Composite doors, explained without the sales pitch
UK composite door guidance

Composite doors, explained without the sales pitch

What a composite door really costs supplied and fitted, how it compares with uPVC, the common UK brands, what a front door costs, and the security standards that matter. Every figure is a range, with its source.

£900–£2,000+ supplied & fitted~£1,500–£2,000 typical front doorPAS 24 the security benchmark
Sourced UK guidancecost guides & security standardsRanges, not promisesprices depend on your doorVetted installerschecked & introduced

In 40 seconds

A composite door in the UK typically costs £900–£2,000+ supplied and fitted, with a typical mid-range front door usually landing around £1,500–£2,000 including the door, fitting, VAT and removal of the old one. Budget options can start nearer £850–£1,200, while premium doors with colour, decorative glass and upgraded hardware reach £2,000–£3,000+. A composite door usually costs around 40–60% more than a comparable uPVC door, but tends to last longer — roughly 30–35 years against 20–25 years for uPVC — and its solid, thicker construction is generally more secure. On security, the figure to look for is PAS 24 (the benchmark behind Part Q of the Building Regulations), ideally with Secured by Design accreditation and a TS007 3-star cylinder. The honest answer is always a range, because it depends on your door size, style, glazing and hardware.

Most door pricing is published by companies selling doors, so the headline numbers tend to be optimistic and the security detail glossed over. The pages below give honest cost ranges, compare composite with uPVC fairly, explain the common UK brands, and set out the security standards — before you take a single quote.

£900–£2,000+
supplied & fitted
~40–60%
more than uPVC
~30–35 yrs
typical lifespan
PAS 24
security benchmark

Cost & pricing

What a composite door actually costs supplied and fitted in the UK.

Cost

How much does a composite door cost in the UK?

Typical supplied-and-fitted price ranges, what moves the figure, and how side panels, glazing and hardware change the number.

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Value for money

Are composite doors worth the money?

An honest look at whether a composite door justifies its higher price over uPVC, weighing durability, security, insulation and longevity.

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Back door cost

How much does a composite back door cost?

Typical UK prices for a composite back door supply-only and fitted, and why back doors often cost a little less than front doors.

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Supply-only cost

How much is a composite door supply-only (no fitting)?

Indicative UK supply-only prices for a composite door, what you do and do not get, and the responsibilities you take on by skipping fitting.

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Fitted cost

How much does a composite door cost fitted?

The full fitted cost of a composite door in the UK, combining the door, labour, removal and any frame or threshold work.

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Side panels cost

How much do composite doors with side panels cost?

Indicative UK prices for a composite door with one or two side panels, and why the extra glazing and wider frame add to the cost.

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French doors cost

How much do composite French doors cost?

Indicative UK prices for composite French doors supply-only and fitted, and how they compare with single composite doors and bifolds.

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Composite door cost

How much does a composite door cost in the UK?

Typical UK price ranges for a composite door supply-only and fitted, plus the factors that move a quote up or down.

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Price factors

What affects the price of a composite door?

The main factors that move a composite door quote up or down, from size and glazing to colour, hardware, frame and fitting scope.

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Comparison & choosing

Composite versus uPVC doors, compared fairly.

Vs uPVC

Composite vs uPVC doors — which should you choose?

Cost, lifespan, security and looks for each, and how to weigh them for your home rather than a brochure default.

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Door security

What makes a composite door good for security?

The features that make a UK composite door secure: certification, cylinders, multipoint locks, glazing and fitting.

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Pros and cons

What are the pros and cons of composite doors?

An honest look at the advantages and drawbacks of composite front doors for UK homes.

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Composite vs aluminium

Composite vs aluminium doors?

How composite and aluminium front doors compare on style, strength, insulation, maintenance and price in the UK.

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Composite vs timber

Composite vs wooden (timber) doors?

How composite and solid timber front doors compare on looks, maintenance, security, insulation and price in the UK.

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GRP vs ABS skin

GRP vs ABS composite door skins — what's the difference?

How GRP and ABS outer skins on composite doors compare on durability, grain, colour and weather resistance in the UK.

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Choosing a door

How do you choose a composite door?

A step-by-step guide to choosing a UK composite door, covering core, skin, security, glazing, colour and installer checks.

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Solid vs foam core

Solid-core vs foam-filled composite doors?

How solid timber-core and foam-filled composite doors compare on strength, insulation, weight and price in the UK.

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Brands & options

The common UK composite door brands, explained.

Brands

Which composite door brands are common in the UK?

The names you'll see quoted — Solidor, Rockdoor, Endurance, Composite Door Co and others — and how they tend to differ.

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Customisation

How customisable are composite doors?

How far you can customise a UK composite door, from colour and glazing to hardware, size and door style.

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Comp Door vs Hurst

Comp Door vs Hurst composite doors?

How Comp Door and Hurst composite doors compare on construction, security, style and supply in the UK.

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Door colours

What composite door colours are available?

The range of composite door colours available in the UK, from classic shades to dual-colour and wood-grain finishes.

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Glass options

What glass and glazing options do composite doors have?

The glass and glazing options for composite doors in the UK, from clear and obscure to decorative, toughened and laminated.

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Guarantees

What guarantees and warranties do composite doors come with?

What composite door guarantees typically cover in the UK, including the slab, hardware, glazing and installation.

