| 15, HEATH ROAD WELWYN HERTFORDSHIRE AL6 0TP | £900,000 2021-09-21 detached freehold |
| 14, ST MARYS COURT WELWYN HERTFORDSHIRE AL6 9AU | £335,000 2021-09-17 terraced freehold |
| OAKWOOD HOUSE, 14B, OAKLANDS RISE WELWYN HERTFORDSHIRE AL6 0RN | £1,080,000 2021-09-17 detached freehold |
| 60, HARMER GREEN LANE WELWYN HERTFORDSHIRE AL6 0AW | £1,780,000 2021-09-16 detached freehold |
| 2, DICKET MEAD WELWYN HERTFORDSHIRE AL6 9NX | £600,000 2021-09-10 detached freehold |
| 27, THE AVENUE WELWYN HERTFORDSHIRE AL6 0PW | £1,395,000 2021-09-10 detached freehold |
| BELGAE LODGE (4), TOMLINSON COURT WELWYN HERTFORDSHIRE AL6 9GE | £430,000 2021-09-09 flatmaisonette (New) leasehold |
| TEWIN WATER HOUSE (APARTMENT 2), TEWIN WATER WELWYN HERTFORDSHIRE AL6 0AA | £1,230,000 2021-09-09 flatmaisonette leasehold |
| 50A, LONDON ROAD WELWYN HERTFORDSHIRE AL6 9HX | £417,500 2021-09-09 terraced freehold |
| 17, WOODLAND WAY WELWYN HERTFORDSHIRE AL6 0RZ | £935,000 2021-09-09 detached freehold |
| 2, KINDERSLEY CLOSE WELWYN HERTFORDSHIRE AL6 9RN | £758,100 2021-09-09 detached freehold |
| 13, TURPINS RIDE WELWYN HERTFORDSHIRE AL6 0QS | £725,000 2021-09-08 detached freehold |
| 4, ST IVES CLOSE DIGSWELL WELWYN HERTFORDSHIRE AL6 0BB | £602,500 2021-09-02 semidetached freehold |
| ROSALIE, POTTERSHEATH ROAD WELWYN HERTFORDSHIRE AL6 9SU | £800,000 2021-09-01 semidetached freehold |
| 48, WILSHERE ROAD WELWYN HERTFORDSHIRE AL6 9PX | £445,000 2021-08-27 semidetached freehold |
| 8, ST IVES CLOSE DIGSWELL WELWYN HERTFORDSHIRE AL6 0BB | £650,000 2021-08-27 semidetached freehold |
| 26, BECKET GARDENS WELWYN HERTFORDSHIRE AL6 9JE | £455,250 2021-08-24 semidetached freehold |
| 25, ORCHARD ROAD TEWIN WELWYN HERTFORDSHIRE AL6 0HL | £1,425,000 2021-08-23 detached freehold |
| 4, ROSECROFT LANE WELWYN HERTFORDSHIRE AL6 0UB | £996,500 2021-08-23 detached freehold |
| 32, FIRS WALK TEWIN WELWYN HERTFORDSHIRE AL6 0NZ | £950,000 2021-08-20 detached freehold |