPVC and aluminium window and door solutions improve the beauty, efficiency, and security of your space. We provide a wide range of glazing options because they can be tailored to meet your specific design tastes.
Our team of talented experts is committed to realising your vision, whether you’re looking for beautiful doors, energy-efficient windows, or bespoke glazing solutions.
We supply and install quality double glazed windows and doors in Milton Keynes, Northampton, Ampthill, Toddington, Leighton Buzzard, Buckinghamshire, and the surrounding Bedfordshire and Hertfordshire areas.
Get in touch with our expert team. We’ll help you design your perfect windows and doors today!


Customer Service You Can Trust
Customer service will make a huge impact on your own home improvements journey. Here at Fenster Glazing, we’re dedicated to leaving every customer completely satisfied with their new windows and doors. Going above and beyond other double glazing companies, we’ll take time and care to get to know you and your home. Your home will look better than ever with Fenster Glazing.
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Make An Entrance
Use our innovative door designer to create the entrance of your dreams. Choose everything from handle styles to your own bespoke letterbox. Leave nothing to chance with our state of the art security. Whether you are looking for a particular glazing option or want a special hardware feature, our door designer allows you to make the ideal door for your home.
Door Designer
Thermally Efficient uPVC Windows and Doors
Fed up with draughts and cool temperatures inside your home? Then it might be time to upgrade to uPVC home improvements. All across the UK, including right here in Milton Keynes, homeowners are choosing uPVC windows and doors for their homes to increase thermal efficiency. With these new front entrance doors and double glazed windows, your home could be at a more consistent temperature throughout the year. You could even see a reduction in heating bills!
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The SureFlap Cat Flap
also offer state of the art SureFlap cat flaps, the perfect solution to keep your cat safe while also offering freedom. The innovative system allows your pets to freely move between the interior and exterior of your home. A microchip in the collar means the flap will only open for your feline friend. This will help keep your home safe from potential intruders. If you're looking for a cat flap that grants freedom without any of the hassle, choose SureFlap.
Contact UsFinance Available
Fenster Glazing offer finance across our range of products. This allows customers to pay for their windows and doors over a flexible timeframe that suits them. To find a payment plan that suits you, use our online finance calculator. This will provide you with all the details you need to find the perfect plan for you.
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Our Testimonials
There’s no better recommendation than those of our past customers. Take a look at what they have said about our home improvements products and installations.

Water Stratford
We recently completed work on a 300 year old property local to us in Water Stratford, near the stunning area of Buckingham. Our team has always enjoyed working in the Buckingham region, what with its vastly different architecture. No two projects are the same!
Eye catching flush sash windows were specified by the happy homeowner, who knew...