How Much Does It Cost to Install French Doors in the UK (2025)

French doors can lights homes up and are a great add on to homes, be it for aesthetics or connectivity to the patio or garden area. But how much is paying for french doors worth in 2025?

In this guide, we discuss the costs attributed to the installation of french doors, replacing sliding glass ones, cost differences depending on the region, and the aspects that communicate pricing. We also help you maximize value for your money through tips on installation.

How Much Does It Cost to Install French Doors in the UK (2025)

What are French Doors?

These doors can be installed in two ways. There are patio doors which can be installed outside the house for access and balconies, gardens, and even patios. The second a two-part piece of furniture which divides the room into two. Along with internal and external purposes, french doors offer a unique aspect of combining space. To find high-quality French doors for your home, explore our range of French doors.

✅ For replacing old doors (like sliding glass ones)

✅ For interconnecting interior rooms (dining and living room)

✅ Access to patios, balconies or gardens

Depending on the purpose, french doors and their design can be made from timber, uPVC, aluminium or composite material. Change in material and style directly affects the cost and life of the door. Having a proper understanding of the available options will enable an easier selection which looks at insulation, durability and aesthetics.

Price for Fitting French Doors British Isles (2025)

Pricing for fitting French doors will change depending on the type of materials used, the dimensions of the door, its glazing, and the cost of labor. Attending to the installation cost details below will help you know what you are working with.

1. French Door Installation Cost by Material

The type of material selected for your French doors will impact other factors such as the maintenance required and how long it lasts. In the table below, we formulate the supply and installation costs based on the selected materials.

French Door Type Supply Cost (£) Installation Cost (£) Total Cost (£)
uPVC French Doors (Standard) £900 – £1,500 £350 – £700 £1,250 – £2,200
Aluminium French Doors £1,000 – £3,000 £500 – £900 £1,500 – £3,900
Timber French Doors £1,200 – £2,500 £450 – £850 £1,650 – £3,350
Composite French Doors £1,500 – £3,000 £500 – £1,000 £2,000 – £4,000
Bespoke French Doors £2,000+ £800 – £1,500 £2,800+

👉 What Will Cost the Most:

✔ Material: While the cost of uPVC is the cheapest by far, aluminium and timber are much more expensive yet are more durable.

✔ Glazing: Most doors come standard with double glazing, but upgrading to triple glazing will easily bump the price up by 30% or more.

✔ Labor Costs: Depend on whether structural changes need to be made; installation prices vary from £350 to £1,500.

✔ Customization: Expect to pay an extra £200 – £600 for special finishes, decorative glass, or unique designs of the doors.

2. Cost of Installing French Doors Interiors and Exteriors

Interior French Doors

French doors are a wonderful option for creating divisions between rooms and still giving an open, spacious impression. It’s common to find them between living rooms and dining rooms, or as doors leading into a home office.

💰 Cost breakdown:
  • Standard Interior French Doors: £500 – £1,200 (supply)
  • Installation: £250 – £600
  • Total estimate: £750 – £1,800

👉 Best served for: Interior renovations by introducing stylish partitions that let in ample natural light. Interior French doors usually do not need as much installation work done because they do not have to be weatherproofed. This makes them more economical than exterior doors offered by other suppliers.

Exterior French Doors

These doors give remarkable access to outdoor facilities like patios and gardens. They also serve as lovely exterior doors. French doors that are used outdoors require a higher level of security and need to withstand the weather; hence their cost is greater than that of the interior doors.

💰Detailed Expenses:
  • Supply of Standard French Doors: £900 – £3,000 Installation Charges: £350 – £1,200
  • Estimated Cost from: £1,250 – £4,200

👉 Most Suitable For: Establishing a proper balance between inside and outside spaces. For maximum security and insulation purposes, multi-point locking systems and energy-efficient glazing should be added.

3. Purchasing French Doors to Replace Sliding Glass Doors

Sliding glass doors are usually replaced with French doors by homeowners looking to improve insulation, security, and aesthetics. However, changing the type of door may necessitate alterations to the existing frame, thus, increasing the installation cost.

💰Costs For Replacement:

  • £1,200 – £2,500 Small (1200mm width)
  • £1,500 – £3,000 Standard (1800 mm width)
  • £2,000 – £4,000 Large (2400mm + width)

👉 Important Factors: Fitting new French doors to the existing opening is not always possible. Structural alterations can make it add £500 – £1,500 to the total. Other plastering/painting work may be required after the installation too.

4. Variation In Cost With Region Angle

Different locations within the UK have different prices for installing French doors:

London & South East: Extra labour costs here tend to increase the cost up to 15-25%. Midlands & North West: Generally default prices for most installs.

Scotland and Wales: Costs are slightly lower because of the decrease in demand and wage rates.

Remote Areas: These locations have greater installation costs because of the travel and logistics involved.

👉Tip: Ensure you have at least three quotes from local installers to seek the best offer.

5. Security Features & Locking Systems

Upgrading the locks on French doors has fewer essential security requirements.

  • 5-lever mortice locks – £50 – £150
  • Multi-point locking system – £100 – £300
  • Smart locks – £250 – £600
  • Reinforced glass – adds £200 – £500 for additional security

🔒 Expert recommendation: Outward opening French doors need a full-length locking bolt to prevent forced entry.

6. Get the Best Price for Your French Doors Installation

We at Bowland Windows custom make French doors of the highest quality to suit your requirements.

✔ Direct from manufacturers, so cost-effective pricing.
✔ FENSA certified professionals guaranteeing expert installation.
✔ No obligation free quotes.

💬 Reach out today and get a free consultation!

Final thoughts: Is installing French doors worth it?

✔ Increases property value: Resale value has the potential to exceed £5,000.
✔ Enhances energy efficiency: Reduces heating costs with modern double-glazing.
✔ Improves aesthetic value: Classic and stylish and increases natural light.

📌 Cost Summary 2025 UK:

  • Interior French Doors: £750-£1800
  • Exterior French Doors: £1250-£4200
  • Removal of Sliding Doors and Replacement with French Doors: £1250-£4200
  • Replacement of Old French Doors: £1250-£3600

🔍 Looking for the lowest rates? Call us now and schedule a FREE estimate for your French door installation!

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