| 2 Gillison Close, Letchworth Garden City | - | 80 m² | - |
| 3 Gillison Close, Letchworth Garden City | Leasehold | 77 m² | £287,500 (2025) |
| 4 Gillison Close, Letchworth Garden City | Leasehold | 67 m² | £154,000 (2011) |
| 5 Gillison Close, Letchworth Garden City, Letchworth Garden City | Leasehold | 79 m² | £237,500 (2021) |
| 6, Gillison Close, Letchworth Garden City | Leasehold | 79 m² | £170,000 (2013) |
| 7 Gillison Close, Letchworth Garden City | Leasehold | 52 m² | £225,000 (2024) |
| 8, Gillison Close, Letchworth Garden City | Leasehold | 53 m² | £190,000 (2022) |
| 9, Gillison Close, Letchworth Garden City | Leasehold | 76 m² | £207,500 (2019) |
| 10, Gillison Close, Letchworth Garden City | Leasehold | 77 m² | £160,000 (2014) |
| 11, Gillison Close, Letchworth Garden City | Leasehold | 48 m² | £174,000 (2016) |
| 12 Gillison Close, Letchworth Garden City | Leasehold | 57 m² | £250,000 (2025) |
| 14 Gillison Close, Letchworth Garden City | Leasehold | 59 m² | £57,000 (1997) |
| 15 Gillison Close, Letchworth Garden City, Letchworth Garden City | - | 59 m² | - |
| 16 Gillison Close, Letchworth Garden City | - | 62 m² | - |
| 17 Gillison Close, Letchworth Garden City | Leasehold | 61 m² | £264,000 (2023) |
| 18 Gillison Close, Letchworth Garden City | Leasehold | 63 m² | £125,000 (2013) |
| 19, Gillison Close, Letchworth Garden City | Leasehold | 60 m² | £167,500 (2008) |
| 20, Gillison Close, Letchworth Garden City | Leasehold | 68 m² | £217,500 (2017) |
| 21 Gillison Close, Letchworth Garden City | Leasehold | 59 m² | £155,000 (2014) |
| 23, Gillison Close, Letchworth Garden City | Leasehold | 63 m² | £148,000 (2006) |
| 24 Gillison Close, Letchworth Garden City | Leasehold | 64 m² | £205,000 (2019) |
| 27 Gillison Close, Letchworth Garden City | Leasehold | 59 m² | £82,000 (2000) |
| 29 Gillison Close, Letchworth Garden City | - | 68 m² | - |
| 30 Gillison Close, Letchworth Garden City | Leasehold | 77 m² | £270,000 (2022) |