Grosvenor Windows are a family run company, offering a comprehensive range of Windows, Doors and Conservatories. All installations come with a full ten year guarantee and we are Certass Registered (Membership No:002683). For our retail customers we can provide an "A" Rated Window with the latest in high security locking. For those in a conservation area there is the verticle sliding sash alternative which looks like and operates in the same way as a traditional wooden sash window. Our Door range includes standard Upvc and Composite Doors, French Style and Patio Doors. The latest addition is our Bi-folding Door which is available from 2000mm upto 6000mm for those looking for the "wow" factor. Our Bespoke Conservatories are available with the latest in glass technology, with the Pilkington Activ Range of Clear and Blue options, enabling you to enjoy your Conservatory all year round. Grosvenor Windows supply and install throughout North Lancashire and Cumbria.