Features & Benefits

french doors letchworth

Secure By Design

No one wants to live in a home that’s easy to break into. 

Keeping your Letchworth home secure is your top priority as a homeowner. This is why we take pride in all our French doors being accredited by Secured by Design

With this police security certification, we confirm that your home is protected from any potential burglars and crime. 

Relax and let Fenster’s French doors do the job, equipped with the most up to date multi point locking and steel reinforcements that keep your home extra safe and secure! 

french doors letchworth

Wide Opening Span

Struggling to receive interest in your home from tenants or purchasers? 

Because French doors open widely, there is room for much natural light. This means that your Letchworth home looks bright and lively at all times. 

The doors’ built-in insulation guarantees that your home will stay warm even during the winter season. 

What’s more, our French doors have multiple layers of chambers which give you optimal thermal levels and help you save on energy bills!

french doors letchworth

Glazing Options

If you are looking to get your hands on optimum quality, our French Doors come in two different glazing options: double and triple. 

This glazing helps keep external noise of up to 31 db outside, ensuring your peace of mind and quiet home life. Just sit back and let us fit the glazing by measuring it to a custom size for you!

Concerned about our French doors’ durability? Rest assured knowing that they regularly undergo tests to ensure their resistance against even the harshest weather elements. 

french doors letchworth

Weatherproof Profile

Do you live in a neighbourhood that is regularly flooded by rain?

Letchworth can be home to intense weather conditions such as rain and snow, and your doors should be prepared to resist it. 

Thanks to a patented bubble gasket by Liniar, an important supplier in the home improvement industry, our French doors are strongly water-proof. 

How does this happen? Well, as the gasket squeezes out to create a large weather seal, it prevents water particles and stops draughts from seeping through. 

french doors letchworth

Low U-values

To make sure your home is retaining as much heat as possible, you want your doors to reflect just that. That is why our French doors are a perfect choice, built with high quality and lead free uPVC that is environmentally friendly and 100% recyclable. 

To assure maximum insulation and savings on energy costs, double glazed French doors contain U values as low as 1.3 while triple glazed windows include U values as low as 1.0. 

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Colour Options

Glass Options

Woodgrain Foils Northampton
Woodgrain Foils Quotes Northampton
Anthracite Grey
uPVC Window Colours Milton Keynes
Agate Grey
Woodgrain Foils Prices Northampton
Chartwell Green
Woodgrain Foils Quotes Milton Keynes
Woodgrain Foils Costs Milton Keynes
Golden Oak
Woodgrain Foils Prices Milton Keynes
Irish Oak
Woodgrain Foils Milton Keynes
Range Of Colour Options
More Available
French Doors Prices Northampton
french doors letchworth

Low Threshold Option

If you are a homeowner hoping to make your Letchworth property easily accessible to all visitors, low thresholds can help you achieve that.

You’ll find the threshold as the raised step below our French doors, which can be lowered into the floor to make it easier for people with specific accessibility requirements to enter your home.

You can opt to have your French doors fitted with low thresholds of as low as 15mm, which is the right size for families and individuals with prams or wheelchairs.

To guarantee even safer accessibility and prevent any accidents from taking place, you can fit your French doors with Liniar’s 24mm thermally broken threshold that comes with M compliance when installed with a single or double ramp.

Learn More
french doors letchworth

Sustainable French Doors

At Fenster, we take careful measures to ensure that the suppliers we work with are positively and sustainably contributing to the environment.

That is why we’ve proudly partnered with Liniar, whose French doors are completely lead free and safe from excreting any dangerous substances.

Not to mention that you can repurpose and use these French doors to create more updated window profiles in the future, saving more than half the energy that would otherwise be used to manufacture them from scratch!

Because they source large amounts of natural lighting, our French doors save you from the trouble of turning on the heating, giving you and your loved ones the comfort of staying warm for longer and at a much cheaper cost.


French Doors Prices Letchworth

You’ve heard it all from us, now we can’t wait to hear from you! Once you’ve designed your dream French door, get in contact with Fenster to supply you with a product that guarantees tried and tested quality and assurance. 

To inquire about prices, contact us online or call our office on 01908 429200. We will give you an approximate quote that best fits your budget and answer any questions you may have.

We look forward to providing you with your ideal doors for your Letchworth home! 


Our French Doors Brochure

Flick through our French doors brochure to see our options for our double doors.

Frequently Asked Questions

Here, we have put together some of the most common questions that customers have asked regarding our french doors. We hope that this helps you. If you still can’t find what you’re looking for, get in touch with our expert team of staff online today.

Are you accredited?

Fenster Glazing are home improvements specialists, a fact supported by our accreditation from FENSA. This ensures that products like our French doors are thermally efficient and building regulation compliant.

How can I find prices?

What other home improvements do you offer?

Do you provide a guarantee?

Do you use your own installers?

Are there any hidden fees?

Do you charge for a consultation?

What energy ratings come with your windows and doors?

Do you dispose of the old windows and doors?

What areas do you cover?

Do you have a showroom?

Doors Prices Northampton

Get in Touch

We welcome our homeowners to get in touch with us either over the phone or by email anytime. With our expert help and advice, you could develop the perfect home improvements to suit your property's style. Talk to some of our friendly staff today!

Contact Us
Doors Costs Northampton

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Get a bespoke quote on the product that you choose by using our online quoting tool. Whether you're after a new set of windows, a front door or our other services, you can easily get an estimate from us.

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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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