UPVC Sliding Sash Windows
Made to measure vertical sliding sash window range
Traditional timber-look sash windows in low-maintenance uPVC. 7 styles, 15 colours, A-rated 1.4 U-value, with run-through sash horns and authentic Astragal bars. Backed by a 10-year guarantee.
Configure your window
Deceuninck profile
A-rated as standard
Yale multi-point locking
Made to measure
10-year guarantee
Find the layout that fits your opening
7 vertical sliding sash configurations, all fully customisable. Sizes from 375 × 800mm up to 1500 × 2400mm.
Pick a style above to begin
Once you select a window layout, you can configure the size, colour, glazing and hardware.
Full specification
Every casement window we make is built to the same engineering standard, regardless of which configuration you pick.
Profile
Deceuninck 70 mm fully sculptured multi-chamber
Energy rating
A-rated as standard (A+ and A++ available)
U-value
1.3 W/m²K
Glazing
28 mm soft-coat low-E argon
Locking
Yale multi-point
Beading
Internally beaded
Compliance
Part L compliant
Guarantee
10 years
Size range
300–1300 mm wide × 300–2200 mm tall
Colours
16 standard colours and woodgrains
Built to last. Backed in writing.
Every window is made to your exact opening, manufactured in the UK, and protected by a comprehensive 10-year guarantee.
10
Year guarantee
A++
Energy rating available
83
Configurations
16
Colour options