| 4B, Kensington Avenue, Watford | - | 47 m² | - |
| 6 Kensington Avenue, Watford | Freehold | 90 m² | £475,000 (2022) |
| 10 Kensington Avenue, Watford | Freehold | 101 m² | £240,000 (2010) |
| 12, Kensington Avenue, Watford | Freehold | 99 m² | £233,000 (2010) |
| 14, Kensington Avenue, Watford | Freehold | 90 m² | £425,000 (2025) |
| 16 Kensington Avenue, Watford | Freehold | 94 m² | £283,058 (2021) |
| 24, Kensington Avenue, Watford | Freehold | 130 m² | £185,000 (2003) |
| 26, Kensington Avenue, Watford | Freehold | 91 m² | £350,000 (2015) |
| 30, Kensington Avenue, Watford | Freehold | 80 m² | £480,000 (2022) |
| 32 Kensington Avenue, Watford | - | 93 m² | - |
| 34, Kensington Avenue, Watford | Freehold | 87 m² | £500,000 (2025) |
| 40, Kensington Avenue, Watford | Freehold | 92 m² | £225,000 (2006) |
| 42, Kensington Avenue, Watford | Freehold | 105 m² | £410,000 (2018) |
| 44 Kensington Avenue, Watford | Freehold | 92 m² | £365,000 (2020) |
| 46 Kensington Avenue, Watford, Watford | Freehold | 91 m² | £239,000 (2010) |
| 48 Kensington Avenue, Watford | - | 101 m² | - |
| 50 Kensington Avenue, Watford, Watford | Freehold | 90 m² | £465,000 (2022) |
| 62A, Kensington Avenue, Watford | - | 36 m² | - |
| 62B Kensington Avenue, Watford | - | 46 m² | - |
| 66, Kensington Avenue, Watford | Freehold | 89 m² | £393,500 (2019) |
| 68 Kensington Avenue, Watford | Freehold | 103 m² | £65,000 (1996) |
| 70, Kensington Avenue, Watford | Freehold | 98 m² | £395,000 (2020) |
| 74 Kensington Avenue, Watford, Watford | Freehold | 88 m² | £205,000 (2003) |
| 76, Kensington Avenue, Watford | Freehold | 93 m² | £405,000 (2019) |
| 80, Kensington Avenue, Watford | Freehold | 93 m² | £370,000 (2015) |
| 82, Kensington Avenue, Watford | Freehold | 89 m² | £290,000 (2014) |
| 84, Kensington Avenue, Watford | Freehold | 90 m² | £495,000 (2024) |
| 86, Kensington Avenue, Watford | Freehold | 83 m² | £275,000 (2014) |
| 88, Kensington Avenue, Watford | Freehold | 93 m² | £387,500 (2019) |
| 90A, Kensington Avenue, Watford | Leasehold | 40 m² | £215,000 (2016) |
| 90B Kensington Avenue, Watford | Leasehold | 48 m² | £35,000 (1997) |
| 94 Kensington Avenue, Watford | Freehold | 92 m² | £455,000 (2024) |
| 100 Kensington Avenue, Watford | Freehold | 100 m² | £375,000 (2023) |
| 102 Kensington Avenue, Watford, Watford | Freehold | 119 m² | £387,500 (2020) |
| 104 Kensington Avenue, Watford | Freehold | 112 m² | £128,000 (2001) |
| 108, Kensington Avenue, Watford | Freehold | 91 m² | £276,000 (2013) |
| 110, Kensington Avenue, Watford | - | 168 m² | - |
