Most UK homeowners replacing a patio door should expect to pay somewhere between about £1,200 and £6,500 supplied and fitted, with one 2026 price guide putting a typical job at around £2,200. Where you land depends on three things: the door type, the frame material and the size of the opening. Our aluminium sliding patio doors are listed from £1,077 to £2,754, and we offer both supply-only and fully fitted options, so you can see what a quality aluminium set costs before you ask anyone to quote.
This guide sets out what each type of patio door costs, what the price usually includes, where extra costs appear and how to compare quotes like for like.
TL;DR
- A like-for-like patio door replacement typically costs £1,200 to £6,500 supplied and fitted in the UK, with uPVC at the lower end and large aluminium sets at the top.
- Sliding doors, French doors and bifolds sit in different price bands, and bifolds cost the most because they need more panels, hardware and frame.
- Size, glass specification, colour and any work on the opening (a wider lintel, for example) move the price more than anything else.
- Compare quotes on the same written brief, and make sure each one states what is included, from removal of the old door to making good.
- Our aluminium sliding doors run from £1,077 to £2,754 and bifolds from £1,756 to £3,072, with delivery in 10 working days supply only or 3 to 4 weeks fitted.
Table of Contents
- What patio door replacement costs in the UK
- What our prices look like
- What moves the price of a patio door
- What a fitted price usually includes
- Supply-only or fully fitted: which makes sense?
- How to compare patio door quotes fairly
- Planning around the installation
- How long a replacement patio door lasts
- Ready to price your own opening
- FAQ
- Sources
What patio door replacement costs in the UK
Prices for patio doors vary a great deal because “patio door” covers three quite different products: sliding doors, French doors and bifolds. Each has its own typical range. The figures below come from published 2026 price guides and are planning ranges, not quotes. Your own measurements and specification decide the final number.
| Door type | Typical supplied and fitted range | Source |
|---|---|---|
| uPVC sliding patio door | £1,200 to £2,500 | Costwise, reviewed July 2026 |
| Aluminium sliding patio door | £2,500 to £4,500 | Costwise, reviewed July 2026 |
| Large or premium aluminium sliding set | £4,500 to £6,500 | Costwise, reviewed July 2026 |
| 3-panel uPVC bifold | £2,000 to £3,500 | Costwise, reviewed June 2026 |
| 3 to 4 panel aluminium bifold | £3,500 to £6,000 | Costwise, reviewed June 2026 |
| 5+ panel aluminium bifold | £5,500 to £9,000 | Costwise, reviewed June 2026 |
Prices like these move with material costs and labour rates, and guides are updated on their own schedules. Treat them as a way to judge whether a quote is in the right area, then check the latest version of the page or ask for a written quote for your own opening.
Sliding, French or bifold: which is cheaper?
In most price guides, French doors and sliding doors overlap at the lower end, while bifolds sit higher. One 2025 guide gives £1,350 to £3,550 for sliding patio doors and £890 to £3,750 for French doors, which shows how much the range depends on size and material rather than on the door style alone.
As a rule of thumb:
- Sliding doors suit wide openings and give the largest uninterrupted glass area for the money. Only one panel moves, so there is less hardware to buy than on a bifold.
- French doors are the traditional answer for narrower openings. They need clear floor space for the doors to swing, which matters in a small room or where furniture sits near the glass.
- Bifolds fold back to open up most of the wall. That flexibility costs more because of the extra panels, hinges and track.
If budget is the main concern and the opening is more than about 1.5 metres wide, a sliding door is usually the most economical way to get a large glazed area.
What our prices look like
Our published prices make a useful reference point because they are for made-to-measure aluminium, the material most people move to when they want slim frames and strong security:
| Product | Published price (one-off) |
|---|---|
| Aluminium sliding patio doors | £1,077 to £2,754 |
| Aluminium bifold doors | £1,756 to £3,072 |
| Aluminium single access doors | from £550 |
The price within each range depends on the number of panels, the width and the colour. Supply-only orders are delivered in 10 working days, and fitted orders in 3 to 4 weeks. Our patio door range includes white, anthracite grey (RAL 7016) and black finishes, with two, three and four panel layouts.
