Flush Sash Windows

Our flush sash windows combine traditional craftsmanship with the latest in modern PVC-U technology. Designed using Deceuninck’s award-winning Heritage 2800 system, these windows feature sashes that sit perfectly flush within the frame, replicating the timeless elegance of timber without the maintenance. Every detail is engineered for performance — from outstanding thermal insulation and acoustic control to advanced security with multi-point locking. Available in a stunning selection of heritage colours and realistic woodgrain foils, Universal Windows flush sash windows are ideal for period properties, conservation areas, or homeowners seeking a refined, understated finish that never compromises on efficiency or durability.