| 63, Harwood Hill, Welwyn Garden City | Leasehold | 62 m² | £57,500 (2003) |
| 65, Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 69, Harwood Hill, Welwyn Garden City | Leasehold | 63 m² | £200,100 (2016) |
| 71 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 73, Harwood Hill, Welwyn Garden City | Leasehold | 64 m² | £130,000 (2003) |
| 77 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 79, Harwood Hill, Welwyn Garden City | Leasehold | 63 m² | £142,500 (2009) |
| 81 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 83, Harwood Hill, Welwyn Garden City | Leasehold | 63 m² | £160,000 (2010) |
| 85 Harwood Hill, Welwyn Garden City | Leasehold | 62 m² | £215,000 (2018) |
| 95 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 97, Harwood Hill, Welwyn Garden City | - | 63 m² | - |
| 99 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 101 Harwood Hill, Welwyn Garden City | Leasehold | 62 m² | £228,000 (2017) |
| 103, Harwood Hill, Welwyn Garden City | - | 64 m² | - |
| 121 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 123 Harwood Hill, Welwyn Garden City | - | 64 m² | - |
| 125, Harwood Hill, Welwyn Garden City | Leasehold | 63 m² | £149,500 (2011) |
| 127 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 129 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 131, Harwood Hill, Welwyn Garden City | - | 63 m² | - |
| 133 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 135 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 137 Harwood Hill, Welwyn Garden City | - | 60 m² | - |
| 139, Harwood Hill, Welwyn Garden City | Leasehold | 59 m² | £125,000 (2004) |
| 141 Harwood Hill, Welwyn Garden City | - | 62 m² | - |
| 143 Harwood Hill, Welwyn Garden City | - | 62 m² | - |