Any Window Made to Measure
All windows shown as viewed from outside. Red arrows indicate the hinged (opening) side.
Want detailed specs, FAQs and Building Regs notes per style? See the casement window style guide →
Cortizo Aluminium Bifold Doors — now available
3, 4 or 5 panel. Black, white or anthracite grey. 28mm toughened Low-E glass. Instant online price, free delivery, 14-day lead time. From £1,995.
Configure bifolds →
Compare the full Cortizo bifold range — 3, 4 & 5-panel doors in black, white & anthracite grey →
Looking for something different?
Anthracite grey, Chartwell green, bay windows, arched shapes, French doors, triple glazing — we make those too.
Request a custom quote →
Red arrows show the hinged side
A+ Rated White Rehau uPVC — Supply only, sill included
✓ Fire escape hinges — included as standard
✓ Multi-point locking system (PAS 24 tested)
✓ A+ energy rated — U-value 1.2–1.3 W/m²K
✓ 28mm argon-filled sealed unit, Low-E inner pane
✓ Trickle vent fitted (Part F compliant)
✓ White Rehau Total 70 profile — specs
✓ 10-year manufacturer guarantee
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