| 2, Altham Gardens, Watford | Freehold | 75 m² | £247,000 (2010) |
| 4, Altham Gardens, Watford | Freehold | 90 m² | £247,000 (2010) |
| 6 Altham Gardens, Watford | Freehold | 55 m² | £187,000 (2003) |
| 7 Altham Gardens, Watford | - | 94 m² | - |
| 8, Altham Gardens, Watford | Freehold | 61 m² | £352,000 (2018) |
| 9 Altham Gardens, Watford | Freehold | 82 m² | £249,000 (2013) |
| 10 Altham Gardens, Watford | Freehold | 73 m² | £448,500 (2025) |
| 11 Altham Gardens, Watford | Freehold | 106 m² | £520,815 (2022) |
| 12 Altham Gardens, Watford | Freehold | 61 m² | £184,000 (2003) |
| 16, Altham Gardens, Watford | Freehold | 104 m² | £450,000 (2021) |
| 16A Altham Gardens, Watford | Freehold | 74 m² | £227,500 (2004) |
| 17, Altham Gardens, Watford | - | 40 m² | - |
| 19 Altham Gardens, Watford | - | 42 m² | - |
| 20, Altham Gardens, Watford | Leasehold | 55 m² | £265,000 (2021) |
| 22 Altham Gardens, Watford | Leasehold | 56 m² | £305,000 (2024) |
| 23, Altham Gardens, Watford | - | 42 m² | - |
| 24 Altham Gardens, Watford | Leasehold | 57 m² | £155,000 (2004) |
| 25, Altham Gardens, Watford | - | 42 m² | - |
| 26 Altham Gardens, Watford | Leasehold | 58 m² | £162,000 (2012) |
| 27, Altham Gardens, Watford | - | 52 m² | - |
| 28 Altham Gardens, Watford | Leasehold | 56 m² | £265,000 (2021) |
| 29, Altham Gardens, Watford | - | 55 m² | - |
| 30, Altham Gardens, Watford | Leasehold | 54 m² | £285,000 (2019) |
| 31, Altham Gardens, Watford | - | 53 m² | - |
| 32 Altham Gardens, Watford | Freehold | 94 m² | £279,000 (2014) |
| 33 Altham Gardens, Watford | - | 56 m² | - |
| 34, Altham Gardens, Watford | Freehold | 90 m² | £412,000 (2017) |
| 35, Altham Gardens, Watford | - | 53 m² | - |
| 37, Altham Gardens, Watford | - | 53 m² | - |
| 38 Altham Gardens, Watford | Freehold | 142 m² | £590,000 (2025) |
| 42, Altham Gardens, Watford | Freehold | 100 m² | £200,000 (2020) |
| 44, Altham Gardens, Watford | Freehold | 100 m² | £245,000 (2005) |
| 46, Altham Gardens, Watford | Freehold | 101 m² | £249,950 (2005) |
| 48 Altham Gardens, Watford | Freehold | 137 m² | £249,950 (2012) |
| 49 Altham Gardens, Watford | Freehold | 75 m² | £222,000 (2004) |
| 50, Altham Gardens, Watford | Freehold | 73 m² | £342,500 (2015) |
| 52, Altham Gardens, Watford | Freehold | 77 m² | £450,000 (2024) |
| 54 Altham Gardens, Watford | Freehold | 72 m² | £215,000 (2009) |
| 56, Altham Gardens, Watford | Freehold | 61 m² | £345,000 (2018) |
| 58 Altham Gardens, Watford | Freehold | 61 m² | £430,000 (2023) |
| 60, Altham Gardens, Watford | Freehold | 61 m² | £292,500 (2015) |
| 62, Altham Gardens, Watford | Freehold | 72 m² | £235,000 (2012) |
| 64 Altham Gardens, Watford | Freehold | 60 m² | £365,000 (2015) |
| 70 Altham Gardens, Watford | Freehold | 70 m² | £220,000 (2004) |
| 72 Altham Gardens, Watford | Freehold | 71 m² | £250,000 (2011) |