| 2 Upperfield Road, Welwyn Garden City | - | 90 m² | - |
| 4 Upperfield Road, Welwyn Garden City | - | 101 m² | - |
| 6, Upperfield Road, Welwyn Garden City | Freehold | 83 m² | £365,000 (2017) |
| 10, Upperfield Road, Welwyn Garden City | Leasehold | 39 m² | £235,000 (2025) |
| 10A Upperfield Road, Welwyn Garden City, Welwyn Garden City | - | 40 m² | - |
| 12 Upperfield Road, Welwyn Garden City | - | 85 m² | - |
| 14 Upperfield Road, Welwyn Garden City | - | 85 m² | - |
| 16A, Upperfield Road, Welwyn Garden City | - | 33 m² | - |
| 24 Upperfield Road, Welwyn Garden City | - | 101 m² | - |
| 26 Upperfield Road, Welwyn Garden City | - | 95 m² | - |
| 28 Upperfield Road, Welwyn Garden City | - | 85 m² | - |
| 30 Upperfield Road, Welwyn Garden City | - | 85 m² | - |
| 32, Upperfield Road, Welwyn Garden City | Freehold | 85 m² | £220,000 (2008) |
| 34, Upperfield Road, Welwyn Garden City | - | 76 m² | - |
| 36 Upperfield Road, Welwyn Garden City | - | 101 m² | - |
| 38, Upperfield Road, Welwyn Garden City | Freehold | 82 m² | £333,000 (2017) |
| 44 Upperfield Road, Welwyn Garden City | - | 96 m² | - |
| 46 Upperfield Road, Welwyn Garden City | - | 98 m² | - |
| 48 Upperfield Road, Welwyn Garden City | - | 72 m² | - |
| 50, Upperfield Road, Welwyn Garden City | Freehold | 80 m² | £430,150 (2023) |
| 54 Upperfield Road, Welwyn Garden City | - | 85 m² | - |
| 56 Upperfield Road, Welwyn Garden City | - | 69 m² | - |
| 60 Upperfield Road, Welwyn Garden City | - | 177 m² | - |
| 62 Upperfield Road, Welwyn Garden City | Freehold | 91 m² | £480,000 (2025) |
| 64 Upperfield Road, Welwyn Garden City | - | 88 m² | - |
| 66, Upperfield Road, Welwyn Garden City | - | 83 m² | - |
| 70, Upperfield Road, Welwyn Garden City | Freehold | 136 m² | £370,000 (2015) |
| 74 Upperfield Road, Welwyn Garden City | - | 88 m² | - |
| 76 Upperfield Road, Welwyn Garden City | - | 85 m² | - |
| 80 Upperfield Road, Welwyn Garden City | Freehold | 73 m² | £430,000 (2024) |
| 82, Upperfield Road, Welwyn Garden City | Leasehold | 44 m² | £190,000 (2024) |
| 84 Upperfield Road, Welwyn Garden City | - | 44 m² | - |
| 86, Upperfield Road, Welwyn Garden City | Leasehold | 45 m² | £170,000 (2017) |
| 88 Upperfield Road, Welwyn Garden City | - | 44 m² | - |
| 90 Upperfield Road, Welwyn Garden City | - | 44 m² | - |
| 92 Upperfield Road, Welwyn Garden City | Leasehold | 45 m² | £175,000 (2024) |
| 94, Upperfield Road, Welwyn Garden City | Leasehold | 49 m² | £186,500 (2020) |
| 96 Upperfield Road, Welwyn Garden City | Leasehold | 45 m² | £160,000 (2015) |
| 98 Upperfield Road, Welwyn Garden City | - | 44 m² | - |
| 100 Upperfield Road, Welwyn Garden City | - | 44 m² | - |
| 102 Upperfield Road, Welwyn Garden City | - | 44 m² | - |
| 104 Upperfield Road, Welwyn Garden City | Leasehold | 47 m² | £29,000 (2001) |
| 106 Upperfield Road, Welwyn Garden City | - | 44 m² | - |
| 108 Upperfield Road, Welwyn Garden City | - | 40 m² | - |
| 110 Upperfield Road, Welwyn Garden City | - | 45 m² | - |
| 112 Upperfield Road, Welwyn Garden City | Leasehold | 46 m² | £124,950 (2013) |
| 114 Upperfield Road, Welwyn Garden City | - | 53 m² | - |
| 116 Upperfield Road, Welwyn Garden City | - | 40 m² | - |
