| 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 |
| 25, ST MARYS COURT WELWYN HERTFORDSHIRE AL6 9AU | £413,000 2021-08-20 terraced freehold |
| 13, NEW ROAD WELWYN HERTFORDSHIRE AL6 0AE | £1,000,000 2021-08-20 detached freehold |
| 1, HILLSIDE WAY WELWYN HERTFORDSHIRE AL6 0TY | £775,000 2021-08-16 detached freehold |
| 49, PARKSIDE WELWYN HERTFORDSHIRE AL6 9DQ | £290,000 2021-08-06 flatmaisonette leasehold |
| 98, HARMER GREEN LANE WELWYN HERTFORDSHIRE AL6 0ES | £2,350,000 2021-08-05 detached freehold |
| 84, NODE WAY GARDENS WELWYN HERTFORDSHIRE AL6 9FE | £205,830 2021-08-04 flatmaisonette leasehold |
| BELGAE LODGE (13), TOMLINSON COURT WELWYN HERTFORDSHIRE AL6 9GE | £420,000 2021-07-30 flatmaisonette (New) leasehold |
| 89, CODICOTE ROAD WELWYN HERTFORDSHIRE AL6 9TY | £870,000 2021-07-26 detached freehold |
| 39A, UPPER GREEN ROAD TEWIN WELWYN HERTFORDSHIRE AL6 0LE | £800,000 2021-07-26 detached freehold |
| 17, ST MARYS COURT WELWYN HERTFORDSHIRE AL6 9AU | £202,500 2021-07-20 flatmaisonette leasehold |
| 29, OAKLANDS RISE WELWYN HERTFORDSHIRE AL6 0RN | £740,000 2021-07-14 detached freehold |
| 7, THE BRAMBLES WELWYN HERTFORDSHIRE AL6 0PG | £532,000 2021-07-14 semidetached freehold |
| 9A, BROOM HILL WELWYN HERTFORDSHIRE AL6 0SF | £875,000 2021-06-30 detached freehold |