Windows / Aluminium Windows / Smarts
Smarts Aluminium Windows
Forty years of British aluminium expertise from Smart Systems, the UK’s leading supplier of aluminium glazing systems. Explore the Smarts window ranges we build to measure and fit ourselves, from the class-leading Alitherm 400 to the heritage-approved Alitherm Heritage system.
Who they are
Smart Systems, part of the Corialis Group
Smart Systems has grown over forty years to become the UK’s leading supplier of aluminium glazing systems, designing, extruding and powder-coating every profile in-house at its own purpose-built facility in Yatton, Somerset.
40+ Years
established, part of the Corialis Group
45,000m²
purpose-built manufacturing plant in Yatton, Somerset
Cradle to Cradle
Bronze certified across five window systems
EcoVadis Platinum
sustainability rating, awarded to the Corialis Group
Explore our Smart aluminium window systems
Two systems, built to measure and fit ourselves
Both ranges are manufactured by Smart Systems and finished at their own factory in Yatton, Somerset, sold and installed by Prime Trade Windows.
Alitherm 400 Aluminium Windows
Smart’s class-leading, energy-efficient window and door system, available as fixed, side hung, top hung, tilt & turn and flush casement styles. The first UK system to feature Smart’s own Quick-Glaze Bead, cutting fabrication and installation time, and approved to PAS 24:2022 for genuine security as standard.
View Our Alitherm 400 Windows →
Alitherm Heritage Aluminium Windows
The smart solution for heritage applications — slim, steel-look sightlines with modern thermal performance and enhanced security. Designed for sensitive refurbishment and conservation-area projects, and already approved by local authorities including Islington, Camden, Tower Hamlets and Cadw.
View Our Alitherm Heritage Windows →Why choose Smart
Built for performance, finished to last
Class-leading security
PAS 24:2022 approved as standard across the Smart aluminium range.
Genuinely energy efficient
Thermally-broken profiles with U-values from 1.4 W/m²K, fully Part L compliant.
Unrivalled choice of colour
Dual-colour capability and an extensive range of finishes, powder-coated in-house at Yatton.
Smart’s Quick-Glaze Bead
The first system of its kind in the UK, with co-extruded gaskets for faster fabrication and installation.
Built to last
Low-maintenance aluminium with decades of trouble-free performance, Made in Britain.
Heritage & conservation approved
Alitherm Heritage is accepted by multiple local authorities and Cadw, the Welsh Government’s historic environment service.
Buying for trade?
Trade pricing, quoting support and a dedicated rep
Log in to see trade pricing across the full Smart aluminium range, get direct access to our quoting and ordering support, and work with a dedicated account contact.
Not trade yet?
Apply for a trade account in a few minutes — our team reviews every application and gets your login set up as quickly as possible.