| 2 Romilly Drive, Watford | Freehold | 122 m² | £355,000 (2015) |
| 2A Romilly Drive, Watford | - | 106 m² | - |
| 4 Romilly Drive, Watford | - | 55 m² | - |
| 6, Romilly Drive, Watford | Freehold | 76 m² | £399,000 (2017) |
| 10, Romilly Drive, Watford | Freehold | 56 m² | £383,000 (2017) |
| 12, Romilly Drive, Watford | Freehold | 58 m² | £395,000 (2018) |
| 16, Romilly Drive, Watford | Freehold | 57 m² | £310,000 (2015) |
| 20, Romilly Drive, Watford | Freehold | 81 m² | £423,000 (2023) |
| 22 Romilly Drive, Watford | Freehold | 90 m² | £430,000 (2024) |
| 24, Romilly Drive, Watford | Freehold | 100 m² | £116,500 (1999) |
| 26, Romilly Drive, Watford | - | 62 m² | - |
| 28, Romilly Drive, Watford | - | 61 m² | - |
| 30 Romilly Drive, Watford | - | 62 m² | - |
| 32, Romilly Drive, Watford | - | 64 m² | - |
| 34 Romilly Drive, Watford | - | 59 m² | - |
| 38, Romilly Drive, Watford | - | 56 m² | - |
| 42, Romilly Drive, Watford | - | 62 m² | - |
| 46 Romilly Drive, Watford | - | 64 m² | - |
| 48, Romilly Drive, Watford | Leasehold | 63 m² | £138,000 (2011) |
| 50 Romilly Drive, Watford | - | 90 m² | - |
| 52, Romilly Drive, Watford | Freehold | 99 m² | £205,000 (2010) |
| 56 Romilly Drive, Watford | Freehold | 98 m² | £380,000 (2015) |
| 60, Romilly Drive, Watford | Freehold | 102 m² | £270,000 (2011) |
| 62, Romilly Drive, Watford | - | 79 m² | - |
| 64, Romilly Drive, Watford | Freehold | 83 m² | £242,000 (2012) |
| 66, Romilly Drive, Watford | - | 85 m² | - |
| 68 Romilly Drive, Watford | - | 79 m² | - |
| 72 Romilly Drive, Watford | - | 61 m² | - |
| 74, Romilly Drive, Watford | - | 62 m² | - |
| 76 Romilly Drive, Watford | Leasehold | 60 m² | £115,000 (2003) |
| 78 Romilly Drive, Watford | - | 60 m² | - |
| 80 Romilly Drive, Watford | - | 60 m² | - |
| 86, Romilly Drive, Watford | Leasehold | 60 m² | £280,000 (2026) |
| 88, Romilly Drive, Watford | - | 61 m² | - |
| 90, Romilly Drive, Watford | - | 62 m² | - |
| 92, Romilly Drive, Watford | - | 62 m² | - |
| 94, Romilly Drive, Watford | Freehold | 103 m² | £225,000 (2007) |
| 98 Romilly Drive, Watford | Freehold | 85 m² | £369,000 (2017) |
| 100, Romilly Drive, Watford | Freehold | 81 m² | £385,000 (2020) |
| 102 Romilly Drive, Carpenders Park, Carpenders Park | Freehold | 85 m² | £475,000 (2021) |
| 104, Romilly Drive, Watford | Freehold | 81 m² | £134,500 (2001) |
| 106 Romilly Drive, Watford | - | 85 m² | - |
| 108, Romilly Drive, Watford | Freehold | 84 m² | £277,500 (2013) |
| 110 Romilly Drive, Watford | - | 84 m² | - |
| 112, Romilly Drive, Watford | Freehold | 88 m² | £435,000 (2017) |
| 116 Romilly Drive, Carpenders Park, Carpenders Park | Freehold | 89 m² | £245,000 (2009) |
| 118, Romilly Drive, Watford | Freehold | 100 m² | £460,000 (2017) |
| 120, Romilly Drive, Watford | Freehold | 84 m² | £365,000 (2020) |
| 124, Romilly Drive, Watford | Freehold | 142 m² | £465,000 (2016) |