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About Granville Insulators Ltd

Granville is a very established and well respected window company. Most of our work comes from recommendation, something we appreciate very much. Granville Noise Insulators Limited is a Family run business which started back in 1980 and has gone from strength to strength over the years.

In a competitive and sometimes confusing double glazing market we like to think that Granville Window Company stands out because we never sell using gimmicks or trick selling in any way. We are a genuinely friendly and easy business to get on with. Nothing is too much trouble for our customers because we know your satisfaction is the key to our continued business success.


We are ISO 9001 Registered for quality assurance and members Fensa and check a trade and ISO 9001 Registered