| 1, Horace Gay Gardens, Letchworth Garden City | Leasehold | 40 m² | £160,000 (2013) |
| 2, Horace Gay Gardens, Letchworth Garden City | Leasehold | 56 m² | £155,000 (2004) |
| 4 Horace Gay Gardens, Letchworth Garden City | - | 55 m² | - |
| 5, Horace Gay Gardens, Letchworth Garden City | Leasehold | 41 m² | £135,000 (2015) |
| 6 Horace Gay Gardens, Letchworth Garden City | Leasehold | 47 m² | £265,000 (2025) |
| 7 Horace Gay Gardens, Letchworth Garden City | Leasehold | 42 m² | £171,000 (2026) |
| 10, Horace Gay Gardens, Letchworth Garden City | Leasehold | 57 m² | £210,000 (2015) |
| 12 Horace Gay Gardens, Letchworth Garden City | Leasehold | 56 m² | £265,000 (2021) |
| 14 Horace Gay Gardens, Letchworth Garden City | Freehold | 56 m² | £280,000 (2025) |
| 16 Horace Gay Gardens, Letchworth Garden City | Leasehold | 46 m² | £100,000 (2003) |
| 17 Horace Gay Gardens, Letchworth Garden City | Leasehold | 56 m² | £270,000 (2025) |
| 18, Horace Gay Gardens, Letchworth Garden City | Leasehold | 37 m² | £150,000 (2026) |
| 19, Horace Gay Gardens, Letchworth Garden City | Leasehold | 77 m² | £228,750 (2014) |
| 20 Horace Gay Gardens, Letchworth Garden City | Leasehold | 37 m² | £185,000 (2022) |
| 22 Horace Gay Gardens, Letchworth Garden City | Leasehold | 46 m² | £116,000 (2005) |
| 23 Horace Gay Gardens, Letchworth Garden City | Leasehold | 54 m² | £260,000 (2024) |
| 24, Horace Gay Gardens, Letchworth Garden City | Leasehold | 53 m² | £182,500 (2016) |
| 25, Horace Gay Gardens, Letchworth Garden City | Leasehold | 54 m² | £250,000 (2017) |
| 26, Horace Gay Gardens, Letchworth Garden City | Leasehold | 42 m² | £190,000 (2022) |
| 27, Horace Gay Gardens, Letchworth Garden City | Leasehold | 54 m² | £130,000 (2003) |
| 28 Horace Gay Gardens, Letchworth Garden City | Leasehold | 37 m² | £152,500 (2015) |
| 29, Horace Gay Gardens, Letchworth Garden City | Leasehold | 56 m² | £155,000 (2011) |
| 30, Horace Gay Gardens, Letchworth Garden City | Leasehold | 43 m² | £150,000 (2017) |
| 31 Horace Gay Gardens, Letchworth Garden City | Leasehold | 55 m² | £152,000 (2005) |
| 32, Horace Gay Gardens, Letchworth Garden City | Leasehold | 55 m² | £200,000 (2015) |
| 33, Horace Gay Gardens, Letchworth Garden City | Leasehold | 54 m² | £234,000 (2018) |
| 34, Horace Gay Gardens, Letchworth Garden City | Leasehold | 40 m² | £238,000 (2026) |
| 35, Horace Gay Gardens, Letchworth Garden City | Leasehold | 54 m² | £280,000 (2022) |
| 36, Horace Gay Gardens, Letchworth Garden City | Leasehold | 44 m² | £240,000 (2022) |
| 37 Horace Gay Gardens, Letchworth Garden City, Letchworth Garden City | Leasehold | 54 m² | £260,000 (2026) |
| 41, Horace Gay Gardens, Letchworth Garden City | Leasehold | 53 m² | £150,000 (2004) |
| 43 Horace Gay Gardens, Letchworth Garden City | Leasehold | 54 m² | £204,000 (2014) |
| 45, Horace Gay Gardens, Letchworth Garden City | Leasehold | 54 m² | £150,000 (2006) |
| 47, Horace Gay Gardens, Letchworth Garden City | Leasehold | 54 m² | £299,995 (2024) |
| 51 Horace Gay Gardens, Letchworth Garden City, Letchworth Garden City | Leasehold | 54 m² | £260,000 (2021) |
| 53 Horace Gay Gardens, Letchworth Garden City | Leasehold | 55 m² | £144,000 (2006) |
| 55 Horace Gay Gardens, Letchworth Garden City, Letchworth Garden City | Leasehold | 55 m² | £270,000 (2026) |
| 57, Horace Gay Gardens, Letchworth Garden City | Leasehold | 67 m² | £256,000 (2020) |
| 59 Horace Gay Gardens, Letchworth Garden City | Leasehold | 64 m² | £150,000 (2005) |
| 61, Horace Gay Gardens, Letchworth Garden City | Leasehold | 55 m² | £263,000 (2016) |
| 63, Horace Gay Gardens, Letchworth Garden City | Leasehold | 65 m² | £140,000 (2012) |
| 65 Horace Gay Gardens, Letchworth Garden City | Leasehold | 55 m² | £94,000 (2002) |
| 67, Horace Gay Gardens, Letchworth Garden City | Leasehold | 55 m² | £266,000 (2021) |