Last Updated on 26 March 2025 by Tia Ellahi
Composite Door: Which door is best?
The best composite door depends on your needs — for budget-friendly reliability choose Door Stop, for classic strength go with Solidor, for all-round performance pick Comp Door, and for premium style and security, Smart Signature leads the way.
If you’ve been shopping around for a new composite door, you’ve probably realised something: they’re not all the same. At first glance, they might look similar, but under the surface, there’s a world of difference in how they’re built, how they perform, and what you actually get for your money.
In this guide, I’ll walk you through the key differences between our four composite door ranges — so you can choose the one that suits your home and your budget best.
What we’ll cover in this guide:
- What is a composite door, really?
- Why one “composite door” can differ so much from another
- A breakdown of the four main ranges
- FAQs
What is a Composite Door?
Let’s start with the basics. A composite door is made from multiple materials – usually a mix of a solid or foam core, a reinforced frame, and a durable skin – all brought together to offer better performance than traditional timber or uPVC alone. They’re designed to give you the best of all worlds: strength, thermal efficiency, security, and style.
But just because two doors are labelled “composite” doesn’t mean they perform the same.
That’s where things get interesting…
The Truth Is: Not All Composite Doors Are Created Equal
At GFD Homes, we offer four composite front door ranges, each carefully chosen to meet different needs, budgets, and tastes. Here’s how they stack up.
🚪 Door Stop Composite Doors – The Budget-Friendly Choice
If you’re looking for a reliable, entry-level option, the Door Stop range is a great place to start. These GRP (glass-reinforced plastic) doors are lightweight but surprisingly strong, with a solid foam core that delivers good insulation.
Why choose Door Stop?
- Ideal for landlords, quick flips or first-time buyers
- Affordable composite door prices without compromising basic quality
- Popular styles and colours available
- Great for replacing tired uPVC or timber doors on a budget
Things to note:
You’ll get a good door, but don’t expect ultra-thick slabs here.
🛡️ Solidor Composite Doors – Built to Be Solid
Solidor steps things up with a timber core, which makes these doors heavier, thicker (48mm) and extremely durable. If you want the feel of a traditional timber door but with modern performance, Solidor is a strong contender.
Why choose Solidor?
- Solid timber core = strong and secure
- Huge range of traditional and modern designs
- Trusted British-made brand
- Excellent for homes needing classic charm and substance
Keep in mind:
Timber cores are more susceptible to expansion in extreme weather, so installation accuracy is key.
🌿 Comp Door Composite Doors – The Smart Middle Ground
Comp Door hits the sweet spot for many of our customers. It combines a timber core with improved thermal performance (thanks to a dedicated moisture barrier and enhanced seals), and comes in at a competitive price.
Why choose Comp Door?
- 48mm solid timber core, just like Solidor
- Better energy efficiency than many timber-core rivals
- Great weather resistance – less chance of swelling or sticking
- Flexible customisation and excellent value
Top tip:
If you love the idea of a solid door but worry about long-term warping, Comp Door is worth serious consideration.
✨ Smart Signature Aluminium Composite Doors – The Next Generation
Welcome to the future of composite doors. Our Smart Signature Aluminium Composite Door range blends everything we love about composite doors — and adds the power of aluminium.
Why choose Smart Signature?
- 60mm thick aluminium door slab for unbeatable strength and security
- Twin weather seals and thermal break for class-leading energy efficiency
- Stunning textured powder-coated finishes with a 25-year guarantee
- Matching door, frame and hardware = flawless aesthetics
- Backed by a £4,000 security guarantee
The verdict?
If you want high-end looks, top-tier performance, and a door that genuinely stands the test of time, Smart Signature is your best bet.
So… Which Composite Door Is Right for You?
Here’s a quick summary to help you decide:
| Range | Best For | Highlights |
| Door Stop | Budget-conscious upgrades | Simple, cost-effective, popular styles |
| Solidor | Traditional feel + strength | Timber core, chunky feel, secure, plenty of styles |
| Comp Door | Energy-conscious, all-round value | Great sealing, timber core, stylish options |
| Smart Signature | Premium performance + aesthetics | Aluminium strength, 25yr paint guarantee, PAS24 + more |
Treat Yourself & Your Home to a New Composite Door This Year
Choosing the right composite door doesn’t have to be overwhelming — especially when you know the differences that matter. Whether you’re upgrading on a budget, adding kerb appeal to your forever home, or looking for high-end performance and finish, there’s a perfect door waiting for you in our range.
👉Ready to explore your options? Head over to our website to browse our full selection of composite front doors and get an instant online quote in minutes.
Got questions or need a bit of guidance? Give us a ring on 01642 309576 — our friendly, expert team is here to help.
And if you’re still in research mode, our GFD Homes blog is packed with helpful advice, inspiration, and expert tips to make your decision even easier.
Let’s find a door that’s right for you — one that looks amazing, performs brilliantly, and gives your home the welcome it deserves.
FAQs about a Composite Door
What is the average cost of a composite door?
Composite door prices vary depending on size, style, and range. Door Stop models start from around £568 supply-only, while high-end Smart Signature doors can be £1,500+. We recommend using our door designer to get a personalised price.
Can you put a window in a composite door?
Absolutely – glazed composite doors are a popular choice. From frosted side panels to decorative glass units, all our ranges offer glazed options to let natural light in without compromising privacy or security.
Does a composite door add value to a house?
Yes! A high-quality composite front door can boost kerb appeal and energy efficiency — both of which appeal to buyers. Choose a door with a proven track record (like ours) and it’s a smart investment.
We don’t just sell doors – we’ve got plenty more to talk about..
- Entrance Doors: The unsung hero of home glow-ups
- Fire Doors & UK Building Regulations: What homeowners need to know
- Solidor Stable Doors: Half the door, twice the charm!
- Trade Composite Door: looking for trade prices? Visit our trade site, The Trade Village.
