| 12, The Crescent, Welwyn AL6 9JQ | Terracedd | 3 | £518,000 | 2025-11-19 |
| 80, Node Way Gardens, Welwyn AL6 9FE | Flat | 2 | £240,000 | 2025-11-14 |
| 7, Church Place, Welwyn AL6 9FB | Terracedd | 2 | £440,000 | 2025-10-29 |
| 1, St Marys Court, Welwyn AL6 9AU | Flat | - | £310,000 | 2025-10-29 |
| 6, Frythe Avenue, Welwyn AL6 9GF | Detached | 5 | £920,000 | 2025-10-16 |
| 6, Blakes Way, Welwyn AL6 9RE | Detached | 4 | £782,500 | 2025-10-15 |
| 24, Welwyn Hall Gardens, Welwyn AL6 9LF | Terracedd | 3 | £602,000 | 2025-10-09 |
| 19, Norman Road, Welwyn AL6 9JW | Terracedd | 2 | £680,000 | 2025-10-01 |
| 48, Broomfield Road, Welwyn AL6 9DW | Semi_Detached | - | £410,409 | 2025-09-05 |
| 8, Beecholme, Codicote Road, Welwyn AL6 9UJ | Flat | 2 | £370,000 | 2025-08-08 |
| 13, Butterwick Way, Welwyn AL6 9GH | Semi_Detached | - | £875,000 | 2025-08-05 |
| 26, Wilga Road, Welwyn AL6 9PS | Semi_Detached | 3 | £500,000 | 2025-07-28 |
| 54b, London Road, Welwyn AL6 9HX | Terracedd | 3 | £468,000 | 2025-07-11 |
| 3, The Crescent, Welwyn AL6 9JG | Semi_Detached | 4 | £485,000 | 2025-05-23 |
| 65, London Road, Welwyn AL6 9HU | Semi_Detached | 3 | £462,500 | 2025-05-23 |