| 89, ROBBERY BOTTOM LANE WELWYN HERTFORDSHIRE AL6 0UL | £415,000 2021-02-03 detached freehold |
| 3A, MILL LANE WELWYN HERTFORDSHIRE AL6 9EY | £360,000 2021-01-29 semidetached freehold |
| 11, CARLETON RISE WELWYN HERTFORDSHIRE AL6 9RP | £799,000 2021-01-29 detached freehold |
| 30, WILGA ROAD WELWYN HERTFORDSHIRE AL6 9PS | £412,000 2021-01-29 semidetached freehold |
| BELGAE LODGE (6), TOMLINSON COURT WELWYN HERTFORDSHIRE AL6 9GE | £350,000 2021-01-29 flatmaisonette (New) leasehold |
| 15, GRANGE HILL WELWYN HERTFORDSHIRE AL6 9RH | £745,100 2021-01-29 detached freehold |
| 22, HEATHBROW ROAD WELWYN HERTFORDSHIRE AL6 0QG | £760,000 2021-01-28 detached freehold |
| 29, TURPINS RIDE WELWYN HERTFORDSHIRE AL6 0QU | £750,000 2021-01-27 detached freehold |
| 47, CARLETON RISE WELWYN HERTFORDSHIRE AL6 9RQ | £753,000 2021-01-26 detached freehold |
| 46, WILGA ROAD WELWYN HERTFORDSHIRE AL6 9PS | £430,000 2021-01-26 semidetached freehold |
| 15, REEVES COURT WELWYN HERTFORDSHIRE AL6 9FU | £1,100,000 2021-01-21 detached freehold |
| 33, BUTTERWICK WAY WELWYN HERTFORDSHIRE AL6 9GH | £785,000 2021-01-21 semidetached freehold |
| 38, MILL LANE WELWYN HERTFORDSHIRE AL6 9ET | £335,000 2021-01-20 terraced freehold |
| 12, OAKLEA WELWYN HERTFORDSHIRE AL6 0PU | £590,000 2021-01-15 detached freehold |
| 11, BARBARA COURT WELWYN HERTFORDSHIRE AL6 9GB | £180,000 2021-01-15 terraced leasehold |
| 99, ROBBERY BOTTOM LANE WELWYN HERTFORDSHIRE AL6 0UL | £625,000 2021-01-14 semidetached freehold |
| 54B, LONDON ROAD WELWYN HERTFORDSHIRE AL6 9HX | £425,000 2021-01-13 terraced freehold |
| 59, WARREN WAY WELWYN HERTFORDSHIRE AL6 0DL | £840,000 2021-01-12 detached freehold |
| 13, WINDSOR ROAD WELWYN HERTFORDSHIRE AL6 9JH | £327,500 2021-01-08 terraced freehold |
| 6, CHURCH STREET WELWYN HERTFORDSHIRE AL6 9LX | £325,000 2021-01-08 terraced freehold |