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Hardware options

What handles, locks and hardware come with composite doors?

The handles, locks, letterplates, knockers and finishes available for composite doors in the UK.

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Solidor vs Rockdoor

Solidor vs Rockdoor — how do they compare?

How Solidor and Rockdoor composite doors compare on construction, skin, security, style and price in the UK.

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UK door brands

Which composite door brands are common in the UK?

An overview of well-known UK composite door brands and what distinguishes them, from Solidor to Rockdoor.

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Front door cost

What a composite front door specifically costs to supply and fit.

Front door cost

How much does a composite front door cost to fit?

Typical fitted ranges for a front entrance specifically, and how glazing, colour, side panels and fitting move the figure.

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Cheap doors

How cheap can a composite front door be (and the trade-offs)?

How low a composite front door price can realistically go, and the honest trade-offs in core, hardware, glazing and fitting that come with the lowest-cost options.

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Colour cost

Do coloured composite front doors cost more?

Whether colour adds to a composite front door price, and how standard, bespoke and dual-colour finishes compare.

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Cost breakdown

What's in the price of a composite front door (cost breakdown)?

A line-by-line breakdown of what makes up the price of a fitted composite front door, from the door set to labour, removal and VAT.

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Fitting-only cost

What does fitting-only cost for a composite front door?

The labour-only cost of fitting a composite front door you have supplied yourself, and what the fitting work involves.

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Glazing cost

How much extra does glass add to a composite front door?

How much glazing adds to a composite front door, from a simple obscured pane to decorative bevelled and coloured designs.

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GRP vs solid-core

GRP vs solid-core composite front door — cost difference?

The cost and construction difference between a GRP-skinned foam-filled composite door and a solid-core composite door.

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When to replace

When is it worth replacing a front door with composite?

The signs that a front door is due for replacement, and when a composite door is worth the cost versus repairing what you have.

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Security & standards

How secure composite doors are, and the standards that prove it.

Security

Are composite doors secure, and what standards matter?

How composite construction resists forced entry, and what PAS 24, Secured by Design and TS007 cylinder ratings actually mean.

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Fire-rated composite doors

Are composite doors fire-rated, and when do you need one?

Whether composite doors are fire-rated, what FD30 and FD60 mean, and the situations — like flats and integral garages — where a fire door is required.

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Composite door building regs

What building regulations apply to composite doors?

The building regulations that apply to composite doors: Approved Document L (energy), Document Q (security), Document M (access) and how compliance is certified.

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Composite door locks

What locks do composite doors use (and which are most secure)?

The locks used on composite doors explained: multi-point mechanisms, euro cylinders and anti-snap TS007 3-star cylinders, and which combination is most secure.

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Composite door U-value

What U-value do composite doors have (energy efficiency)?

What U-value composite doors achieve, what the figure means, the Building Regulations Approved Document L limit for replacement doors, and how to compare.

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Document Q

Do composite doors meet Approved Document Q?

Whether composite doors meet Approved Document Q, what the security regulation requires, how PAS 24 testing demonstrates it, and when the rule applies.

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Secured by Design

What does Secured by Design mean for composite doors?

What the Secured by Design police accreditation means for composite doors, how it relates to PAS 24, and why it is a useful shorthand for a properly specified door.

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PAS 24 explained

What is PAS 24 and why does it matter for doors?

What PAS 24 is, how a door is tested against forced entry, and why it is the security standard referenced by Building Regulations Approved Document Q.

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Installation & maintenance

DIY fitting

Can you fit a composite door yourself?

Whether you can fit a composite door yourself, the skills and tools needed, the building-regulations certification issue, and when DIY makes sense versus a pro.

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Common problems

What are common composite door problems and fixes?

Common composite door problems and their fixes: stiff or dropped doors, lock issues, draughts and worn seals, and condensation — with what to check first.

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Fade, warp and sag

Do composite doors fade, warp or sag over time?

Whether composite doors fade, warp or sag, why the GRP skin resists these problems, the role of dark colours and sun, and how good fitting prevents sagging.

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Composite door fitting

How are composite doors installed?

How composite doors are installed step by step: removing the old door, fitting and fixing the new frame, hanging the slab, sealing and adjusting the multi-point lock.

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Composite door lifespan

How long do composite doors last?

How long composite doors last — typically several decades with good fitting and light maintenance — the guarantees to expect, and what shortens their life.

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Fitting time

How long does it take to fit a composite door?

How long it takes to fit a composite door — typically a few hours to most of a day — and the factors, like the opening and finishing, that change the timing.

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Adjusting the door

How do you adjust a misaligned composite door?

How to adjust a misaligned composite door: reading the gaps, using the adjustable hinges to set height and compression, aligning the keeps, and when to call a pro.

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Composite door maintenance

How do you maintain and clean a composite door?

How to maintain and clean a composite door: washing the slab and glass, lubricating the lock and hinges, checking seals and drainage, and a simple yearly routine.

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How it works

Guidance first. Quotes only if you want them.

We publish honest, sourced answers on composite door costs, how composite compares with uPVC, the common UK brands and the security standards that matter, then — if you'd like prices — match you with a FENSA-registered door installer who measures your opening and quotes on a clear specification. Costs are always shown as ranges that depend on your door, its style, glazing and hardware. No obligation, and you decide whether to proceed.