| 1 Langton House, Cottage Close, Harrow | Leasehold | 79 m² | £325,380 (2006) |
| 1 Siddons House, Cottage Close, Harrow | Leasehold | 74 m² | £350,000 (2005) |
| 2 Blake House, Cottage Close, Harrow | Leasehold | 53 m² | £215,000 (2005) |
| 2 Siddons House, Cottage Close, Harrow | Leasehold | 107 m² | £435,000 (2025) |
| 3 Blake House, Cottage Close, Harrow | Leasehold | 47 m² | £278,000 (2023) |
| 3 Langton House, Cottage Close, Harrow | Leasehold | 66 m² | £347,500 (2006) |
| 3 Siddons House, Cottage Close, Harrow | Leasehold | 67 m² | £275,000 (2026) |
| 4 Blake House, Cottage Close, Harrow | Leasehold | 80 m² | £425,000 (2018) |
| 4 Langton House, Cottage Close, Harrow | Leasehold | 94 m² | £535,000 (2021) |
| 5 Blake House, Cottage Close, Harrow | Leasehold | 48 m² | £225,000 (2013) |
| 5 Langton House, Cottage Close, Harrow | Leasehold | 74 m² | £355,000 (2005) |
| 5 Siddons House, Cottage Close, Harrow | Leasehold | 64 m² | £275,000 (2022) |
| 6 Blake House, Cottage Close, Harrow | Leasehold | 48 m² | £225,000 (2011) |
| 6 Langton House, Cottage Close, Harrow | Leasehold | 98 m² | £350,000 (2006) |
| 7 Blake House, Cottage Close, Harrow | Leasehold | 74 m² | £360,000 (2023) |
| 7 Langton House, Cottage Close, Harrow | Leasehold | 55 m² | £220,000 (2010) |
| 8 Blake House, Cottage Close, Harrow | Leasehold | 45 m² | £225,000 (2005) |
| 8 Langton House, Cottage Close, Harrow | Leasehold | 90 m² | £380,000 (2015) |
| 9 Blake House, Cottage Close, Harrow | Leasehold | 45 m² | £230,000 (2005) |
| 9 Langton House, Cottage Close, Harrow | - | 84 m² | - |
| 10 Langton House, Cottage Close, Harrow | Leasehold | 82 m² | £369,000 (2006) |
| 11 Langton House, Cottage Close, Harrow | Leasehold | 60 m² | £317,500 (2005) |
| 12 Blake House, Cottage Close, Harrow | Leasehold | 47 m² | £271,000 (2015) |
| 12 Langton House, Cottage Close, Harrow | Leasehold | 42 m² | £265,000 (2009) |
| 13 Blake House, Cottage Close, Harrow | Leasehold | 48 m² | £270,000 (2025) |
| 13 Langton House, Cottage Close, Harrow | Leasehold | 80 m² | £329,950 (2013) |
| 14 Blake House, Cottage Close, Harrow | Leasehold | 87 m² | £330,000 (2013) |
| 14 Langton House, Cottage Close, Harrow | Leasehold | 91 m² | £415,000 (2022) |
| 15 Blake House, Cottage Close, Harrow | Leasehold | 45 m² | £220,000 (2005) |
| 15 Langton House, Cottage Close, Harrow | Leasehold | 82 m² | £317,000 (2013) |
| 16 Blake House, Cottage Close, Harrow | Leasehold | 48 m² | £213,500 (2005) |
| 18 Blake House, Cottage Close, Harrow | Leasehold | 45 m² | £230,000 (2005) |
| 19 Blake House, Cottage Close, Harrow | Leasehold | 46 m² | £295,000 (2020) |
| 20 Blake House, Cottage Close, Harrow | Leasehold | 104 m² | £380,000 (2015) |
| 21 Blake House, Cottage Close, Harrow | Leasehold | 80 m² | £435,000 (2017) |
| Flat 1, Blake House, Harrow | Leasehold | 106 m² | £360,000 (2014) |
| Flat 2, Langton House, Cottage Close, Harrow | Leasehold | 116 m² | £382,000 (2006) |
| Flat 4, Siddons House, Cottage Close, Harrow | Leasehold | 60 m² | £305,000 (2022) |
| Flat 10, Blake House, Cottage Close, Harrow | Leasehold | 106 m² | £420,000 (2013) |
| Flat 17, Blake House, Cottage Close, Harrow | Leasehold | 80 m² | £332,000 (2011) |