| 1, Calder Avenue, Brookmans Park, Hatfield | Freehold | 371 m² | £1,500,000 (2019) |
| 1A, Calder Avenue, Brookmans Park, Hatfield | Freehold | 211 m² | £1,100,000 (2021) |
| 5, Calder Avenue, Brookmans Park, Hatfield | Freehold | 195 m² | £950,000 (2019) |
| 9 Calder Avenue, Brookmans Park, Hatfield | Freehold | 195 m² | £1,125,000 (2025) |
| 15, Calder Avenue, Brookmans Park, Hatfield | - | 227 m² | - |
| 17, Calder Avenue, Brookmans Park, Hatfield | Freehold | 198 m² | £725,000 (2011) |
| 19, Calder Avenue, Brookmans Park, Hatfield | Freehold | 282 m² | £1,095,000 (2013) |
| 23 Calder Avenue, Brookmans Park, Brookmans Park | Freehold | 239 m² | £975,000 (2013) |
| 31, Calder Avenue, Brookmans Park, Hatfield | Freehold | 211 m² | £1,015,000 (2019) |
| 39 Calder Avenue, Brookmans Park, Hatfield | Freehold | 184 m² | £835,000 (2010) |
| 43 Calder Avenue, Brookmans Park, Hatfield | Freehold | 175 m² | £1,175,000 (2025) |
| 45, Calder Avenue, Brookmans Park, Hatfield | Freehold | 107 m² | £305,000 (2014) |
| 49, Calder Avenue, Brookmans Park, Hatfield | - | 177 m² | - |
| 51, Calder Avenue, Brookmans Park, Hatfield | Freehold | 235 m² | £517,500 (2004) |
| 53 Calder Avenue, Brookmans Park, Hatfield | Freehold | 237 m² | £700,000 (2009) |
| 55 Calder Avenue, Brookmans Park, Hatfield | - | 199 m² | - |