| 1, Watson Avenue, St. Albans | Freehold | 128 m² | £499,999 (2011) |
| 2 Watson Avenue, St Albans, St Albans | - | 80 m² | - |
| 2A, Watson Avenue, St. Albans | Freehold | 121 m² | £490,000 (2009) |
| 3, Watson Avenue, St. Albans | Freehold | 106 m² | £675,000 (2015) |
| 4 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 5 Watson Avenue, St Albans, St Albans | Freehold | 94 m² | £760,000 (2022) |
| 8 Watson Avenue, St Albans, St Albans | - | 68 m² | - |
| 10 Watson Avenue, St. Albans | - | 65 m² | - |
| 11, Watson Avenue, St. Albans | Freehold | 81 m² | £325,000 (2014) |
| 12 Watson Avenue, St Albans, St Albans | - | 67 m² | - |
| 13 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 14 Watson Avenue, St. Albans | Freehold | 66 m² | £400,000 (2022) |
| 15 Watson Avenue, St Albans, St Albans | - | 68 m² | - |
| 16 Watson Avenue, St Albans, St Albans | - | 67 m² | - |
| 17 Watson Avenue, St. Albans | Freehold | 99 m² | £350,000 (2025) |
| 18 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 19 Watson Avenue, St Albans, St Albans | - | 67 m² | - |
| 20 Watson Avenue, St. Albans | - | 66 m² | - |
| 21 Watson Avenue, St. Albans | Freehold | 69 m² | £550,000 (2026) |
| 22 Watson Avenue, St Albans, St Albans | - | 72 m² | - |
| 23 Watson Avenue, St. Albans | - | 66 m² | - |
| 24 Watson Avenue, St Albans, St Albans | - | 68 m² | - |
| 25 Watson Avenue, St Albans, St Albans | - | 72 m² | - |
| 26 Watson Avenue, St Albans, St Albans | - | 68 m² | - |
| 27 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 28 Watson Avenue, St Albans, St Albans | - | 66 m² | - |
| 29, Watson Avenue, St. Albans | - | 72 m² | - |
| 30 Watson Avenue, St Albans, St Albans | - | 68 m² | - |
| 31, Watson Avenue, St. Albans | Freehold | 100 m² | £240,000 (2011) |
| 32 Watson Avenue, St Albans, St Albans | - | 68 m² | - |
| 33 Watson Avenue, St Albans, St Albans | - | 71 m² | - |
| 34 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 35, Watson Avenue, St. Albans | Freehold | 87 m² | £455,000 (2018) |
| 36 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 37, Watson Avenue, St. Albans | Freehold | 68 m² | £176,000 (2005) |
| 38, Watson Avenue, St. Albans | - | 67 m² | - |
| 40 Watson Avenue, St. Albans | Freehold | 64 m² | £300,000 (2015) |
| 41 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 42 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 43 Watson Avenue, St Albans, St Albans | Freehold | 67 m² | £382,500 (2021) |
| 44 Watson Avenue, St Albans, St Albans | - | 67 m² | - |
| 46 Watson Avenue, St. Albans | Freehold | 81 m² | £277,000 (2014) |
| 47, Watson Avenue, St. Albans | Freehold | 68 m² | £180,000 (2006) |
| 49 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 50 Watson Avenue, St. Albans | - | 69 m² | - |
| 51 Watson Avenue, St Albans, St Albans | - | 61 m² | - |
| 55 Watson Avenue, St Albans, St Albans | - | 72 m² | - |
