| Berkshire Windows in Time |
| Custom uPVC/aluminium residential replacement windows, double glazing, french, sliding patio doors, conservatories and sunrooms. |
| | Bowater Home Improvements |
| PVC-U double glazing replacement windows, doors, conservatories and various roofline products manufactured and installed in the UK. |
| | Bradford Joinery Manufacturers |
| Manufacturers of timber and PVC-u windows doors and double glazed units, as well as providing a full property maintenance service. |
| | Britannia Windows |
| Manufacture, supply and install double glazing and replacement windows and doors. Based in Clevedon and supply the South West of England and South Wales. |
| | C.I.C.Screens |
| manufacturers of aluminium chain screens. Gallery and contact details. |
| | Cairngorm Windows |
| Suppliers of conservatories, replacement windows and double glazing. Details of products and enquiry form. |
| | Capital Windows |
| Offer a full range of products. Gallery and contact information. |
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