What moves the price of a patio door
The same opening can be priced very differently by two suppliers. These are the factors responsible.
Frame material
uPVC is the budget material. Aluminium costs more but allows slimmer frames, larger panes and a long service life. The 2026 Mend or End guide gives expected lifespans of 20 to 25 years for uPVC windows and 30 to 45 years for aluminium windows, so the higher outlay for aluminium is spread over more years. Patio doors follow the same material logic, though hardware wear also affects how long a moving door lasts.
Size and number of panels
Wider openings need more glass, a stronger frame and, past a certain width, an extra panel. A standard two-panel sliding set is the cheapest layout. Moving to three or four panels adds cost, but it also lets more of the opening slide open, or spreads very large panes across more manageable sections.
Glass specification
Standard double glazing is the baseline. Upgrades add to the bill:
- Triple glazing on one UK lift-and-slide system is reported to cost about £100 per square metre of glass extra.
- The same source says laminated glass typically adds £20 to £25 per panel over toughened glass. Laminated glass holds together if it breaks, which also helps with security.
If your door faces a busy road or a very sunny garden, it is worth pricing the upgraded glass at the quote stage rather than adding it later, because glass cannot be changed once the unit is made.
Security and locking
A multipoint lock, which fastens the door to the frame at several points rather than one, is the standard for modern patio doors. Our doors use advanced locking mechanisms, and security is one of the main reasons homeowners move from older sliding doors to a new set. When comparing prices, check that each quote states the locking system, because a cheaper quote sometimes assumes a simpler lock.
Work on the opening
A like-for-like swap is the cheapest job. Changing the size of the opening is not. Widening it means a new lintel (the beam over the opening) and making good the brickwork, which Costwise puts at £800 to £2,500. If you are thinking about a bigger door than the one you have, ask for the opening work to be priced separately so you can see its share of the total.
What a fitted price usually includes
A typical fully fitted quote covers the door set with frame and running gear, removal of the old doors and waste clearance, fitting into the existing opening with sealing and making good, and standard double glazing with a multipoint lock. According to the same Costwise guide, the door set and glazing usually make up 60 to 70% of the total, with fitting and the remaining work making up the rest.
For a sense of scale, Self-build.co.uk reports that a standard 4 metre wide, two-panel sliding system takes about a day to install and that installation labour is around £800 to £1,000.
Extras that are often priced separately:
- Upgraded glass (laminated, triple glazed, solar control)
- Bespoke colours or different colours inside and out
- Cills, thresholds and internal finishing
- Disposal of unusually heavy glass or old frames
- Plastering and decorating after the work
Ask each supplier to list these as included or excluded. A fitted price that leaves out making good is not comparable to one that includes it.
Supply-only or fully fitted: which makes sense?
Supply-only is right when you already have a trusted builder or a contractor team on site. It is also the choice for trade customers fitting several openings across a development. Fully fitted is the better route for most homeowners, because one company is responsible for the measurements, the door and the installation, and there is a single point of contact if anything needs adjusting.
Our supply-only doors arrive in 10 working days. Fully fitted orders take 3 to 4 weeks. Both routes use the same made-to-measure product range, so the choice comes down to who you want managing the installation.
Installation quality matters more for sliding systems than for most doors. Self-build.co.uk’s expert commentary says level, weather-tight fitting is especially important for sliding systems, because poor alignment can impair long-term operation. A door that has been fitted level glides easily for years, which is a good reason to have the measuring and fitting handled by the same team that supplies it.
How to compare patio door quotes fairly
Three quotes that look similar can differ by hundreds of pounds in what they actually cover. A simple method helps.
- Write one brief. Note the opening width and height, the number of panels, the material, the colour, the glass type and whether the old doors are being removed. MyBuildally recommends giving every supplier the same document.
- Collect at least three quotes. The same source advises three, which is enough to see a pattern without becoming unmanageable.
- Line them up in a table. Put inclusions and exclusions side by side: removal, disposal, making good, locking, glass, VAT.
