Search over 1000 windows on SpecifiedBy, from leading Windows manufacturers including; Olsen Windows & Doors, Aluk and NorDan UK.

You can refine your search further by sub-categories of Windows, such as Casement Windows, Vertical Sliding Windows and Tilt & Turn.

Important criteria to consider when specifying Windows include; Features, Colours and Certifications.

Legend - Various Window Types

Synseal
Legend is the comprehensive 70mm window system designed specifically for the commercial market place. Legend incorporates 3 attractive trim levels and over 150 items ensuring it can tackle any issue that a commercial installation may face. The Legend system h...

Vertical Sliding Windows

Synseal
The elegant conservation grade vertical sliding PVCu sash window from Synseal provides all the benefits of period charm while retaining the high technology of PVCu at a cost-effective price. • NOW..Available with run through sash horns • 9 colourways ava...

Synerjy - Casement Windows

Synseal
Synerjy is the 4th generation window system from Synseal. Synerjy has always been about progression, taking complication out of the design and providing customers with a product that they wanted Advantages of the Synerjy Profile System • Synerjy is th...

Shield - Casement Windows

Synseal
The Shield window system was early entrant on the market and to this day is still known hand in hand with the Synseal brand. A fully chamfered , fully BBA accredited and fully kitemarked 70mm Shield window system built to exceptional standards. Advantages o...