Quality Installation by Experts

Double Glazing Ampthill

Fenster installs double glazing in Ampthill, with a large variety of options tailored to your home’s specific needs. Installing double glazing has a myriad of benefits, including increased levels of energy efficiency, helping put more money into your pocket by reducing energy costs. Double glazing also helps to improve the security of your home, with multi-locking mechanisms available for both windows and doors, allowing you to rest easily with increased peace of mind. 

Fenster installs double glazed windows and doors in Ampthill with a variety of frame colours and glass finishes, helping to add a personal touch to any housing or business project. The choice is yours as Fenster installs double glazing for a variety of projects, including casement windows, composite doors, flush casement windows, sliding sash windows, tilt and turn windows and aluminium windows. Fenster also offers a range of doors, including aluminium bifold doors, composite doors, uPVC doors, patio doors and french doors. 

Fenster prides itself on creating high quality, low maintenance products, easily cleaned with a damp cloth. This ensures that your windows and doors look good as new for little to no maintenance cost, for years to come. 

Double glazing helps to create a property better able to resist all Ampthill weather extremes, keeping heat in and lowering your energy costs, while maintaining a natural flow of light to your home. With Fenster glazing, you can be assured that your double glazing needs will be fulfilled to the highest quality.

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High Quality Customer Service

You can be assured of a high quality installation, supported by our outstanding customer service team.

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Modern and contemporary double glazed windows in Ampthill

FENSA Accredited Home Improvements Ampthill

Fenster is a FENSA, accredited installer for double glazing in Ampthill. This ensures high quality installation following FENSA building regulations.

FENSA also takes care of registering your door and window replacements with your local council, taking care of this responsibility for you. By choosing Fenster for your double glazing in Ampthill, you will receive a FENSA certificate at the end of installation, proving your home improvements comply with local building regulations, are registered with the council and are supported by guarantee insurance. This helps your double glazing home improvements be completed without any hassle.

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Double glazed windows in Ampthill.

Thermally Efficient uPVC Windows and Doors

Fenster provides a great option for double glazing windows and doors in Ampthill. Our double glazing products offer increased thermal efficiency, reducing energy costs. This is due to their design maximising thermal efficiency, with our range of doors featuring aluminium extrusions with polyamide thermal breaks, maximising efficiency. In addition, the double glazing helps to insulate your space, allowing you to reduce your reliance on central heating or your thermostat to maintain a comfortable temperature. You can also save money on your energy bills, as double glazing will ensure less energy is used to heat your space. With Fenster, you get the best of both worlds: a warm home with increased energy savings.

Fenster offers the perfect solution for improving the energy efficiency of your home: double glazing strengthened with glass fibre and PU insulated chambers. This will not only make your home more comfortable and warm, but it will also help reduce your carbon footprint. With Fenster's range of double glazing solutions, you can find the perfect product to help make your home warmer- and the world greener.

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A securely installed cat flap for your pet in Ampthill.

The SureFlap Cat Flap

Home security is important to us - and this even extends to your cat flap! OurSureFlap cat flaps are useful if you have a cat that would benefit from a designated entrance to your home. The microchip technology present in SureFlap ensures that only your pets can enter your home- keeping out any unwanted animals. SureFlaps can be installed on both windows and doors, with designated tunnel installations also available.

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Our Process

Ampthill Double glazing


We will first survey the property to ensure we have the exact measurements for your double glazing work. This helps us get an insight into the specific needs of your property.

Ampthill Double glazing


We will work closely with you while we install your double glazing, ensuring the process is as transparent and efficient as possible. We work hard to ensure all renovation stresses are kept to a minimum, to provide you as much comfort as possible.

Ampthill Double glazing


Here at Fenster, we offer an aftercare policy, as we believe our installations should be robust and efficient for years to come. We will help you work through any encountered issues post-installation.

Our Testimonials

Nothing assures confidence like reviews from our past customers.

We are very pleased with our new front door. Very good service and excellent quality. Would highly recommend Fenster Glazing.

Nicky Kent

From start to finish, Fenster have been amazing. Great communication, easy to work with, friendly fitters, flawless windows and a very fair price. I’m so happy I chose them over other companies and have already recommended to several of my friends and colleagues.

Dan Alger

Amazing service! Communication was easy from the beginning and both the professional who came to take measures and the one who finally replaced the windows were extremely friendly, quick, and helpful. I can't recommend enough!

Karen Gómez

I’d give 6 stars if I could! I’ve just had a new door fitted by these guys, absolutely amazing service and very fair price! I cannot fault a single thing! Thank you fenster!!

Laura B

I expected great service from Fenster Glazing based on the Trustpilot reviews and that is exactly what I received. Very satisfied customer, the whole process from measuring to fitting of my replacement door was made as easy as it could be for me! Well done to all in the Fenster team. You deserve your 5 star review.

Mark Vincent Smith

Excellent from End to End. Fenster originally came out to us and went through ideas, a couple of designs and all the options available to us. We settled and then changed our mind on a couple of things which was accommodated without question. Installation was superb - quick and efficient and the final product looks great!!

Mark S
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Our office opening hours are:
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Closed Saturday - Sunday.

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Based on 67 reviews
Heather Scott
Heather Scott
This is the second set of windows we’ve had fitted by Fenster. They are brilliant at every stage and I would highly recommend them. The staff are friendly and professional, they got the job done quickly and well, we’re very pleased with both sets of windows they fitted and would definitely use them again.
Dan Alger
Dan Alger
I contacted Fenster last week to see if they could help me. My French doors were failing to lock meaning we couldn’t leave the house. They sent Ben out the next morning who replaced the mechanism and also adjusted the door, closing up an annoying gap that’s been there for years. I wouldn’t hesitate to recommend Fenster to friends and family, a really helpful and efficient company.
Alison Budd
Alison Budd
We couldn't be more delighted with the professional service we received from Fenster Glazing. Nick turned up on time for the initial visit/quote which was fair and reasonable. After accepting the quote a survey was was carried out. The installers arrived on time and were polite and friendly. They covered everything up and left everything clean and tidy. After installation Perry called to check we were happy with the service. The quality of the french doors and windows installed were outstanding. We have no problem recommending this company. We would rate Service, installation and aftercare as 5 star.
I live in Milton Keynes, I contacted Fenster Glazing for an uPVC replacement door. From the beginning to the end, they conducted professional communication, from sales to the technicians coming to replace the door everything was perfect. I had a draught issue with my door and it is resolved now. I want to mention that I am also happy with the quality of the material of the door. I am hoping to have the same quality of service in the future if anything comes up—special thanks to Perry for dealing with everything. Ben
CMH Yoga
CMH Yoga
Highly recommended. I wanted a very specific style of doors to fit into our 1930s front porch. Fenster designed them, advised on colour & finish and they have produced exactly what I was looking for. The fitters were very polite and made sure everything was to my standards, and no mess left.
Chris Pike
Chris Pike
Great company. Very friendly, helpful. The work was completed to a very high standard, at a very reasonable cost, and I would highly recommend them.
Martin Cassin
Martin Cassin
Used Fenster glazing to replace two large panes of glass in our conservatory. Everything so Easy from obtaining a quote from Fenster to agreeing installation date and completing installation, polite, professional installation staff, very happy with service from start to finish

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