| 1 Runnalow, Letchworth Garden City | - | 95 m² | - |
| 5 Runnalow, Letchworth Garden City | Leasehold | 69 m² | £255,000 (2020) |
| 7 Runnalow, Letchworth Garden City | - | 69 m² | - |
| 9 Runnalow, Letchworth Garden City | Leasehold | 70 m² | £36,000 (1999) |
| 11, Runnalow, Letchworth Garden City | Leasehold | 75 m² | £157,000 (2011) |
| 11A Runnalow, Letchworth Garden City | - | 69 m² | - |
| 15, Runnalow, Letchworth Garden City | Leasehold | 79 m² | £330,000 (2025) |
| 17, Runnalow, Letchworth Garden City | Leasehold | 68 m² | £272,500 (2018) |
| 21 Runnalow, Letchworth Garden City, Letchworth Garden City | Leasehold | 57 m² | £135,000 (2021) |
| 23 Runnalow, Letchworth Garden City | - | 58 m² | - |
| 25 Runnalow, Letchworth Garden City | Leasehold | 58 m² | £75,000 (2007) |
| 27, Runnalow, Letchworth Garden City | Leasehold | 60 m² | £260,000 (2020) |
| 29, Runnalow, Letchworth Garden City | Leasehold | 57 m² | £85,000 (2014) |
| 31 Runnalow, Letchworth Garden City | Leasehold | 57 m² | £275,000 (2024) |
| 33, Runnalow, Letchworth Garden City | Freehold | 71 m² | £385,000 (2016) |
| 35, Runnalow, Letchworth Garden City | Freehold | 124 m² | £547,500 (2024) |
| 37, Runnalow, Letchworth Garden City | Freehold | 51 m² | £210,000 (2009) |
| 39, Runnalow, Letchworth Garden City | Freehold | 64 m² | £425,000 (2025) |
| 41, Runnalow, Letchworth Garden City | Freehold | 52 m² | £400,000 (2018) |
| 45 Runnalow, Letchworth Garden City | Freehold | 121 m² | £575,000 (2026) |
| 57, Runnalow, Letchworth Garden City | Freehold | 53 m² | £153,000 (2009) |
| 61, Runnalow, Letchworth Garden City | Freehold | 81 m² | £250,000 (2011) |
| 63, Runnalow, Letchworth Garden City | Freehold | 138 m² | £518,000 (2016) |