| LYNDE LODGE (14), BUTTERWICK WAY WELWYN HERTFORDSHIRE AL6 9GN | £500,000 2020-09-15 flatmaisonette leasehold |
| 2, THE CHASE WELWYN HERTFORDSHIRE AL6 0QT | £685,000 2020-09-15 detached freehold |
| 5, JENNING WOOD WELWYN HERTFORDSHIRE AL6 0SL | £830,000 2020-09-14 detached freehold |
| 7, WILSHERE ROAD WELWYN HERTFORDSHIRE AL6 9PU | £425,000 2020-09-11 semidetached freehold |
| 18, NEW ROAD WELWYN HERTFORDSHIRE AL6 0AG | £1,100,000 2020-09-11 detached freehold |
| LONGRIDGE, CHESTNUT WALK WELWYN HERTFORDSHIRE AL6 0SB | £645,000 2020-09-10 detached freehold |
| 9, BIRCH GROVE WELWYN HERTFORDSHIRE AL6 0QP | £545,000 2020-09-08 detached freehold |
| 17, AYOT GREEN AYOT ST PETER WELWYN HERTFORDSHIRE AL6 9BA | £715,000 2020-09-04 detached freehold |
| 22, LOWER MARDLEY HILL WELWYN HERTFORDSHIRE AL6 0UQ | £610,000 2020-09-04 detached freehold |
| WALNUT SPRINGS, RABLEY HEATH ROAD WELWYN HERTFORDSHIRE AL6 9UA | £2,250,000 2020-09-01 otherPropertyType freehold |
| 27, UPPER GREEN ROAD TEWIN WELWYN HERTFORDSHIRE AL6 0LE | £1,200,000 2020-08-28 detached freehold |
| 15, NORMAN ROAD WELWYN HERTFORDSHIRE AL6 9JW | £385,000 2020-08-28 terraced freehold |
| LORD MEAD HOUSE AYOT ST LAWRENCE WELWYN HERTFORDSHIRE AL6 9BW | £3,150,000 2020-08-28 otherPropertyType freehold |
| 7, PURCELL CLOSE TEWIN WELWYN HERTFORDSHIRE AL6 0NN | £1,595,099 2020-08-28 detached freehold |
| 15, HARWOOD CLOSE TEWIN WELWYN HERTFORDSHIRE AL6 0LF | £425,000 2020-08-26 terraced freehold |
| LYNDE LODGE (2), BUTTERWICK WAY WELWYN HERTFORDSHIRE AL6 9GN | £106,200 2020-08-24 flatmaisonette (New) leasehold |
| 15, ST MARYS COURT WELWYN HERTFORDSHIRE AL6 9AU | £282,000 2020-08-21 flatmaisonette leasehold |
| BELGAE LODGE (12), TOMLINSON COURT WELWYN HERTFORDSHIRE AL6 9GE | £432,000 2020-08-18 flatmaisonette (New) leasehold |
| 7A, WENDOVER DRIVE WELWYN HERTFORDSHIRE AL6 9LT | £645,000 2020-08-17 semidetached freehold |
| 18, CANONSFIELD WELWYN HERTFORDSHIRE AL6 0QD | £681,000 2020-08-14 semidetached freehold |