Aluminium windows

AluK's slimline aluminium casement: 58mm system, 75mm sightlines, U-values to 1.2 and sashes up to 180kg.

A flush aluminium casement: the sash sits level with the frame, like a traditional timber flush window.

An inward-opening tilt before turn aluminium window, with sashes up to 2.3m tall and 100kg.

A hidden-sash aluminium window with a concealed handle, U-values from 0.84 and 46dB acoustic performance.

Slim and odd-leg profiles in black, with duplex grids, flat bars and leaded options for a true heritage look.

Steel-look windows made to measure in the UK, with sightlines from 59mm, astragal bars and leaded options.

Free brochure

Our complete range, in one brochure

53 pages of doors, windows, heritage glazing, roofs and glass, with our own projects throughout. Download it now and browse at your own pace.

We'll recommend the best fit for your property, budget and the look you're after.