| 49, London Road, Welwyn AL6 9HY | Semi_Detached | 3 | £580,000 | 2026-07-10 |
| 5, Tudor Road, Welwyn AL6 9JU | Terracedd | 3 | £465,000 | 2026-07-03 |
| 2, The Limberlost, Welwyn AL6 9TS | Detached | 3 | £710,000 | 2026-07-03 |
| 7, Becket Gardens, Welwyn AL6 9JE | Semi_Detached | 4 | £520,000 | 2026-06-30 |
| 20, Roman Way, Welwyn AL6 9RJ | Detached | 4 | £780,000 | 2026-06-26 |
| 18, Welwyn Hall Gardens, Welwyn AL6 9LF | Terracedd | 3 | £607,500 | 2026-06-19 |
| 8, Hammond Close, Welwyn AL6 9FH | Terracedd | 3 | £412,000 | 2026-06-19 |
| 18, Mimram Road, Welwyn AL6 9HA | Terracedd | 2 | £435,000 | 2026-05-28 |
| 34, Butterwick Way, Welwyn AL6 9GH | Semi_Detached | 3 | £730,000 | 2026-05-28 |
| 35, Parkside, Welwyn AL6 9DQ | Detached | - | £800,000 | 2026-04-30 |
| 32, Welwyn Hall Gardens, Welwyn AL6 9LF | Terracedd | - | £620,000 | 2026-03-31 |
| 9, Lynde Lodge, Butterwick Way, Welwyn AL6 9GN | Flat | - | £375,000 | 2026-03-31 |
| 19, Welwyn Hall Gardens, Welwyn AL6 9LF | Terracedd | 3 | £620,000 | 2026-03-24 |
| 5, Elmoor Close, Welwyn AL6 9PF | Detached | 4 | £696,500 | 2026-03-11 |
| 17, Norman Road, Welwyn AL6 9JW | Terracedd | 2 | £415,000 | 2026-03-10 |