UPVC Aluminium A-Rated. Window Energy Ratings FAQ’s WER A, B, C Rated Windows, Doors, and Conservatories. Energy efficient windows with double – or even triple glazing – will not only fill your home with natural light but keep your home secure and warm for years and years to come.

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Recommended Trusted Company MPN Windows Supplier Installers and Fitters in South, West, Mid, Glamorgan, Wales.