| 91 Penrose Avenue, Watford | Freehold | 130 m² | £660,000 (2024) |
| 93, Penrose Avenue, Watford | Freehold | 114 m² | £545,000 (2020) |
| 100 Penrose Avenue, Watford | Freehold | 66 m² | £460,000 (2024) |
| 101 Penrose Avenue, Watford | Freehold | 150 m² | £650,000 (2025) |
| 103, Penrose Avenue, Watford | Freehold | 94 m² | £480,000 (2015) |
| 104 Penrose Avenue, Watford | Freehold | 78 m² | £226,000 (2004) |
| 107 Penrose Avenue, Watford | Freehold | 110 m² | £134,950 (1999) |
| 110 Penrose Avenue, Watford | Freehold | 62 m² | £258,000 (2024) |
| 113, Penrose Avenue, Watford | Freehold | 153 m² | £554,500 (2015) |
| 114, Penrose Avenue, Watford | Freehold | 128 m² | £600,000 (2016) |
| 115, Penrose Avenue, Watford | Freehold | 86 m² | £249,999 (2012) |
| 116, Penrose Avenue, Watford | Freehold | 74 m² | £422,500 (2021) |
| 119 Penrose Avenue, Watford | Freehold | 77 m² | £585,000 (2026) |
| 121 Penrose Avenue, Watford | Freehold | 68 m² | £500,000 (2022) |
| 122 Penrose Avenue, Watford | - | 63 m² | - |
| 123 Penrose Avenue, Watford | Freehold | 122 m² | £250,000 (2004) |
| 129, Penrose Avenue, Watford | Freehold | 85 m² | £335,000 (2010) |
| 130, Penrose Avenue, Watford | Freehold | 75 m² | £258,000 (2011) |
| 131, Penrose Avenue, Watford | Freehold | 56 m² | £140,000 (2001) |
| 132, Penrose Avenue, Watford | Freehold | 93 m² | £560,000 (2024) |
| 138 Penrose Avenue, Carpenders Park, Carpenders Park | Freehold | 122 m² | £530,000 (2021) |
| 142, Penrose Avenue, Watford | Freehold | 111 m² | £530,000 (2018) |
| 143 Penrose Avenue, Watford | Freehold | 98 m² | £510,000 (2026) |
| 144, Penrose Avenue, Watford | - | 132 m² | - |
