| 1, By The Mount, Welwyn Garden City | Freehold | 91 m² | £420,000 (2020) |
| 2 By The Mount, Welwyn Garden City | - | 96 m² | - |
| 3 By The Mount, Welwyn Garden City | - | 55 m² | - |
| 4 By The Mount, Welwyn Garden City | - | 57 m² | - |
| 5 By The Mount, Welwyn Garden City | - | 55 m² | - |
| 6, By The Mount, Welwyn Garden City | Leasehold | 55 m² | £195,000 (2020) |
| 7 By The Mount, Welwyn Garden City | - | 57 m² | - |
| 8 By The Mount, Welwyn Garden City | - | 55 m² | - |
| 9 By The Mount, Welwyn Garden City | - | 55 m² | - |
| 10 By The Mount, Welwyn Garden City | - | 47 m² | - |
| 12, By The Mount, Welwyn Garden City | Leasehold | 47 m² | £200,000 (2025) |
| 14 By The Mount, Welwyn Garden City | - | 46 m² | - |
| 15, By The Mount, Welwyn Garden City | - | 42 m² | - |
| 16, By The Mount, Welwyn Garden City | Leasehold | 48 m² | £214,000 (2023) |
| 17 By The Mount, Welwyn Garden City, Welwyn Garden City | Leasehold | 46 m² | £177,500 (2019) |
| 18 By The Mount, Welwyn Garden City | Leasehold | 48 m² | £124,000 (2012) |
| 19, By The Mount, Welwyn Garden City | Leasehold | 41 m² | £183,000 (2016) |
| 21 By The Mount, Welwyn Garden City | - | 49 m² | - |
| 22 By The Mount, Welwyn Garden City | - | 82 m² | - |
| 23 By The Mount, Welwyn Garden City, Welwyn Garden City | Freehold | 83 m² | £169,000 (2004) |
| 24 By The Mount, Welwyn Garden City | - | 82 m² | - |
| 25 By The Mount, Welwyn Garden City | - | 82 m² | - |
| 26 By The Mount, Welwyn Garden City | - | 82 m² | - |
| 27 By The Mount, Welwyn Garden City | Freehold | 89 m² | £390,000 (2021) |
| 28 By The Mount, Welwyn Garden City | - | 82 m² | - |
| 29, By The Mount, Welwyn Garden City | - | 80 m² | - |
| 31 By The Mount, Welwyn Garden City | Freehold | 82 m² | £215,000 (2011) |
| 32 By The Mount, Welwyn Garden City, Welwyn Garden City | - | 80 m² | - |
| 33 By The Mount, Welwyn Garden City | Freehold | 82 m² | £455,000 (2025) |
| 34 By The Mount, Welwyn Garden City | - | 82 m² | - |