| 1, Princes Avenue, Welwyn Garden City | Freehold | 111 m² | £484,995 (2017) |
| 2, Princes Avenue, Welwyn Garden City | Freehold | 87 m² | £389,995 (2017) |
| 3, Princes Avenue, Welwyn Garden City | Freehold | 111 m² | £580,000 (2025) |
| 4, Princes Avenue, Welwyn Garden City | Freehold | 87 m² | £389,995 (2017) |
| 5, Princes Avenue, Welwyn Garden City | Freehold | 111 m² | £484,995 (2017) |
| 6, Princes Avenue, Welwyn Garden City | - | 72 m² | - |
| 7 Princes Avenue, Welwyn Garden City | Freehold | 110 m² | £484,995 (2017) |
| 8, Princes Avenue, Welwyn Garden City | - | 87 m² | - |
| 9, Princes Avenue, Welwyn Garden City | Freehold | 111 m² | £534,995 (2019) |
| 10, Princes Avenue, Welwyn Garden City | - | 87 m² | - |
| 11, Princes Avenue, Welwyn Garden City | Freehold | 111 m² | £524,000 (2019) |
| 12, Princes Avenue, Welwyn Garden City | - | 87 m² | - |
| 14, Princes Avenue, Welwyn Garden City | - | 87 m² | - |
| 16, Princes Avenue, Welwyn Garden City | - | 87 m² | - |
| 18, Princes Avenue, Welwyn Garden City | - | 87 m² | - |
| 20, Princes Avenue, Welwyn Garden City | Freehold | 111 m² | £486,995 (2018) |
| 22, Princes Avenue, Welwyn Garden City | Freehold | 111 m² | £560,000 (2024) |
| 24, Princes Avenue, Welwyn Garden City | Freehold | 111 m² | £486,995 (2018) |
| 26, Princes Avenue, Welwyn Garden City | Freehold | 111 m² | £632,000 (2022) |
| 28, Princes Avenue, Welwyn Garden City | Freehold | 123 m² | £514,995 (2018) |
| 30, Princes Avenue, Welwyn Garden City | Freehold | 123 m² | £524,995 (2018) |
| 32, Princes Avenue, Welwyn Garden City | Freehold | 149 m² | £599,995 (2018) |
| 34, Princes Avenue, Welwyn Garden City | Freehold | 134 m² | £549,995 (2018) |
| 36, Princes Avenue, Welwyn Garden City | Freehold | 149 m² | £629,995 (2017) |
| 38, Princes Avenue, Welwyn Garden City | Freehold | 149 m² | £775,000 (2022) |
| 40, Princes Avenue, Welwyn Garden City | Freehold | 149 m² | £614,995 (2017) |
| 42, Princes Avenue, Welwyn Garden City | Freehold | 149 m² | £629,995 (2017) |
| 44, Princes Avenue, Welwyn Garden City | Freehold | 89 m² | £495,000 (2025) |
| 46, Princes Avenue, Welwyn Garden City | Freehold | 89 m² | £464,000 (2025) |
| 48, Princes Avenue, Welwyn Garden City | Freehold | 89 m² | £389,995 (2017) |
| 50, Princes Avenue, Welwyn Garden City | Freehold | 87 m² | £515,000 (2023) |