- Postcode district
- PL25
- County or region
- Cornwall
- Survey
- Free for new and replacement doors
- Daylight
- 8 h 01 min (December) to 16 h 26 min (June)
- Nearby
- Bodmin (15 km north), Wadebridge (20 km north), Truro (22 km south-west)
Choose a door type for St Austell
Each link opens local guide prices and details for St Austell.
Daylight in St Austell and what it means for your glass
At the latitude of St Austell, the midday sun climbs to about 63° in late June but only about 16° in late December, when daylight lasts around 8 h 01 min against 16 h 26 min in midsummer. A south-facing sliding door lets that low winter sun deep into the room; on a west or south elevation, solar-control glass keeps summer afternoons comfortable.
What happens after you enquire
In St Austell the process is simple: guide price, free survey, written quote, manufacture and fitting, with the compliance certificate sent to you. Nothing is ordered until you confirm the surveyed specification in writing.
Approvals 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.
Sliding doors in St Austell: questions
Which sliding door suits a home in St Austell?
It depends on the opening and budget. uPVC is the lowest-cost option for openings up to about 3.6 m; aluminium gives slimmer frames and wider spans; slimline and lift and slide suit large, high-end openings. The survey in St Austell is the place to settle it.
How much are sliding doors in St Austell?
Guide prices are the same across mainland Britain. A 2.4 m wide aluminium door is a guide £4,295–£5,295, fitted, including VAT; uPVC starts from £1,695. Your exact price is fixed after survey.
Who fits the doors in St Austell?
Doors are fitted by installers we appoint and manage under our contract, so your contract and guarantees stay with us. The same surveyed specification goes from the quote to the factory to the fitters.

