| 106, ORCHARD ROAD TEWIN WELWYN HERTFORDSHIRE AL6 0LZ | £1,100,000 2020-11-12 semidetached freehold |
| 6, MIMRAM WALK WELWYN HERTFORDSHIRE AL6 9EZ | £275,000 2020-11-11 terraced freehold |
| 9, NORMAN ROAD WELWYN HERTFORDSHIRE AL6 9JW | £341,500 2020-11-06 terraced freehold |
| SADLERS LODGE, 40 (3), NEW ROAD WELWYN HERTFORDSHIRE AL6 0AH | £575,000 2020-11-06 flatmaisonette leasehold |
| 31, BECKET GARDENS WELWYN HERTFORDSHIRE AL6 9JE | £340,000 2020-11-06 terraced freehold |
| 1, WOODACRE DRIVE WELWYN HERTFORDSHIRE AL6 0UA | £450,000 2020-11-06 detached freehold |
| 38, PARKSIDE WELWYN HERTFORDSHIRE AL6 9DQ | £405,000 2020-11-05 terraced freehold |
| 1, WINDSOR CLOSE WELWYN HERTFORDSHIRE AL6 9JZ | £380,000 2020-11-02 semidetached freehold |
| 14, THE AVENUE WELWYN HERTFORDSHIRE AL6 0PN | £1,125,000 2020-10-30 detached freehold |
| 109, BURNHAM GREEN ROAD BURNHAM GREEN WELWYN HERTFORDSHIRE AL6 0NH | £920,000 2020-10-29 detached freehold |
| 15B, OAKLANDS RISE WELWYN HERTFORDSHIRE AL6 0RN | £980,000 2020-10-29 detached freehold |
| 6, OAKLEA WOOD WELWYN HERTFORDSHIRE AL6 0PJ | £817,500 2020-10-28 detached freehold |
| 95, ROBBERY BOTTOM LANE WELWYN HERTFORDSHIRE AL6 0UL | £700,000 2020-10-28 detached freehold |
| 15, BISHOPS ROAD TEWIN WELWYN HERTFORDSHIRE AL6 0NR | £1,380,000 2020-10-28 detached freehold |
| 1A, DARBY DRIVE WELWYN HERTFORDSHIRE AL6 9TE | £875,000 2020-10-26 detached freehold |
| 14, OAKHILL DRIVE WELWYN HERTFORDSHIRE AL6 9NW | £820,000 2020-10-21 detached freehold |
| YEW TREE LODGE, 8, WEST RIDING TEWIN WELWYN HERTFORDSHIRE AL6 0PD | £1,675,000 2020-10-20 detached freehold |
| GREENFINCHES, POTTERSHEATH ROAD WELWYN HERTFORDSHIRE AL6 9SY | £960,000 2020-10-19 detached freehold |
| 11A, HEATH ROAD WELWYN HERTFORDSHIRE AL6 0TP | £770,000 2020-10-16 detached freehold |
| 45, SCHOOL LANE WELWYN HERTFORDSHIRE AL6 9PQ | £560,500 2020-10-15 semidetached freehold |