- Postcode district
- DT11
- 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
- Wimborne Minster, Ferndown, Wareham
- Building rules
- England
uPVC sliding patio doors in Blandford Forum: what to know
Before you settle on a door type, it helps to know what uPVC sliding patio doors do well and what to check before you order.
Replacing a tired patio door in Blandford Forum? A uPVC slider usually fits the existing opening, so the job is a straight swap rather than building work.
Where a patio door in Blandford Forum opens onto a conservatory or narrow side return, a sliding panel avoids the clash a hinged door can have with furniture or a gate.
- Compressible gaskets and brush pile seals along the interlock reduce the draughts and rattles that an older patio door with worn seals often suffers from.
- 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.
- Multi-chambered uPVC profiles trap still air inside the frame, so the frame itself insulates well without needing a separate thermal break.
Light and sun in Blandford Forum
In Blandford Forum the shortest day has roughly 7 h 56 min of daylight and the longest about 16 h 31 min. The noon sun sits near 16° above the horizon in winter and 63° in summer — so glass that faces south collects useful warmth from October to March, while a west-facing door may need solar control to stop it overheating in July.
How much do uPVC sliding patio doors cost in Blandford Forum?
These are guide prices for fitted doors at a standard height, including VAT. They run from an entry-level system to a premium one at the same size; the survey confirms which suits your opening.
| Overall width | Typical panels | Guide price (fitted, inc VAT) |
|---|---|---|
| 1.8 m | 2 panels | £1,895–£2,295 |
| 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.
What happens when you order uPVC sliding patio doors in Blandford Forum?
Here is the usual sequence in Blandford Forum: guide price, free survey, written quote, then manufacture (typically 2–4 weeks from survey sign-off). Fitting typically takes 1 day for a straight swap in an existing opening. Nearby, we also survey in Wimborne Minster, Ferndown and Wareham.
Do you need approval in Blandford Forum?
In England, a replacement sliding door is a controlled fitting under the Building Regulations. In an existing home, a door with more than 60% glazing must reach a U-value of 1.4 W/m²K or better (or a Doorset Energy Rating of band C) under Approved Document L, and glass in doors must be safety glazing under Approved Document K. We arrange compliance through a competent person scheme installer or by notifying Building Control, and you receive the certificate.
Options to consider for your uPVC sliding patio door
- Threshold. A standard threshold for a straight swap, or a lower threshold where the floor build-up allows.
- Handles. Lever or pull handles in white, black, chrome or gold-effect finishes, with a key lock on the outside.
- Foiled colours. Anthracite grey, black, cream or woodgrain foils on one or both faces, for an extra charge.
Questions about uPVC sliding patio doors in Blandford Forum
Is the price different in Blandford Forum?
No. Guide prices for uPVC sliding patio doors are the same across mainland Britain, including Blandford Forum. The fitted price depends on size, system, glass and finish, and any structural work, all fixed in your written quote after survey.
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.
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.
How quickly can a uPVC patio door be fitted?
A uPVC sliding patio door is typically made in 2–4 weeks after you sign off the surveyed specification, the shortest lead time of the sliding door materials. A straight swap in the same opening typically takes 1 day, including removing the old door, fitting, sealing and making good inside. Times are typical rather than promised, and foiled colours can add a little time.

