Our Accreditations

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We also have BFRC energy ratings on Veka Fully sculptured casements.
A 1   B -4   B -8   C -19   C -20   E - 36
As well as:
Veka vertical slider - A 0
F S Tilt & Turn - B 10
Matrix 70 casement - A 1

Download Declaration of Performance

Matrix FS
Cowen Windows Ltd offers an amazing range of windows with styles to suit every kind of home or business. More »
Open up your home, with Cowen's impressive selection of beautifully secure doors for every application. More »
Enjoy the outdoors from the comfort of your favourite chair with a quality Cowens conservatory. More »
Cowen Windows offers a complete range of upvc fascias and soffits which require minimal maintenance. More »
Composite doors require virtually no maintenance and will continue to look good for years to come. More »