The True Cost of French Doors in the UK (2025 Guide)

If you’re researching the cost of French doors—whether uPVC French doors, aluminium French doors, or replacement French door prices—this fully optimised guide from Value Doors covers everything you need.

Below you’ll find a clear price breakdown, comparison tables, cost-affecting factors, FAQs, and expert insights to help you make an informed decision.

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Cost of French Doors in the UK

Average French Door Prices (uPVC vs Aluminium)

Below is a UK-focused price table showing typical supply-only and fully fitted costs:

Quick takeaway:

• uPVC French doors are the most cost-effective option, ideal for budget-friendly upgrades.

• Aluminium French doors cost more but offer premium aesthetics and durability.

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What Affects the Cost of French Doors?

Here are the key factors influencing prices:

1. Door Material

• uPVC: Cheapest, energy-efficient, low maintenance.

• Aluminium: Stronger, slimmer frames, premium look.

2. Door Size

Wider openings = higher price.
Custom sizes can increase costs by 10%–30%.

3. Glazing Type

• Double glazing (standard)

• Triple glazing (+20%–30%)

• Laminated or security glass (+£150–£300)

4. Colour & Finish

• Standard white: no surcharge

• Woodgrain or coloured uPVC: +£150–£300

• Powder-coated aluminium colours: +£200–£500

5. Energy Efficiency

Options like argon-filled glass or low-E coatings can add £50–£150, but reduce heating bills long-term.

6. Security Features

• Multi-point locking (standard on most premium doors)

• Upgraded locks or hinges: +£50–£200

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Cost of Replacing Existing French Doors

If you’re replacing old French doors rather than installing in a new opening, consider:

Total replacement French door cost:
uPVC: £1,300 – £2,700
Aluminium: £2,200 – £4,500

uPVC French Doors: Cost, Pros & Cons

Typical Price: £1,200 – £2,400 fitted

Pros

• Most affordable option

• Very energy-efficient

• Low maintenance

• Wide design choice

Cons

• Bulkier frames than aluminium

• Not as strong for very large openings

Aluminium French Doors: Cost, Pros & Cons

Typical Price: £2,000 – £4,000 fitted

Pros

• Slim frames for maximum glass

• Modern, premium appearance

• Extremely strong and durable

• Best for large openings or high-traffic areas

Cons

• Higher cost

• It can require thermal breaks to prevent heat loss

Cost Comparison Listicle (Quick Summary)

If you’re on a budget… choose uPVC French doors:

• Best value

• Great energy ratings

• Versatile styles

If you want premium aesthetics… choose aluminium French doors:

• Sleek modern look

• Slim sightlines

• Strong and long-lasting

If replacing old doors… budget extra for:

• Disposal fees

• Structural adjustments

• Improved glazing/security

• Maybe look at bifold doors as an alternative

FAQs: French Door Costs in the UK (2025)

How much do French doors cost in the UK?

Most homeowners pay £1,200–£4,000, depending on material and installation requirements.

Are uPVC French doors cheaper than aluminium?

Yes—uPVC is typically 40–60% cheaper than aluminium French doors.

Do French doors cost more than sliding doors?

In most cases, sliding patio doors cost slightly more due to larger glazed areas and track systems.

How much does it cost to replace existing French doors?

Expect £1,300–£4,500, depending on the door material and any structural adjustments needed.

Are aluminium French doors worth the extra cost?

They are, if you want a modern look, slimmer frames, and long-term durability.

Do French doors increase property value?

Yes—high-quality French doors can increase kerb appeal and add value, especially when well-matched to the home’s style. You can get a new composite door at the same time and further increase the home's kerb appeal.

How long do French doors last?

• uPVC: ~20–25 years

• Aluminium: 30+ years

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Written by

Myles Robinson Marketing Director

Posted on: 27th November 2025

Topic: Advice

Myles is dedicated to sourcing and fitting the best composite doors and windows. His mission is to offer our customers exceptional deals on energy-efficient composite doors, focusing on reducing costs while making sure the most advanced technology is readily available for installation. This commitment is what motivates Myles in the door industry.