| 5, Bell Lane, Brookmans Park, Hatfield | Freehold | 307 m² | £1,415,000 (2012) |
| 8 Bell Lane, Brookmans Park, Hatfield | - | 213 m² | - |
| 12-14, Bell Lane, Brookmans Park, Hatfield | - | 213 m² | - |
| 16 Bell Lane, Brookmans Park, Hatfield | Freehold | 291 m² | £701,500 (2022) |
| 18 Bell Lane, Brookmans Park, Hatfield | Freehold | 180 m² | £1,100,000 (2023) |
| 20 Bell Lane, Brookmans Park, Hatfield | Freehold | 113 m² | £938,000 (2023) |
| 24 Bell Lane, Brookmans Park, Hatfield | Freehold | 113 m² | £610,000 (2023) |
| 28, Bell Lane, Brookmans Park, Hatfield | Freehold | 131 m² | £529,700 (2016) |
| 32 Bell Lane, Brookmans Park, Hatfield | Freehold | 105 m² | £785,000 (2024) |
| 38, Bell Lane, Brookmans Park, Hatfield | Freehold | 100 m² | £644,000 (2019) |
| 42 Bell Lane, Brookmans Park, Hatfield | - | 91 m² | - |
| 48, Bell Lane, Brookmans Park, Hatfield | Freehold | 197 m² | £550,000 (2000) |
| 50, Bell Lane, Brookmans Park, Hatfield | Freehold | 111 m² | £340,000 (2004) |
| 52 Bell Lane, Brookmans Park, Hatfield | Freehold | 130 m² | £480,000 (2012) |
| 70, Bell Lane, Brookmans Park, Hatfield | - | 262 m² | - |
| 72, Bell Lane, Brookmans Park, Hatfield | Freehold | 187 m² | £1,150,000 (2014) |
| 74, Bell Lane, Brookmans Park, Hatfield | Freehold | 127 m² | £840,000 (2010) |
| 78, Bell Lane, Brookmans Park, Hatfield | Freehold | 270 m² | £1,200,000 (2016) |
| 86, Bell Lane, Brookmans Park, Hatfield | Freehold | 386 m² | £1,900,000 (2021) |
| Flat 1, Swan Lodge, Bell Lane, Brookmans Park, Hatfield | Leasehold | 63 m² | £385,000 (2024) |
| Flat 2, Swan Lodge, Bell Lane, Brookmans Park, Hatfield | Leasehold | 63 m² | £350,000 (2021) |
| Flat 3, Swan Lodge, Bell Lane, Brookmans Park, Hatfield | Leasehold | 64 m² | £365,000 (2021) |
| Flat 4, Swan Lodge, Bell Lane, Brookmans Park, Hatfield | Leasehold | 62 m² | £350,000 (2021) |
| Flat 5, Swan Lodge, Bell Lane, Brookmans Park, Hatfield | Leasehold | 62 m² | £377,500 (2025) |
| Flat 6, Swan Lodge, Bell Lane, Brookmans Park, Hatfield | Leasehold | 64 m² | £365,000 (2021) |
| Flat 7, Swan Lodge, Bell Lane, Brookmans Park, Hatfield | Leasehold | 71 m² | £340,000 (2021) |
| Flat 8, Swan Lodge, Bell Lane, Brookmans Park, Hatfield | Leasehold | 74 m² | £340,000 (2021) |
| Lower Farm, Bell Lane, Brookmans Park, Hatfield | - | 434 m² | - |
| Maple House, Bell Lane, Brookmans Park | - | 244 m² | - |
| Oak House, Bell Lane, Brookmans Park | - | 244 m² | - |
| Pet Farm, Bell Lane, Brookmans Park, Hatfield | Freehold | 107 m² | £1,200,000 (2018) |
| Redwood House, Bell Lane, Brookmans Park | - | 244 m² | - |
| Swan Mews, Bell Lane, Brookmans Park, Hatfield | Freehold | 66 m² | £530,000 (2021) |
| The Old Bakery, Bell Lane, Brookmans Park, Hatfield | - | 250 m² | - |
