| Flat 50, Principle Point, Bridge Road East, Welwyn Garden City AL7 1HX | Flat | - | £106,030 | 2025-12-12 |
| 15, Groom Place, Welwyn Garden City AL7 1GG | Terracedd | 3 | £655,000 | 2025-12-05 |
| 49, Langstone Ley, Welwyn Garden City AL7 1FR | Semi_Detached | 4 | £542,000 | 2025-12-04 |
| 39, Langstone Ley, Welwyn Garden City AL7 1FR | Semi_Detached | 4 | £565,000 | 2025-12-01 |
| Flat 44, Waldorf House, Bessemer Road, Welwyn Garden City AL7 1GH | Flat | 1 | £235,000 | 2025-11-28 |
| Flat 72, Chrysler House, Bessemer Road, Welwyn Garden City AL7 1GS | Flat | - | £390,000 | 2025-11-21 |
| 45, Bellmont Lodge, Mundells, Welwyn Garden City AL7 1FX | Flat | 1 | £206,000 | 2025-11-07 |
| 52, Langstone Ley, Welwyn Garden City AL7 1FQ | Detached | 4 | £525,000 | 2025-10-27 |
| 28, Salmon Close, Welwyn Garden City AL7 1TR | Terracedd | 2 | £355,000 | 2025-10-10 |
| 72, Maple Grove, Welwyn Garden City AL7 1NL | Terracedd | 2 | £415,000 | 2025-10-01 |
| Flat 10, Pearmain House, Blossom Drive, Welwyn Garden City AL7 1WS | Flat | 2 | £320,000 | 2025-09-30 |
| Flat 11, Winston House, Blossom Drive, Welwyn Garden City AL7 1WT | Flat | 2 | £124,000 | 2025-09-26 |
| 58, Nursery Gardens, Welwyn Garden City AL7 1SF | Flat | 1 | £198,000 | 2025-09-25 |
| 8, Cypress Avenue, Welwyn Garden City AL7 1HN | Detached | - | £710,000 | 2025-09-24 |
| 95, Blythway, Welwyn Garden City AL7 1DL | Terracedd | 3 | £395,000 | 2025-09-22 |