Aluminium Windows & Doors

Slim-sightline aluminium windows and bifold door on a contemporary UK extension

Illustrative — Decalu profile, not this specific job

Priced at our typical quote level for Decalu aluminium — ex VAT, no supplier cost sheet yet so treat as a solid starting point. Exact sizes may vary the final figure slightly.

Made using Deceuninck Aluminium's Decalu system — the same fabricator-grade profile behind our uPVC range, in aluminium. Dual-colour, marine-grade, textured finish as standard, plus 16 specialist finishes matching our uPVC colour range.

Windows

Decalu88 Flush Casement

Minimalist sightlines, casement and tilt & turn options. U-values as low as 0.68 W/m²K.

Decalu94

A more traditional profile with classic detailing, for period-style properties.

Doors

Decalu88 Bifold

Individual panes fold back and stack at one end of the opening. Rated to 200kg per panel.

Decalu163 Lift & Slide

Premium sliding patio door — lifts for frictionless operation, drops into track for a weather seal. Rated to 400kg per panel, single/twin/triple-track options.

Single & French doors

Flush casement profile in single-leaf and twin-leaf configurations.

Signature Doors composite range

11 aluminium composite front doors, live-priced from £999 ex VAT — browse the range.

Common sizes, priced live

Buy now — bespoke size

4–5 week lead time.