| 1 Heathermere, Letchworth Garden City | - | 83 m² | - |
| 2 Heathermere, Letchworth 1 | - | 98 m² | - |
| 4, Heathermere, Letchworth Garden City | Freehold | 87 m² | £327,000 (2021) |
| 5, Heathermere, Letchworth Garden City | Freehold | 85 m² | £236,000 (2015) |
| 6 Heathermere, Letchworth Garden City | Freehold | 87 m² | £310,500 (2023) |
| 7, Heathermere, Letchworth Garden City | - | 80 m² | - |
| 9, Heathermere, Letchworth Garden City | Freehold | 84 m² | £240,000 (2015) |
| 11, Heathermere, Letchworth Garden City | - | 88 m² | - |
| 12, Heathermere, Letchworth Garden City | - | 82 m² | - |
| 13 Heathermere, Letchworth Garden City | Freehold | 94 m² | £345,000 (2026) |
| 14, Heathermere, Letchworth Garden City | Freehold | 106 m² | £262,500 (2014) |
| 15, Heathermere, Letchworth Garden City | Freehold | 84 m² | £240,000 (2013) |
| 16 Heathermere, Letchworth Garden City | Freehold | 85 m² | £365,000 (2026) |
| 17 Heathermere, Letchworth Garden City | Freehold | 114 m² | £481,000 (2025) |
| 18, Heathermere, Letchworth Garden City | Freehold | 100 m² | £290,000 (2019) |
| 19, Heathermere, Letchworth Garden City | Freehold | 84 m² | £187,000 (2011) |
| 21, Heathermere, Letchworth Garden City | Freehold | 81 m² | £275,000 (2017) |
| 22, Heathermere, Letchworth Garden City | Freehold | 87 m² | £350,000 (2022) |
| 23 Heathermere, Letchworth Garden City | Freehold | 124 m² | £485,000 (2025) |
| 24 Heathermere, Letchworth Garden City | - | 85 m² | - |
| 25 Heathermere, Letchworth Garden City | - | 85 m² | - |
| 27 Heathermere, Letchworth 1 | - | 98 m² | - |
| 29, Heathermere, Letchworth Garden City | Freehold | 86 m² | £224,500 (2011) |
| 30, Heathermere, Letchworth Garden City | Freehold | 84 m² | £292,000 (2019) |
| 31, Heathermere, Letchworth Garden City | Freehold | 83 m² | £335,000 (2021) |
| 32 Heathermere, Letchworth Garden City | Freehold | 86 m² | £425,000 (2023) |
| 33, Heathermere, Letchworth Garden City | Freehold | 104 m² | £95,000 (1998) |
| 35, Heathermere, Letchworth Garden City | Freehold | 84 m² | £328,000 (2017) |
| 36 Heathermere, Letchworth Garden City | - | 84 m² | - |
| 38 Heathermere, Letchworth Garden City | Freehold | 85 m² | £390,000 (2026) |
| 40, Heathermere, Letchworth Garden City | Freehold | 85 m² | £317,500 (2020) |
| 42 Heathermere, Letchworth Garden City, Letchworth Garden City | Freehold | 84 m² | £390,000 (2022) |
| 44, Heathermere, Letchworth Garden City | - | 82 m² | - |
| 46 Heathermere, Letchworth Garden City | Freehold | 83 m² | £420,000 (2025) |