Sliding Patio Doors Installation Cost Guide
Sliding patio door installation in the UK usually costs from around GBP 1,800 for a straightforward uPVC setup to GBP 5,500 or more for larger aluminium systems. This guide covers realistic 2026 prices, common door types, labour costs, and the extras that can push the quote up.
Get free quotes from local tradespeople
Enter your postcode to see who's available in your area
Quick Cost Summary
Prices are indicative and vary by location, property type, and specification. Always get at least three quotes.
Types of Sliding Patio Doors
uPVC Sliding Doors
uPVC systems are usually the most budget-friendly option and are commonly used for straightforward replacement projects.
Pros
- Usually the lowest upfront cost
- Low maintenance frame material
- Widely available from UK suppliers
Cons
- Bulkier frame sightlines
- Less premium appearance than aluminium
Best for: Budget-conscious replacements and standard openings
Aluminium Sliding Doors
Aluminium doors are popular for slimmer frames, larger glazed areas, and a more premium finish.
Pros
- Slimmer frames and cleaner look
- Good for larger glazed openings
- Durable and low maintenance
Cons
- Higher purchase cost
- Premium glazing upgrades can add up quickly
Best for: Modern homes, extensions, and larger patio openings
Triple-Track or Lift-and-Slide Systems
Higher-end systems offer larger openings and smoother operation but usually sit at the top end of the budget range.
Pros
- Can create wider uninterrupted openings
- Premium operation and finish
- Suitable for larger feature glazing
Cons
- Expensive compared with standard sliders
- Often needs more precise fitting and preparation
Best for: High-spec renovations and wide rear openings
The final price is usually driven by frame material, door size, glazing specification, and whether structural alterations are needed.
What Affects the Cost
- Frame material, including uPVC or aluminium
- Overall door size and number of panels
- Glazing specification and energy rating
- Whether the job is a simple replacement or a new opening
- Need for lintel work or structural alterations
- Internal and external finishing requirements
Labour Cost Breakdown
Labour is typically 30–50% of the total installation cost. The complexity of the job determines how long it takes.
What Is Usually Included
- Supply and installation of the sliding door system
- Removal of the old doors where agreed
- Fitting, adjustment, and sealing of the new frame
- Standard glazing installation
- Basic making good around the opening
Extra Costs to Expect
These aren't always required, but it's worth knowing about them before you get quotes.
Running Costs & Potential Savings
Sliding patio doors do not have meaningful running costs beyond general upkeep, but better glazing and frame quality can improve comfort and help reduce heat loss compared with older units.
Ready to get quotes?
Compare free, no-obligation quotes from trusted local tradespeople. No sign-up needed.
Get Free QuotesWhat to Check Before Hiring
Use this checklist when getting quotes to make sure you're hiring the right person at the right price.
- Confirm the exact frame material and glazing specification
- Check whether removal of old doors is included
- Ask if internal and external making good is part of the quote
- Confirm opening sizes and survey accuracy before ordering
- Check the lock specification and security standard
- Make sure any structural work is clearly priced separately
Frequently Asked Questions
How much do sliding patio doors cost in the UK?
A basic replacement can start around the lower thousands, while larger aluminium or premium systems usually cost much more.
Are aluminium sliding doors more expensive than uPVC?
Usually yes, but many homeowners choose aluminium for the slimmer frame profile and more premium appearance.
What affects the price most?
Door size, frame material, glazing spec, and whether the opening needs structural work are usually the biggest drivers.
How long does installation take?
A straightforward replacement can often be completed in a day, while more complex installs can take several days.
Do I need planning permission for sliding patio doors?
Not usually for a standard replacement, but new openings or major alterations may need approval depending on the project.
Is a like-for-like replacement cheaper?
Yes, keeping the same opening size is normally more affordable because it avoids structural changes.
Get free quotes from local tradespeople
Enter your postcode — we'll match you with available tradespeople in your area