White Porch - Grosvenor Windows - Horwich - Bolton


New or Replacement Frames

At Grosvenor we can install windows and doors into your old porch or we can build you a complete porch. Starting with the base we construct this in line with current building regulations , We insulate all our bases and you can have dwarf walls,  upvc insulated panels or glass units with “A” Rated Super Spacer Planitherm total + argon glass , for best insulation.


Secure and Durable

All our windows and doors are fully reinforced with galvanised steel as standard. This ensure that they continue to give maximum performance year after year.

You can have Upvc doors in many colours white, rosewood , oak, grey, black, Irish Oak or you can have one of our vast range of composite doors including Veka, Solidoor, Rock, or Palladio doors. Grosvenor can also fit sliding doors or French doors to your porch.

White Flat Roof Porch - Grosvenor Windows - Horwich - Bolton
Porch Rock Door - Grosvenor Windows - Horwich - Bolton


Varied Roof Options

When it comes to the roof we have several different options. You can have a clear roof with smart self cleaning glass or a 7 Wall Heatguard polycarbonate. In solid roofs you have the option of a moulded GRP finish or perhaps you want a traditional tiled roof to match your house.

On the inside we have all the finishes you might want including tiled floors, plastering, lights and electric sockets.


Visit the Showroom

We have over 20 doors on show in our showroom, and lots of photos of installations we have done for our customers. So why not call in and discuss you requirements or phone 01204 664488 to arrange a home visit.

Showroom is open 10am to 4pm 7 days a week.

Tiled Porch - Grosvenor Windows - Horwich - Bolton
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