| South Harrow Builders | 020 8423 4311 | | 45 Warwick Avenue, Harrow, HA2 8RE |  Map & Directions |
| Brockwitz A J & Sons Ltd | 020 8427 3640 | | 21 Fairfield Drive, Harrow, HA2 6PY | | Map & Directions |
| Ray Wall | 020 8248 0554 | | 371b Perwell Court, Alexandra Avenue, Harrow, HA2 9ED | | Map & Directions |
| Avenue Builders | 020 8428 8004 | | 51 The Avenue , Hatch End, Pinner, HA5 4EL | | Map & Directions |
| Holligan Construction | 020 8863 0476 | | 98 Weald Lane, Harrow, HA3 5EY | | Map & Directions |
| Relicpride Construction Ltd | 020 8381 1415 | | Clare House, Manor Park Crescent, The Quadrant, Edgware, HA8 7LU | | Map & Directions |
| Michael Brady Ltd | 020 8900 2345 | | Heather Park Drive , Wembley, HA0 1SX | | Map & Directions |
| P & F Builders | 020 8204 1265 | | 142 Langland Crescent, Stanmore, HA7 1NH | | Map & Directions |
| Wistdale Developments Ltd | 01895 635176 | | 1 Broadwood Avenue, Ruislip, HA4 7XP | | Map & Directions |
| Bunting & Son Builders | 020 8868 6365 | | 12 Eastern Avenue, Pinner, HA5 1NP | | Map & Directions |
| S I A Construction | 01923 825620 | | 15 Northbrook Drive , Northwood, HA6 2YU | | Map & Directions |
| Insight Property Maintenance | 01923 820681 | | 130 Ducks Hill Road, Northwood, HA6 2SR | | Map & Directions |
| B & P Sims | 01895 632550 | | Oak Tree House, Wood Lane, Ruislip, HA4 6EY | | Map & Directions |
| Talina Builders Ltd | 020 8908 2110 | | 7 Ravenscroft Avenue, Wembley, HA9 9TJ | | Map & Directions |
| Cafferty Construction Ltd | 020 8381 2996 | | 8 Coombe Close, Edgware, HA8 6BA | | Map & Directions |
| G Fitzgerald Construction Ltd | 01895 675112 | | 18 West Hatch Manor, Ruislip, HA4 8QT | | Map & Directions |
| Elmcroft Services | 020 8427 7000 | | 72a Belmont Road, Harrow, HA3 7PN | | Map & Directions |
| Pax Associates Ltd | 020 8903 4585 | | 23 Grand Avenue, Wembley, HA9 6LS | | Map & Directions |
| S P B Building Contractors Ltd | 020 8842 3399 | | 52 Station Approach, South Ruislip, Ruislip, HA4 6RZ | | Map & Directions |
| Z Handzel | 020 8903 5711 | | Stanley House, Stanley Avenue, Wembley, HA0 4JB | | Map & Directions |
| H Parfitt & Sons | 020 8904 8222 | | 852 Harrow Road, Wembley, HA0 2PX | | Map & Directions |
| Lynmeth Construction Ltd | 020 8904 1847 | | 73 Nathans Road, Wembley, HA0 3RU | | Map & Directions |
| Stockline | 020 8904 9090 | | 6 East Lane, Courtenay Road, Wembley, HA9 7ND | | Map & Directions |
| Halai Construction | 020 8424 9098 | | 4 Fairholme Road, Harrow, HA1 2TN | | Map & Directions |
| Hammond Builders Ltd | 020 8959 0602 | | 69 Blundell Road, Edgware, HA8 0JA | | Map & Directions |
| Amc Building Services | 020 8861 5123 | | 7 Palmerston Road, Harrow, HA3 7RR | | Map & Directions |
| J C M Construction | 020 8421 4172 | | 68 Boxtree Lane, Harrow, HA3 6JN | | Map & Directions |
| A Novel Builders | 020 8421 4874 | | 81 Hillview Road, Pinner, HA5 4PB | | Map & Directions |
| Cunningham Builders | 020 8863 3410 | | 18 Fisher Road, Harrow, HA3 7JP | | Map & Directions |
| Thomas Wrenn Homes Ltd | 020 8868 1346 | | 53 West End Lane , Pinner, HA5 1AH | | Map & Directions |
| B M S Contractors Ltd | 020 8904 0722 | | 34 The Avenue, Wembley, HA9 9QJ | | Map & Directions |
| Bellway Homes Ltd | 01895 671100 | | Bellway House, Bury Street, Ruislip, HA4 7SD | | Map & Directions |
| Paradeport Builders Ltd | 020 8904 7860 | | 105 Norval Road, Wembley, HA0 3TA | | Map & Directions |
| Andy Clarke Ltd | 01923 828018 | | 8-10 High Street, Northwood, HA6 1BN | | Map & Directions |
| Dusek Design Build | 020 8429 0004 | | 11 Hoylake Gardens, Ruislip, HA4 9SJ | | Map & Directions |
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