2026/27 STATUTORY & COST AUDIT • ICO REG ZC136598
GRP Composite Front Doors vs Solid Timber Core & Aluminium Bi-Fold Door Costs (2026 UK)
How much does a composite front door or 3m aluminium bi-fold door cost fitted in 2026?
In 2026, a PAS 24 / Secured by Design GRP composite front door costs £1,050 to £1,350 fully fitted, a 48mm solid timber-core composite door (Solidor/Endurance) costs £1,380 to £1,790, and a 3-pane 3.0m thermally broken aluminium bi-fold patio door costs £2,750 to £3,450 including trickle vents and Part Q multipoint locking.
| Door System | Turnkey Fitted Price (inc. VAT & FENSA) | Part L1B U-Value & Security Standard |
|---|---|---|
| GRP High-Density Foam Composite Front Door | £1,050 – £1,350 | 1.4 W/m²K • PAS 24 & TS007 3-Star Cylinder |
| 48mm Solid Timber Core Composite Door | £1,380 – £1,790 | 1.3 W/m²K • PAS 24 & Ultion 3-Star Lock |
| uPVC French Patio Doors (1.8m Wide) | £1,250 – £1,550 | 1.2 W/m²K • Multi-Point Hook Bolt |
| 3.0m 3-Pane Aluminium Bi-Fold Door | £2,750 – £3,450 | 1.3 W/m²K • Cortizo / Smart Visofold 1000 |
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