Aluminium doors, windows
321 windows and double glazing offer uPVC windows products of the highest quality, with a wide choice of glass and window styles and colour of PVCu frames. We have experienced friendly double glazing fitters, primarily carpenters of the highest quality to install your products. 
6 Panel grey bifold doors in aluminium profile (colour is inside and out)
We offer the highest energy rated windows on the market. Many of our windows are made from 100% recycled UPVC components, so they’re not just high quality, they’re sustainable too.
white Pvc window
For added peace of mind, all of our UPVC windows come with a high security frame with a multi-point locking system.
CONSERVATORY CONVERSIONS FROM £8,000.00 FOR A NEW ROOF
If you are looking for a new front door, composite door or uPVC door, or even a patio door or french doors for your home project in Fleet, Farnborough, Woking, Bracknell, here at 321 double glazing we have a range of styles to suit your home which our expert sales advisors can discuss with you when you book online today.
Lantern roofs: Prices from £1200.00 supply only
WITH
SINGLE ALUMINIUM WINDOW
PORCH ROOF WITH FRENCH DOORS
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TIMBER BUILDINGS
roof lantern