| Halton Borough Council | Runcorn | building.control@halton.gov.uk | 0151 424 2061 | Open → |
| Hambleton District Council | Northallerton | — | — | Open → |
| Hambleton District Council | Northallerton, North Yorkshire | enquiries@nybcp.org | x | Open → |
| Hammersmith & Fulham Fire Safety Centre | London | — | — | Open → |
| Hampshire Fire & Rescue Service | Eastleigh, Hants. | — | — | Open → |
| Hampshire Fire & Rescue Service | Portsmouth | — | 01705 664222 | Open → |
| Hampshire Fire & Rescue Service | Basingstoke | — | 01256 818885 | Open → |
| Hampshire Fire & Rescue Service | Southampton | — | 01703 703999 | Open → |
| Hampshire Fire and Rescue Service | Southsea | — | 02392 855180 | Open → |
| Hanna Bentley | Leeds | — | — | Open → |
| Hanna Brown | Leeds | — | — | Open → |
| Hanna Harrison | Brough | — | — | Open → |
| Hannah Baldwin & Luke Butler | Goole | — | — | Open → |
| Hannah Harrison | Brough | — | 07887930997 | Open → |
| Hannah Shooter & Nic Slack | Selby | — | — | Open → |
| Hannah Sowerbutts | Leeds | — | — | Open → |
| HANNIGAN | — | — | — | Open → |
| HARBARD | — | — | — | Open → |
| Harborough District Council | Leicestershire | — | 01858 410000 | Open → |
| Harborough District Council | Market Harborough | building.control@harborough.gov.uk | 01858 410000 | Open → |
| HARDWICK | — | — | — | Open → |
| HARDY | — | — | — | Open → |
| HARE | — | — | — | Open → |
| Harewood Construction | Leeds | — | — | Open → |
| Haringey Council | Tottenham | — | — | Open → |