Composite back doors — from £1,295 fitted.
Full doorsets, glazed back doors and true split-opening stable doors. Every back door engineered for Cornwall's wind-driven rain, salt air and everyday family use.
Everything included in a Cornwall back door replacement.
Free on-site survey
30-minute measure and quote — every quote is fixed and in writing.
Removal & disposal
Old back door and frame taken away and responsibly disposed of.
PAS24 doorset
70mm composite slab, reinforced frame, 3-star cylinder and multi-point locking.
Stable or full-leaf
Choose a solid, half-glazed, fully glazed or split stable configuration.
Low threshold option
Aluminium low-threshold available for wheelchair and pram access.
10-year guarantee
Slab, frame, hardware and installation — all covered in writing.
Honest back door prices — Cornwall, 2026.
| Specification | Typical fitted price |
|---|---|
| Solid composite back door | £1,295 – £1,495 |
| Half-glazed back door | £1,495 – £1,795 |
| Fully-glazed back door | £1,695 – £1,995 |
| Split stable composite door | £1,895 – £2,495 |
| Coastal / marine spec upgrade | +£150 – £250 |
Why composite is the right back door for Cornwall.
Serious security
PAS24-tested doorset with a 3-star anti-snap cylinder and multi-point locking as standard.
Warm and efficient
U-values around 1.0 W/m²K — significantly better than uPVC or hardwood alternatives.
10-year colour guarantee
UV-stabilised GRP skins that hold their colour for a decade, even on south-facing frontages.
Zero maintenance
Never needs painting. A wipe with warm soapy water twice a year is all it asks for.
Kerb appeal you notice
Bespoke colour, hardware and glass combinations designed around your property.
Installed professionally
Cornwall-based, Certass-registered fitters. Same-day install with a full cleanup.
Back door questions, answered.
Related pages
- Composite doors Cornwall
- Composite door cost UK
- Front door replacement Cornwall
- Back doors Cornwall
- French doors Cornwall
- Stable doors Cornwall
- Composite door installation Cornwall
- Composite vs uPVC
- What is a composite door?
- Composite vs timber
- Endurance doors Cornwall
- Composite fire doors
- Composite door styles
- 20 composite door colours
- Composite door security
- Areas we cover in Cornwall
Get started
Book a free back door survey anywhere in Cornwall.
Free, no-obligation surveys across Cornwall. Written 10-year guarantee on every install.
