| 55, Penrose Avenue, Watford | Freehold | 96 m² | £570,000 (2019) |
| 57 Penrose Avenue, Carpenders Park, Carpenders Park | Freehold | 83 m² | £525,000 (2021) |
| 58, Penrose Avenue, Watford | - | 57 m² | - |
| 59, Penrose Avenue, Watford | Freehold | 83 m² | £335,000 (2014) |
| 60, Penrose Avenue, Watford | Freehold | 93 m² | £475,000 (2020) |
| 61, Penrose Avenue, Watford | Freehold | 84 m² | £415,000 (2014) |
| 64 Penrose Avenue, Watford | Freehold | 70 m² | £450,000 (2022) |
| 65, Penrose Avenue, Watford | Freehold | 86 m² | £299,000 (2011) |
| 66, Penrose Avenue, Watford | Freehold | 84 m² | £275,000 (2012) |
| 68, Penrose Avenue, Watford | Freehold | 83 m² | £443,000 (2017) |
| 72, Penrose Avenue, Watford | Freehold | 56 m² | £311,500 (2014) |
| 73 Penrose Avenue, Carpenders Park, Carpenders Park | Freehold | 117 m² | £550,000 (2021) |
| 75, Penrose Avenue, Watford | Freehold | 136 m² | £450,000 (2018) |
| 76, Penrose Avenue, Watford | Freehold | 76 m² | £162,000 (2002) |
| 77, Penrose Avenue, Watford | Freehold | 90 m² | £515,000 (2017) |
| 78 Penrose Avenue, Watford | Freehold | 64 m² | £480,000 (2025) |
| 79, Penrose Avenue, Watford | Freehold | 84 m² | £540,000 (2018) |
| 81, Penrose Avenue, Watford | Freehold | 54 m² | £205,000 (2009) |
| 83, Penrose Avenue, Watford | Freehold | 93 m² | £585,000 (2021) |
| 85, Penrose Avenue, Watford | Freehold | 56 m² | £460,000 (2017) |
| 86, Penrose Avenue, Watford | Freehold | 63 m² | £400,000 (2017) |
| 87 Penrose Avenue, Watford | Freehold | 99 m² | £575,000 (2024) |
| 88 Penrose Avenue, Watford | Freehold | 78 m² | £585,000 (2022) |
| 89, Penrose Avenue, Watford | Freehold | 66 m² | £475,000 (2021) |
