| 1 Aspen Park Drive, Watford | Freehold | 63 m² | £440,000 (2023) |
| 3, Aspen Park Drive, Watford | Freehold | 61 m² | £400,000 (2018) |
| 4 Aspen Park Drive, Watford | Freehold | 61 m² | £465,000 (2023) |
| 5 Aspen Park Drive, Watford, Watford | Freehold | 42 m² | £190,000 (2014) |
| 6, Aspen Park Drive, Watford | Freehold | 61 m² | £250,000 (2011) |
| 8 Aspen Park Drive, Watford | Freehold | 114 m² | £575,000 (2023) |
| 9 Aspen Park Drive, Watford | - | 41 m² | - |
| 10 Aspen Park Drive, Watford | Freehold | 41 m² | £155,000 (2013) |
| 11, Aspen Park Drive, Watford | Freehold | 40 m² | £245,000 (2021) |
| 12, Aspen Park Drive, Watford | Freehold | 40 m² | £170,000 (2008) |
| 14, Aspen Park Drive, Watford | Freehold | 91 m² | £510,000 (2023) |
| 15 Aspen Park Drive, Watford | Freehold | 54 m² | £280,000 (2022) |
| 16 Aspen Park Drive, Watford | Freehold | 60 m² | £113,000 (1999) |
| 17, Aspen Park Drive, Watford | Freehold | 40 m² | £125,000 (2002) |
| 18 Aspen Park Drive, Watford | - | 117 m² | - |
| 21 Aspen Park Drive, Watford | Freehold | 41 m² | £264,000 (2017) |
| 22, Aspen Park Drive, Watford | Freehold | 124 m² | £128,000 (1995) |
| 25 Aspen Park Drive, Watford | Freehold | 40 m² | £198,000 (2014) |
| 27 Aspen Park Drive, Watford | Freehold | 41 m² | £91,500 (2001) |
| 29 Aspen Park Drive, Watford | Freehold | 40 m² | £127,000 (2004) |