By city
London 17Birmingham 10Manchester 7Leeds 7Norwich 7Sheffield 6Derby 6Bristol 6Coventry 6Swindon 6Nottingham 6Cardiff 6Huddersfield 5Milton Keynes 5Preston 5Hull 5Southampton 4Glasgow 4Cheltenham 4Edinburgh 4Peterborough 4Bedford 4Reading 4York 4
| Name | Category | Address | City | Opening times |
|---|---|---|---|---|
| Geeks Window Repairs | Window supplier | 2 Goldstone Ct | Derby | Mon–Fri 09:00–17:00 |
| Girlington Windows UK LTD | Window supplier | 25 Girlington Rd | Bradford | Mon–Fri 09:00–18:00 |
| Glass Replacements (window and door care and repair) Stockport | Window supplier | Cherry Tree Ln | Stockport | Daily 08:00–20:00 |
| Glaze-Tech | Window supplier | Unit 1B, Industrial Estate, Kingsfield Cl | Northampton | Mon 07:30–16:30 |
| Glazr Ltd | Window installation service | 173 Leads Rd | Hull | Mon–Fri 07:00–17:00 |
| Globe Home Improvements Ltd | Double glazing installer | Unit 4 C (North) Northfield Farm, Great Ln | Bedford | Mon–Fri 08:00–17:00 |
| H S Peplow & Son Ltd/ Garforth Timber ltd | Timber merchant | New Hold Industrial Estate, Aberford Rd | Leeds | Mon–Fri 07:30–17:00 |
| Heath Windows & Doors | Window installation service | 4 Bessemer Rd | Cardiff | Mon–Fri 08:00–16:00 |
| HITECH Rooflights | Skylight contractor | 3 Tresham Rd | Peterborough | Mon 09:00–17:00 |
| I Want Windows and Doors | Double glazing installer | 20 Alfric Square | Peterborough | Mon–Fri 09:00–17:00 |
| IB Windows Ltd | Window supplier | Sloper Rd | Cardiff | Mon 09:00–17:00 |
| Interseal South West Ltd | Window installation service | Unit 8, Alder Court, Bell Cl | Plymouth | Mon 08:30–17:00 |
| JC Windows UK Ltd | Window supplier | Weeton Manor, Church Rd | Preston | Mon–Sat 09:00–17:00 |
| JR Roof Top Windows | Velux Roof Window & Skylight Specialists | Skylight contractor | 3 Thornbury Avenue, Ligoniel Rd | Belfast | Thu 08:00–18:00 |
| K & M Installs Ltd | Window installation service | 273 Heywood Rd | Manchester | Mon–Fri 09:00–17:00 |
| Kingfisher Windows | Window installation service | Unit T, Gildersome Spur | Leeds | Mon–Fri 09:00–16:00 |
| Kingsway Windows Ltd - uPVC Double glazing Windows, Doors, Conservatories, Porches Manchester | Window supplier | 1 Printworks Ln | Manchester | Mon–Wed 08:00–22:00 |
| Kiwi Windows Coventry | Window installation service | Henley Business Park, Unit 5-6 Henley Rd | Coventry | Mon–Thu 08:00–16:30 |
| Lancashire Double Glazing Group Ltd | Window supplier | 213 Havelock St | Preston | Mon–Thu 08:00–16:30 |
| Law & Lewis Joinery of Cambridge Ltd | Joiner | Unit 4, Highgate Farm, Over Rd | Cambridge | Mon–Fri 08:00–17:00 |
| Legacy Staircase Carpenter | Stair contractor | 3333B Rosebury Rd | London | Mon–Fri 08:00–17:00 |
| Lite Haus UK | Window supplier | 4 Padstow Rd | Coventry | Mon–Thu 08:00–16:30 |
| London and Surrey Windows | Window installation service | 15 Church Rd | London | Mon 09:00–19:00 |
| LT Garage Doors Ltd | Garage door supplier | Unit 9, Norton Industrial Estate, Bellerton Ln | Stoke-on-Trent | Mon–Fri 08:00–17:00 |
| M F Plastics Ltd | Window supplier | Unit 18 / 22A, Bilton Industrial Estate, Factory:, Humber Rd | Coventry | Mon–Fri 09:00–17:00 |
| M G Lewis Carpentry LTD | Joiner | UNIT S4B, Wharf Way | Leicester | Mon 08:00–18:00 |
| Malbern Windows | Window installation service | Chestergate | Stockport | Mon–Fri 09:00–17:00 |
| MF Aluminium (Part of the MF Plastics Ltd Group) | Aluminium window | Unit 22A, Bilton Industrial Estate | Coventry | Mon–Fri 08:00–16:00 |
| MG Window Systems | Window supplier | Unit 1, Industrial Estate, 3 Letts Rd | Northampton | Thu 07:30–16:30 |
| Mitchell & Davis Construction Ltd | Home builder | 351 Moss Bank Way | Bolton | Mon–Fri 08:30–16:30 |