- Postcode district
- CR5
- Survey
- Free for new and replacement doors
- Typical lead time
- Typically 2–4 weeks from survey sign-off
- Guide price
- From £1,695 inc VAT
- Nearby
- Purley, Carshalton, Sutton
- Building rules
- England
Is a uPVC sliding patio door a good fit for your home in Coulsdon?
Here is what to weigh up if you are considering uPVC sliding patio doors for a home in Coulsdon:
Where a patio door in Coulsdon opens onto a conservatory or narrow side return, a sliding panel avoids the clash a hinged door can have with furniture or a gate.
If the windows on your Coulsdon home are white or woodgrain uPVC, uPVC sliding patio doors in a matching finish keep the rear of the house looking uniform.
- Shoot-bolt or hook locking on the sliding panel, plus anti-lift devices, help stop the panel being lifted or levered out of the frame from outside.
- As the least expensive sliding door material, uPVC lets you replace a draughty older patio door with modern double glazing on a modest budget.
- uPVC frames never need painting or staining; an occasional wipe with warm soapy water keeps white or foiled finishes looking clean.
Daylight in Coulsdon and what it means for your glass
Sun angles matter for big glazed doors. Around Coulsdon, midday sun reaches about 62° in summer and drops to about 15° in winter. That low winter sun is free heat through south-facing glass; high summer sun is easier to shade with a roof overhang, and solar-control glass helps where there is none.
uPVC sliding patio doors prices in Coulsdon
Guide prices are the same across Greater London: the fitted price depends on the size, system and specification, not your postcode. These figures are for a standard 2.1 m high door, fitted, including VAT and removal of an old door of similar size.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 2.1 m | 2 panels | £1,995–£2,495 |
| 2.4 m | 2 panels | £2,195–£2,695 |
| 3.6 m | 3 panels | £2,895–£3,495 |
See every size on the uPVC sliding patio doors page or try the guide price tool.
From survey to fitted door in Coulsdon
A surveyor visits your Coulsdon home to measure the structural opening, check levels and the lintel, and talk through glass and finish. Once you confirm the written specification, the door is made to measure — typically 2–4 weeks from survey sign-off — and fitting usually takes 1 day for a straight swap in an existing opening. We also cover Purley (3 km north-east) and Carshalton (6 km north).
Rules for uPVC sliding patio doors in England
English Building Regulations treat a new or replacement external door in an existing home as a controlled fitting: it needs a U-value of 1.4 W/m²K or better (or Doorset Energy Rating band C) if more than 60% of it is glazed (Approved Document L), and safety glass in a critical location (Approved Document K). Compliance is arranged through a competent person scheme installer or a Building Control notification, so you get a certificate for your records.
Choosing the specification
- Foiled colours. Anthracite grey, black, cream or woodgrain foils on one or both faces, for an extra charge.
- Panel layout. Choose which side slides, or a three-panel layout for openings beyond about 3 m.
- Handles. Lever or pull handles in white, black, chrome or gold-effect finishes, with a key lock on the outside.
Questions about uPVC sliding patio doors in Coulsdon
Do I need building approval for uPVC sliding patio doors in Coulsdon?
In England a replacement door is a controlled fitting, so compliance is arranged through a competent person scheme installer or Building Control; new openings need a Building Regulations application. We confirm the right route for your property at survey, so the paperwork is in place before fitting.
How much do uPVC sliding patio doors cost?
uPVC sliding patio doors start from a guide price of £1,695 for a 1.5 m two-panel door, fitted, inc VAT, at standard 2.1 m height. A 2.4 m door is a guide £2,195–£2,695, and a 3.6 m three-panel door is around £2,895. Coloured foils, glass upgrades and a low threshold move the figure up, and the final price is fixed in a written quote after survey.
Do I need permission to replace a patio door with a uPVC slider?
In England, replacing a patio door on a house is usually permitted development if the new door looks similar, though flats, listed buildings and Article 4 areas may need consent. The work must be done by a competent person scheme installer or notified to Building Control, and the glass must be safety glazing. Wales, Scotland and Northern Ireland have their own planning and building rules.
Should I choose uPVC or aluminium for a sliding door?
Choose uPVC if budget and a quick, simple replacement matter most, and aluminium if you want slimmer frames, bigger panels or a powder-coated colour. uPVC insulates well and costs less, but its frames are wider and its panels smaller. Aluminium suits openings over about 3.6 m and modern extensions. Our aluminium vs uPVC guide sets out the differences.

