| 1A, Euston Avenue, Watford | - | 111 m² | - |
| 3A, Euston Avenue, Watford | Leasehold | 45 m² | £133,500 (2008) |
| 9, Euston Avenue, Watford | Freehold | 96 m² | £270,000 (2012) |
| 11 Euston Avenue, Watford | Freehold | 94 m² | £189,950 (2003) |
| 13, Euston Avenue, Watford | Freehold | 71 m² | £450,000 (2023) |
| 15 Euston Avenue, Watford | Freehold | 72 m² | £245,000 (2014) |
| 17, Euston Avenue, Watford | Freehold | 84 m² | £275,000 (2012) |
| 21, Euston Avenue, Watford | - | 87 m² | - |
| 23 Euston Avenue, Watford, Watford | Freehold | 86 m² | £408,500 (2021) |
| 25 Euston Avenue, Watford | Freehold | 83 m² | £365,000 (2021) |
| 27, Euston Avenue, Watford | Freehold | 92 m² | £475,000 (2024) |
| 31, Euston Avenue, Watford | Freehold | 117 m² | £395,000 (2020) |
| 33 Euston Avenue, Watford | Freehold | 83 m² | £339,000 (2015) |
| 37 Euston Avenue, Watford | Freehold | 77 m² | £333,500 (2024) |
| 39 Euston Avenue, Watford | Freehold | 88 m² | £184,950 (2004) |
| 41 Euston Avenue, Watford | Freehold | 154 m² | £405,000 (2021) |
| 43, Euston Avenue, Watford | Freehold | 84 m² | £400,000 (2017) |
| 45 Euston Avenue, Watford | Freehold | 104 m² | £315,000 (2014) |
| 49, Euston Avenue, Watford | Freehold | 85 m² | £205,000 (2004) |
| 51 Euston Avenue, Watford | Freehold | 113 m² | £390,000 (2017) |
| 53 Euston Avenue, Watford, Watford | Freehold | 83 m² | £229,950 (2010) |
| 55 Euston Avenue, Watford | - | 87 m² | - |
| 59, Euston Avenue, Watford | Freehold | 86 m² | £390,000 (2021) |
| 61, Euston Avenue, Watford | Freehold | 100 m² | £425,000 (2021) |
| 63, Euston Avenue, Watford | Freehold | 89 m² | £410,000 (2023) |
| 65 Euston Avenue, Watford | Freehold | 52 m² | £220,000 (2006) |
| 65A Euston Avenue, Watford | - | 50 m² | - |
| 67 Euston Avenue, Watford | - | 100 m² | - |
| 75, Euston Avenue, Watford | Freehold | 103 m² | £430,000 (2017) |
| 77 Euston Avenue, Watford, Watford | Freehold | 105 m² | £200,000 (2021) |
| 81, Euston Avenue, Watford | Freehold | 105 m² | £390,000 (2018) |
| 89 Euston Avenue, Watford | Freehold | 126 m² | £245,000 (2010) |
| 91, Euston Avenue, Watford | Freehold | 87 m² | £217,000 (2003) |
| Flat 1, 34 Euston Avenue, Watford | - | 14 m² | - |
| Flat 2, 34 Euston Avenue, Watford | Leasehold | 13 m² | £125,000 (2012) |
| Flat 3, 34 Euston Avenue, Watford | - | 17 m² | - |
| Flat 5, 34 Euston Avenue, Watford | - | 13 m² | - |
