| 2 Alderman Close, Welham Green, Hatfield, Hatfield | Leasehold | 55 m² | £255,000 (2021) |
| 3, Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 46 m² | £160,000 (2014) |
| 4 Alderman Close, Welham Green, North Mymms, Hatfield | - | 55 m² | - |
| 7 Alderman Close, Welham Green, North Mymms, Hatfield | - | 47 m² | - |
| 8 Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 54 m² | £210,000 (2026) |
| 9 Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 47 m² | £215,000 (2017) |
| 10, Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 46 m² | £152,000 (2006) |
| 11 Alderman Close, Welham Green, Hatfield, Hatfield | Leasehold | 47 m² | £57,500 (1999) |
| 12 Alderman Close, Welham Green, North Mymms, Hatfield | - | 48 m² | - |
| 13 Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 46 m² | £200,000 (2022) |
| 14 Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 53 m² | £86,350 (2001) |
| 15, Alderman Close, Welham Green, North Mymms, Hatfield | - | 46 m² | - |
| 17 Alderman Close, Welham Green, Hatfield, Hatfield | Leasehold | 46 m² | £144,500 (2008) |
| 18, Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 56 m² | £94,950 (2001) |
| 20, Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 55 m² | £124,000 (2005) |
| 21 Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 46 m² | £151,000 (2013) |
| 23 Alderman Close, Welham Green, North Mymms, Hatfield | Leasehold | 47 m² | £220,000 (2019) |
| 24, Alderman Close, Welham Green, North Mymms, Hatfield | - | 55 m² | - |
| 25, Alderman Close, Welham Green, North Mymms, Hatfield | Freehold | 77 m² | £560,000 (2024) |
| 26 Alderman Close, Welham Green, North Mymms, Hatfield | Freehold | 83 m² | £570,000 (2017) |
| 27 Alderman Close, Welham Green, North Mymms, Hatfield | Freehold | 123 m² | £415,000 (2004) |
