| 1 | | 30 Porters Hill | Harpenden |  GB | N/A | +447788935360 | N/A | N/A |
| 2 | | 38 West Way | Harpenden | GB | | +44 7790614788 | N/A | N/A |
| 3 | | 11 St Johns Rd | Harpenden | GB | | +447855747373 | N/A | N/A |
| 4 | | 49 Grove Ave | Harpenden | GB | N/A | +44 7814008801 | N/A | N/A |
| 5 | | 94 Alzey Gardens | Harpenden | GB | | +441582621222 | N/A | N/A |
| 6 | | Southdown Industrial Estate, Irradion House, Southdown Rd | Harpenden | GB | N/A | +44 1582765522 | N/A | N/A |
| 7 | | 17 Wood End Rd | Harpenden | GB | | +44 1582765268 | N/A | N/A |
| 8 | | 67 High St | Harpenden | GB | N/A | +44 7976524316 | N/A | N/A |
| 9 | | 30 Leyton Rd | Harpenden | GB | N/A | +44 7584576211 | N/A | N/A |
| 10 | | 16 Springfield Cres | Harpenden | GB | N/A | +44 1582462490 | N/A | N/A |
| 11 | | 73 Grove Rd | Harpenden | GB | N/A | +447815802817 | N/A | N/A |
| 12 | | Townsend Nursery | Harpenden | GB | N/A | +441273761388 | N/A | N/A |
| 13 | | Station Rd | Harpenden | GB | N/A | +44 7986219782 | N/A | N/A |
| 14 | | Leyton Rd | Harpenden | GB | N/A | +447584576211 | N/A | N/A |
| 15 | | 4 Bloomfield Rd | Harpenden | GB | N/A | +44 1582763675 | N/A | N/A |
| 16 | | 9 Bewdley Cl | Harpenden | GB | N/A | +44 1582807116 | N/A | N/A |
| 17 | | 22 Prospect Ln | Harpenden | GB | | +44 7585978132 | N/A | N/A |
| 18 | | 11 Aldwick Rd | Harpenden | GB | N/A | +44 7786440454 | N/A | N/A |
| 19 | | 9 Southview Rd | Harpenden | GB | N/A | N/A | N/A | N/A |
| 20 | | 14 Lindley Cl | Harpenden | GB | N/A | +44 7939310970 | N/A | N/A |
| 21 | | 2B Clarence Rd | Harpenden | GB | N/A | +447575777720 | N/A | N/A |
| 22 | | 11 Burnsall Pl | Harpenden | GB | | +44 7985146669 | N/A | N/A |
| 23 | | 9 Bewdley Cl | Harpenden | GB | N/A | +447870208143 | N/A | N/A |
| 24 | | 49 Grove Ave | Harpenden | GB | N/A | +447960846545 | N/A | N/A |
| 25 | | 21 Queens Rd | Harpenden | GB | | +44 7713256123 | N/A | N/A |
| 26 | | 23 West Common | Harpenden | GB | | +447850775847 | N/A | N/A |
| 27 | | 40 Lower Luton Rd | Harpenden | GB | N/A | +44 7375996814 | N/A | N/A |
| 28 | | 1 Haslingden Cl | Harpenden | GB | | +44 7826839605 | N/A | N/A |
| 29 | | 8 Crabtree Ln | Harpenden | GB | | +44 1582622097 | N/A | N/A |
| 30 | | 32, Clarendon Court | Harpenden | GB | | +44 7494181184 | N/A | N/A |
| 31 | | 29 Welbeck Rise | Harpenden | GB | N/A | +44 1582621222 | N/A | N/A |
| 32 | | 12 Dickinsons Fld | Harpenden | GB | | +44 7850775847 | N/A | N/A |
| 33 | | Westgate, 6B Rosebery Ave | Harpenden | GB | N/A | +44 1582766541 | N/A | N/A |