| 1 | | 69B High St | Harpenden |  GB | | +44 1582945900 | N/A | N/A |
| 2 | | 80 Luton Rd | Harpenden | GB | | +44 7747778575 | N/A | N/A |
| 3 | | 22-24 Grove Rd | Harpenden | GB | | +44 7834373021 | N/A | N/A |
| 4 | | 10 Betjeman Cl, Cowper Rd | Harpenden | GB | | +447851766237 | N/A | N/A |
| 5 | | 30 Tintern Cl | Harpenden | GB | N/A | +447980280876 | N/A | N/A |
| 6 | | Leyton Hall, Amenbury Ln | Harpenden | GB | | N/A | N/A | N/A |
| 7 | | Girl Guide Headquarters, Townsend Ln | Harpenden | GB | | +44 7968426650 | N/A | N/A |
| 8 | | 10 Moorland Rd | Harpenden | GB | | +44 1582271582 | N/A | N/A |
| 9 | | N/A | Harpenden | GB | | +447891744426 | N/A | N/A |
| 10 | | Harpenden Conservative Club, 25 Vaughan Rd | Harpenden | GB | N/A | +44 7976375759 | N/A | N/A |
| 11 | | Energy House | Harpenden | GB | | +447714095266 | N/A | N/A |
| 12 | | 75 Ox Ln | Harpenden | GB | | +44 7903188611 | N/A | N/A |
| 13 | | 24 Wordsworth Rd | Harpenden | GB | N/A | N/A | N/A | N/A |
| 14 | | 36 Moreton End Ln | Harpenden | GB | N/A | +44 7921025788 | N/A | N/A |
| 15 | | 78A High St | Harpenden | GB | | N/A | N/A | N/A |
| 16 | | Old Rectory Cl | Harpenden | GB | N/A | +44 1582762857 | N/A | N/A |
| 17 | | 5 Betjeman Cl | Harpenden | GB | N/A | +44 7446331633 | N/A | N/A |
| 18 | | 126 Southdown Rd | Harpenden | GB | | +44 1582623013 | N/A | N/A |
| 19 | | Rothamsted Clinic, Old Batford Mill, Lower Luton Road | Harpenden | GB | N/A | +44 7956568853 | N/A | N/A |
| 20 | | 33 Pipers Ave | Harpenden | GB | | +447792788059 | N/A | N/A |
| 21 | | 1 Churchfield | Harpenden | GB | | +44 7958157688 | N/A | N/A |
| 22 | | Cravells Rd | Harpenden | GB | N/A | N/A | N/A | N/A |
| 23 | | The Pilates Workshop Energy House, 22-24 Grove Rd | Harpenden | GB | N/A | N/A | N/A | N/A |
| 24 | | N/A | Harpenden | GB | N/A | N/A | N/A | N/A |
| 25 | | Roebuck Lodge, 17A The Deerings | Harpenden | GB | | +441582462944 | N/A | N/A |
| 26 | | 2 Thompsons Cl | Harpenden | GB | | +441582462223 | N/A | N/A |
| 27 | | 29 Overstone Rd | Harpenden | GB | N/A | N/A | N/A | N/A |
| 28 | | 57 Park Rise Cl | Harpenden | GB | N/A | +447949150682 | N/A | N/A |
| 29 | | 10 Townsend Rd | Harpenden | GB | | +44 7909542453 | N/A | N/A |
| 30 | | 8 Waterside | Harpenden | GB | N/A | +441582469300 | N/A | N/A |
| 31 | | 100 High St | Harpenden | GB | | +44 2034885177 | N/A | N/A |
| 32 | | Harpenden Hall, Southdown Rd | Harpenden | GB | N/A | +44 3451651677 | N/A | N/A |
| 33 | | 10 Betjeman Cl, Cowper Rd | Harpenden | GB | | +44 7851766237 | N/A | N/A |
| 34 | | 6 Coleswood Rd | Harpenden | GB | | +44 7527017548 | N/A | N/A |
| 35 | | Annables Ln | Harpenden | GB | N/A | +44 7774101448 | N/A | N/A |
| 36 | | Wood End Primary School Junior Hall, Yeomans Ave | Harpenden | GB | N/A | N/A | N/A | N/A |
| 37 | | N/A | Harpenden | GB | | +44 7891744426 | N/A | N/A |
| 38 | | Alexandra House, Marlborough Park, Southdown Rd | Harpenden | GB | N/A | +44 7939054154 | N/A | N/A |