- Postcode district
- CF10
- 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
- Penarth, Dinas Powys, Caerphilly
- Building rules
- Wales
Is a uPVC sliding patio door a good fit for your home in Cardiff?
The right door depends on the opening, the room and the way you use the garden. Here is how uPVC sliding patio doors tend to work out in practice:
The rules for a replacement door in Cardiff are checked at survey, and your written quote says which approval route applies to your home.
Where a patio door in Cardiff opens onto a conservatory or narrow side return, a sliding panel avoids the clash a hinged door can have with furniture or a gate.
- uPVC frames never need painting or staining; an occasional wipe with warm soapy water keeps white or foiled finishes looking clean.
- A two-panel uPVC slider usually fits the same opening as an old patio door, so a straight swap avoids building work and typically takes a day.
- Steel reinforcement inside the main profiles keeps the frame rigid, holds the locking hardware firmly and stops the sliding panel flexing over the years.
Daylight in Cardiff and what it means for your glass
The midday sun over Cardiff ranges from about 15° at the winter solstice to about 62° at midsummer. Low-angle winter light reaches further into a room through a tall door, which is one reason taller panels are worth considering; on south or west walls, pair them with solar-control glass.
What should you budget for uPVC sliding patio doors in Cardiff?
Pricing is transparent and does not change because you are in Cardiff. The ranges below cover a standard-height door, fitted, with VAT; options are itemised in your quote.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.5 m | 2 panels | £1,695–£2,095 |
| 1.8 m | 2 panels | £1,895–£2,295 |
| 2.4 m | 2 panels | £2,195–£2,695 |
See every size on the uPVC sliding patio doors page or try the guide price tool.
From survey to fitted door in Cardiff
We plan the job around your home in Cardiff: survey first, then a written quote, then manufacture (typically 2–4 weeks from survey sign-off). The fitting itself usually takes 1 day for a straight swap in an existing opening. If you are in Penarth or Dinas Powys, the same process and prices apply.
Rules for uPVC sliding patio doors in Wales
Wales sets its own Building Regulations guidance, including Approved Document L (Wales) for energy. A replacement sliding door must meet those requirements and use safety glass, and we arrange compliance through a registered installer or the local Building Control service.
Choosing the specification
- Trims and cills. A matching uPVC cill, add-on trims and internal finishing so the new door sits neatly against existing plaster and brick.
- Glass. Toughened double glazing as standard, with laminated, obscure or solar-control units available.
- 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 Cardiff
Can you match other doors and windows in my Cardiff home?
Usually, yes. Most aluminium and uPVC systems come in standard RAL colours and finishes, and we can quote dual colour where the inside and outside need to differ. Bring photos of existing frames to the survey.
How do I maintain a uPVC sliding door?
A uPVC sliding door needs only light maintenance: wipe the frames with warm soapy water, avoid abrasive cleaners that dull the surface, and vacuum the track so grit does not wear the rollers. Lubricate the lock keeps and handle mechanism once a year. If the panel drags, the rollers can usually be adjusted rather than replaced. Check the drainage slots in the outer frame after autumn leaf fall, as blocked slots let water sit in the track.
Are uPVC sliding doors secure?
uPVC sliding doors are secure when the sliding panel has multi-point locking, anti-lift protection and steel reinforcement in the frame. Systems are available tested to PAS 24, the UK enhanced security standard for doorsets. Laminated glass adds resistance to breaking through, and a key-locking handle stops the door being opened from inside if a pane is broken.
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.

