| 1 Ashdown, Letchworth 1 | - | 84 m² | - |
| 2 Ashdown, Letchworth Garden City | Freehold | 93 m² | £344,000 (2024) |
| 5 Ashdown, Letchworth Garden City | - | 80 m² | - |
| 6 Ashdown, Letchworth Garden City | - | 86 m² | - |
| 7, Ashdown, Letchworth Garden City | - | 85 m² | - |
| 8 Ashdown, Letchworth Garden City | Freehold | 85 m² | £125,000 (2011) |
| 9 Ashdown, Letchworth Garden City | - | 83 m² | - |
| 10 Ashdown, Letchworth Garden City | - | 87 m² | - |
| 11, Ashdown, Letchworth Garden City | - | 111 m² | - |
| 12 Ashdown, Letchworth Garden City | Freehold | 79 m² | £350,000 (2024) |
| 14, Ashdown, Letchworth Garden City | Freehold | 107 m² | £296,000 (2018) |
| 16 Ashdown, Letchworth Garden City | - | 92 m² | - |
| 17 Ashdown, Letchworth Garden City | - | 84 m² | - |
| 18 Ashdown, Letchworth Garden City | - | 87 m² | - |
| 19 Ashdown, Letchworth Garden City | - | 82 m² | - |
| 20 Ashdown, Letchworth Garden City | - | 91 m² | - |
| 21, Ashdown, Letchworth Garden City | - | 101 m² | - |
| 22, Ashdown, Letchworth Garden City | Freehold | 88 m² | £325,000 (2020) |
| 23, Ashdown, Letchworth Garden City | Freehold | 91 m² | £290,000 (2020) |
| 25, Ashdown, Letchworth Garden City | Freehold | 87 m² | £167,000 (2012) |
| 26, Ashdown, Letchworth Garden City | - | 82 m² | - |
| 28, Ashdown, Letchworth Garden City | Freehold | 92 m² | £375,000 (2025) |
| 31 Ashdown, Letchworth Garden City | - | 94 m² | - |
| 33 Ashdown, Letchworth Garden City | - | 91 m² | - |
| 34 Ashdown, Letchworth Garden City | Freehold | 77 m² | £300,000 (2023) |
| 35 Ashdown, Letchworth Garden City | - | 85 m² | - |
| 36 Ashdown, Letchworth Garden City | Freehold | 86 m² | £120,000 (2024) |
| 38 Ashdown, Letchworth Garden City | - | 87 m² | - |
| 40 Ashdown, Letchworth Garden City | Freehold | 108 m² | £390,000 (2025) |
| 42 Ashdown, Letchworth Garden City | Freehold | 80 m² | £340,000 (2025) |
| 46 Ashdown, Letchworth Garden City, Letchworth Garden City | Freehold | 106 m² | £53,000 (1996) |
| 48 Ashdown, Letchworth Garden City | - | 78 m² | - |