Aluminium windows
Made-to-measure aluminium windows
Smart Alitherm 400 and Alitherm Heritage steel-look aluminium windows, made to your sizes and delivered supply only across the UK.
- Supply only — delivered anywhere in the UK
- Made to your exact sizes in mm
- Instant online price inc VAT
- Read our Google reviews
Smart Alitherm 400 & Heritage specification
- Side-hung, top-hung, fixed and tilt & turn sashes
- Heritage steel-look option with slim glazing bars
- Fanlights, mullions and transoms — set any pane width
- Polyamide thermal break, Document L compliant
- Trickle vents to Approved Document F
- Shaped gable frames available
Supply only, delivered anywhere in the UK
We're an online supplier based in Sunderland. We don't fit, so you only pay for the doors and windows, and you can use your own builder or installer.
Every order is made to the sizes you give us and delivered to your door anywhere in mainland UK. Our measuring guide shows you exactly how to measure the opening, including the cill and any frame extensions.
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