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It can’t be denied that external front doors are the first thing visitors notice when they enter your home. Along with the Prime Ministers’ latest announcement that the UK is to speed up its target to cut carbon emissions (80% by 2035), the last year’s front door replacement revolution doesn’t look like it’ll be slowing down any time soon!

So, if you’re looking to invest this year’s holiday money in essential home improvements instead, it’s likely you’ve wondered what the main difference is between uPVC and composite doors. Well, carry on reading to find out!

What is the main difference between a composite door and a uPVC door?

Solidor Front Door

Light grey composite door

Essentially, the biggest difference lies in the way these fashionable doors are made and the thickness of each door panel. Around 44 – 48 mm thick, modern composite doors are almost twice the thickness of standard uPVC front door panels, which are usually 28 mm deep. Literally meaning ‘made up of several parts’, it’s clear to see how much stronger composite doors are.

There are two types of composite door; GRP composite doors and timber core composite doors. Timber core composite doors provide the most reliable front door at 48 mm thick, thanks to the intelligent combination of timber and robust thermo-plastic ABS skin. (ABS is the same material that Lego is made from!)

As you can see, composite doors offer a higher level of security than a standard uPVC door. This, of course, is evident in the price difference between these two popular front door products. Although, this shouldn’t deter homeowners from upgrading to a composite door, especially as flexible home improvement finance is a viable option through manageable monthly payments. And we’re not saying uPVC doors aren’t secure, because they are – composite doors simply offer a higher level of home security.

Take a look at these new composite doors fitted to The Roebuck public house in Ashbourne, Derbyshire

Recent TrustPilot reviews on our quality front door installations

Kildare69 – 12 April 2021

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Excellent professional service from…

Excellent professional service from start to finish. Was kept up to date by Harpreet in the office – who was very helpful and friendly.

Initial consultation to choose a new front door.

Follow up site survey to take measurements and final visit to install.

Door was installed by Steve who was friendly, courteous professional and demonstrated how the locks worked.

Door looks great.

Left everywhere clean and tidy.

Would highly recommend.


Mark Ebrey – 27 Feb 2021

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Chartwell green composite door

Chartwell Green composite door

New front door, outstanding product and service

We’ve just had a new front door fitted this week and so pleased that we bought it from Stormclad!! We couldn’t recommend them highly enough, their customer service and communication has been excellent from start to finish, very professional/faultless job done by the fitters and the door itself is amazing quality!! everything about it is really well-made with a premium finish. It’s definitely made our house feel a lot more secure and it looks great both outside and inside, certainly transformed the look of our house as you approach it. Stormclad were very knowledgeable on their products, no sales pressure and we’ll use them again for sure.

Read more of our TrustPilot reviews here

Energy efficient composite doors in Nottingham, Derby and Leicester

Heating and powering buildings makes up 40% of the UK’s total energy usage, so upgrading your windows and doors makes perfect sense to cut energy bills, as well as emissions.

Installing the industry’s finest composite door brand, get creative without innovative Solidor online door designer, visit one of our Nottingham double glazing showrooms, or contact us to find out more.


Learn more about uPVC & composite doors:

The Practicalities of Owning a Composite Door

Which front door type is best for security?

Composite vs. uPVC Doors