| 1 Keylands House, Union Lane, Isleworth | Leasehold | 66 m² | £360,000 (2017) |
| 2 Keylands House, Union Lane, Isleworth | Leasehold | 68 m² | £238,950 (2010) |
| 3 Keylands House, Union Lane, Isleworth | Leasehold | 66 m² | £340,000 (2019) |
| 4 Keylands House, Union Lane, Isleworth, Isleworth | Leasehold | 65 m² | £380,000 (2018) |
| 5 Keylands House, Union Lane, Isleworth | Leasehold | 66 m² | £360,000 (2015) |
| 6 Keylands House, Union Lane, Isleworth | Leasehold | 65 m² | £262,500 (2013) |
| 7 Keylands House, Union Lane, Isleworth | Leasehold | 66 m² | £360,000 (2021) |
| 8 Keylands House, Union Lane, Isleworth, Isleworth | Leasehold | 66 m² | £243,000 (2010) |
| 9 Keylands House, Union Lane, Isleworth | Leasehold | 64 m² | £370,000 (2021) |
| 10 Keylands House, Union Lane, Isleworth | Leasehold | 62 m² | £242,950 (2010) |
| 11 Keylands House, Union Lane, Isleworth | Leasehold | 66 m² | £355,000 (2019) |
| 12 Keylands House, Union Lane, Isleworth | Leasehold | 65 m² | £250,000 (2010) |
| 13 Keylands House, Union Lane, Isleworth | Leasehold | 49 m² | £282,500 (2025) |
| 14 Keylands House, Union Lane, Isleworth | Leasehold | 67 m² | £360,000 (2021) |
| 15 Keylands House, Union Lane, Isleworth, Isleworth | Leasehold | 67 m² | £357,000 (2021) |
| 16 Keylands House, Union Lane, Isleworth | Leasehold | 50 m² | £194,000 (2010) |
| 17 Keylands House, Union Lane, Isleworth | - | 49 m² | - |
| 18 Keylands House, Union Lane, Isleworth | Leasehold | 66 m² | £360,000 (2020) |
| 19 Keylands House, Union Lane, Isleworth | Leasehold | 66 m² | £244,000 (2009) |
| 20 Keylands House, Union Lane, Isleworth, Isleworth | Leasehold | 49 m² | £197,950 (2010) |
| 21 Keylands House, Union Lane, Isleworth | Leasehold | 48 m² | £267,500 (2021) |
| 22 Keylands House, Union Lane, Isleworth | Leasehold | 66 m² | £360,000 (2018) |
| 23 Keylands House, Union Lane, Isleworth | Leasehold | 67 m² | £262,500 (2025) |