| 15, Hyde View Road, Harpenden AL5 4PA | Semi_Detached | 4 | £655,000 | 2026-02-19 |
| 13, Robin Court, Westfield Road, Harpenden AL5 4UH | Flat | 1 | £235,000 | 2026-02-13 |
| 40, Crossway, Harpenden AL5 4QU | Semi_Detached | 4 | £940,000 | 2026-01-23 |
| 80, Westfield Road, Harpenden AL5 4JU | Semi_Detached | - | £540,000 | 2026-01-22 |
| 11, Lodge Gardens, Harpenden AL5 4JE | Semi_Detached | 3 | £1,160,000 | 2026-01-08 |
| 5, Waveney Road, Harpenden AL5 4RU | Semi_Detached | 3 | £785,000 | 2025-12-12 |
| 27, Springfield Crescent, Harpenden AL5 4LG | Semi_Detached | 3 | £585,000 | 2025-12-11 |
| 11, Balfour Court, Station Road, Harpenden AL5 4XS | Flat | 2 | £331,500 | 2025-12-10 |
| 1, Byron Road, Harpenden AL5 4AD | Detached | 3 | £1,130,000 | 2025-12-05 |
| 2, Dell Close, Harpenden AL5 4HP | Terracedd | - | £268,750 | 2025-12-04 |
| 26c, Hollybush Lane, Harpenden AL5 4BA | Flat | - | £435,000 | 2025-11-26 |
| 70, Ox Lane, Harpenden AL5 4PW | Detached | 4 | £1,465,000 | 2025-10-10 |
| 17, Masefield Road, Harpenden AL5 4JS | Terracedd | 2 | £475,000 | 2025-09-19 |
| 14, St James Court, Clarendon Road, Harpenden AL5 4UW | Flat | 1 | £245,000 | 2025-09-17 |
| 2, Amberley Close, Harpenden AL5 4TX | Detached | 3 | £860,000 | 2025-09-12 |