- Normalise the prices. Where a quote leaves something out, add the cost of that item so every quote covers the same scope.
- Check lead time and installation date. A lower price that arrives eight weeks later may not be the better deal.
For homeowners, this takes an evening. For contractors and property managers pricing several doors, the same table scales: one row per opening, one column per supplier.
Planning around the installation
A new patio door changes how a room looks and how it is used, so a few practical decisions are worth making before the order.
- Colour. Anthracite grey and black give a modern look with slim sightlines. White suits traditional properties and matches existing uPVC windows.
- Window coverings. Large glass doors need a plan for privacy and glare. This guide to blinds for sliding doors explains what works on a moving panel and what tends to catch on the track.
- Interior finishes. Floors, skirting and plaster reveals all meet the new frame, so allow for decoration after fitting.
- Matching windows. If the rest of the house has older windows, pricing new windows at the same time can make the whole elevation consistent. We also supply uPVC and aluminium windows.
How long a replacement patio door lasts
A well-fitted aluminium patio door can last for decades, and sealed double-glazing units typically last 15 to 20 years, according to Mend or End. The glass is therefore the part most likely to need attention first, while the frame carries on. Keeping tracks clean and checking seals once a year is the main maintenance, and it keeps the door sliding smoothly.
Our view on getting the best value
We build our patio door range around the things homeowners tell us matter most: a secure lock, a frame that does not need repainting, and a straightforward route from measuring to a finished opening. Aluminium suits that brief well, which is why our sliding and bifold doors are made to measure in aluminium, with two, three and four panel options for sliding doors.
Value is not only the headline price. It is the price of a door that slides easily in year ten, that locks at multiple points and that was ordered without a string of surprise extras. That is why we publish our price ranges openly and offer both supply-only and fully fitted options: you decide how much of the job you want us to take on.
Speed matters too. Supply-only orders reach you in 10 working days and fitted orders in 3 to 4 weeks, so a door replacement does not have to disrupt the house for long.
the author
Ready to price your own opening
If you know the width and height of your opening, you can see where your door sits in the range today. Our aluminium sliding patio doors are made to measure and available in white, anthracite grey and black, supply only or fully fitted. If you want a folding door instead, take a look at our aluminium bifold doors.
For a wider look at the options and what to check before ordering, our patio door replacement guide goes through the process step by step. Trade buyers and property managers pricing several openings can also order through the same range from our homepage.
FAQ
What is the average price to replace a patio door in the UK?
Most jobs fall between £1,200 and £6,500 supplied and fitted, with a typical figure of around £2,200 in one 2026 guide. The low end is a standard uPVC sliding set and the high end is a large or premium aluminium system. Our published aluminium sliding door prices run from £1,077 to £2,754.
Which is cheaper, patio doors or French doors?
They overlap heavily. For a standard opening, French doors and two-panel sliding doors are often close in price, while sliding doors become the better value as the opening gets wider and you need more glass. Material has a bigger effect on the price than style, so compare uPVC with uPVC and aluminium with aluminium.
How long does a patio door replacement take?
The fitting itself is usually quick. A standard two-panel sliding system takes about a day, longer if the opening is being widened. With us, supply-only orders are delivered in 10 working days and fitted orders take 3 to 4 weeks from order.
Does the price include removing the old door?
A typical fitted quote includes removal of the old doors and waste clearance, along with sealing and making good around the frame. Decoration afterwards is usually separate, so confirm it in writing.
How long will new patio doors last?
The frame can last for decades in aluminium, while sealed glazing units typically last 15 to 20 years. Regular cleaning of the track and seals helps the door run smoothly throughout.
Sources
- Costwise: Patio door replacement cost calculator UK 2026
- Costwise: Bifold doors cost calculator UK 2026
- Self-build.co.uk: How much do sliding patio doors cost in 2026?
- Mend or End: Home structure repair vs replace UK 2026 guide
- MyBuildally: How to compare builder quotes in the UK
- Blinds for sliding doors: what works and what to avoid
