| 1, Rosecroft Lane, Welwyn AL6 0UB | Detached | 4 | £775,000 | 2025-12-12 |
| Apartment 5, Tewin Water House, Road From East Herts Boundary, Tewin Water, Welwyn AL6 0AA | Flat | - | £835,000 | 2025-12-04 |
| 1, Honeymead, Welwyn AL6 0EG | Terracedd | 5 | £665,000 | 2025-11-28 |
| Flat 1, 80, Great North Road, Welwyn AL6 0TA | Flat | 2 | £290,000 | 2025-11-14 |
| 85, Robbery Bottom Lane, Welwyn AL6 0UL | Detached | 2 | £450,000 | 2025-11-11 |
| 4a, Heathbrow Road, Welwyn AL6 0QG | Detached | 4 | £747,218 | 2025-11-05 |
| 39, Robbery Bottom Lane, Welwyn AL6 0UL | Detached | 4 | £827,500 | 2025-10-31 |
| 25, Warren Way, Digswell, Welwyn AL6 0DQ | Detached | 5 | £1,000,000 | 2025-10-30 |
| 11, Godfries Close, Welwyn AL6 0LQ | Detached | 4 | £738,500 | 2025-10-28 |
| 2, Peace Grove, Welwyn AL6 0RS | Detached | - | £675,000 | 2025-10-24 |
| 5, Rosecroft Lane, Welwyn AL6 0UB | Detached | 2 | £520,000 | 2025-09-30 |
| 6, The Drive, Welwyn AL6 0TR | Detached | - | £1,250,000 | 2025-09-05 |
| 49, Mardley Hill, Welwyn AL6 0TT | Detached | 3 | £950,000 | 2025-09-02 |
| 22, Gwynfa Close, Welwyn AL6 0PR | Detached | 4 | £868,500 | 2025-09-02 |
| 3, Juniper Gardens, Welwyn AL6 0XH | Semi_Detached | 3 | £520,000 | 2025-09-01 |