Welcome to
Capital Windows

Capital Windows Celebrating 40 Years

We offer an extensive choice of New Generation Aluminium windows and entrance doors, composite doors, patio doors, Bi-fold doors to the discerning home owner. Energy efficient and with enhanced security features, our windows and doors will add comfort and value to your home.

All of our bespoke double-glazed windows, entrance and patio doors are available in a wide choice of colours and finishes. Click the links below to view details of our extensive ranges.


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About Capital Windows

For over 40 years, we have been a specialist designer, supplier and installer of the latest generation, innovative and technologically advanced windows, doors, bifolding doors and glazed home improvement solutions.

Our product range is diverse as we provide the biggest choice of home improvement products from the leading names and systems companies.

Capital Windows supplies and installs individual windows and doors to discerning customers that call on us for our three decades of expertise and know-how as manufacturers and installers of tailored and individual windows and doors. Read more…

Black Powder Coated Sliding Door
40 Years

Residential, Commercial & Trade Services

The home improvement industry has undergone many changes over recent years. These include changes in building regulations, product specifications, increasing window energy ratings and new technology in windows, doors and glass.

Some Of The Amazing Brands & Standards Capital Windows Work With:
Trade Aluminum Sliding Patio Doors
Contemporary Aluminium
Trade P15 Latest Generation