| 1, Monmouth Grove, Brentford | Leasehold | 44 m² | £276,000 (2020) |
| 2 Monmouth Grove, Brentford | Leasehold | 43 m² | £65,000 (1998) |
| 4 Monmouth Grove, Brentford | Leasehold | 42 m² | £275,000 (2023) |
| 5, Monmouth Grove, Brentford | Leasehold | 37 m² | £124,000 (2001) |
| 6 Monmouth Grove, Brentford, Brentford | Leasehold | 42 m² | £210,000 (2007) |
| 7, Monmouth Grove, Brentford | - | 56 m² | - |
| 8 Monmouth Grove, Brentford, Brentford | Leasehold | 52 m² | £425,000 (2023) |
| 9, Monmouth Grove, Brentford | Leasehold | 41 m² | £169,000 (2005) |
| 10, Monmouth Grove, Brentford | - | 43 m² | - |
| 11, Monmouth Grove, Brentford | Leasehold | 56 m² | £340,000 (2018) |
| 12, Monmouth Grove, Brentford | Leasehold | 57 m² | £278,500 (1996) |
| 13, Monmouth Grove, Brentford | Leasehold | 56 m² | £353,000 (2017) |
| 14, Monmouth Grove, Brentford | Leasehold | 55 m² | £326,000 (2021) |
| 15, Monmouth Grove, Brentford | Leasehold | 49 m² | £195,000 (2004) |
| 16, Monmouth Grove, Brentford | Leasehold | 45 m² | £236,000 (2014) |
| 18 Monmouth Grove, Brentford | Leasehold | 43 m² | £188,000 (2010) |
| 21, Monmouth Grove, Brentford | Leasehold | 47 m² | £168,000 (2004) |
| 23, Monmouth Grove, Brentford | Leasehold | 41 m² | £278,500 (1996) |
| 25, Monmouth Grove, Brentford | Leasehold | 37 m² | £103,500 (2016) |
| 26 Monmouth Grove, Brentford | Leasehold | 42 m² | £290,000 (2024) |
| 27, Monmouth Grove, Brentford | Leasehold | 40 m² | £190,000 (2007) |
| 29 Monmouth Grove, Brentford | Leasehold | 40 m² | £305,000 (2016) |
| 30, Monmouth Grove, Brentford | Leasehold | 24 m² | £188,000 (2006) |
| 31 Monmouth Grove, Brentford | Leasehold | 42 m² | £99,500 (1999) |
| 33 Monmouth Grove, Brentford | Leasehold | 43 m² | £273,500 (2022) |
| 34, Monmouth Grove, Brentford | Leasehold | 41 m² | £295,000 (2021) |
| 35 Monmouth Grove, Brentford | Leasehold | 42 m² | £170,000 (2005) |
| 36 Monmouth Grove, Brentford | Leasehold | 42 m² | £67,000 (1997) |
