Doors
Replacement doors
A new door fitted costs roughly £700 for uPVC up to £7,500 for a wide aluminium bi-fold. For a front door, composite is the usual recommendation at £900 to £2,350. Whatever the material, the locking system and the cylinder matter more for security than the door itself.
Start with what the door has to do. A front door is mostly a security and insulation decision, a back door is a durability one, and a patio opening is a question of how you want to use the space.
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Front doors
£900 – £2,350 fitted
A new front door costs £700 to £2,800 fitted. Composite, uPVC, aluminium and timber compared, and why the lock matters more than the door.
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Composite doors
£900 – £2,350 fitted
Composite doors cost £900 to £2,350 fitted. Solid timber core versus foam, what thickness to ask for, and the security specification worth insisting on.
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uPVC doors
£700 – £1,400 fitted
uPVC doors cost £700 to £1,400 fitted. Where they make sense, why cheap ones drop on their hinges, and the cylinder upgrade worth paying for.
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Aluminium doors
£1,400 – £2,800 fitted
Aluminium doors cost £1,400 to £2,800 fitted. Why the material handles tall, heavily glazed doors, and how to match it across the house.
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Bi-fold doors
£3,000 – £7,500 fitted
Aluminium bi-fold doors cost £3,000 to £7,500 fitted. Panel counts, why you need a traffic door, and how they compare with sliding doors.
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Sliding patio doors
£1,500 – £4,000 fitted
Sliding patio doors cost £1,500 to £4,000 fitted. Bigger panes than bi-folds, no lost space, and why lift-and-slide changes how they feel.
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French doors
£1,200 – £2,950 fitted
French doors cost £1,200 to £2,950 fitted. Usually the sensible answer up to two metres, with no track or running gear to wear out.
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Back doors
£700 – £1,400 fitted
A back door costs £700 to £1,900 fitted. Why heavy use and poor visibility make the locking specification matter more here, not less.
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Stable doors
£900 – £2,350 fitted
Stable doors split so the top half opens on its own. What they cost, where they earn their place, and the hardware that keeps them working.
Choosing
The security specification that actually matters
People choose a door on appearance and assume security came with it. It mostly did not. Three things do the work, and all three are worth naming on a quote.
- A PAS 24 tested doorset, meaning the whole door and frame were tested together, not just a PAS 24 lock dropped into an untested door.
- An anti-snap cylinder to TS007 three-star or Sold Secure Diamond. Cylinder snapping is still one of the most common ways a door is defeated, and the upgrade is cheap.
- Laminated glass in any pane within arm's reach of the handle. Toughened glass shatters out of the way; laminated stays in the frame.
For which material suits your entrance, start at front doors. For how composite doors are actually built, read composite doors.