| 75 Grandfield Avenue, Watford | - | 105 m² | - |
| Flat 1, 101, Grandfield Avenue, Watford | Leasehold | 66 m² | £229,000 (2013) |
| Flat 1, 103 Grandfield Avenue, Watford | Freehold | 56 m² | £335,000 (2019) |
| Flat 1, 105 Grandfield Avenue, Watford | Leasehold | 55 m² | £158,000 (2003) |
| Flat 2, 101 Grandfield Avenue, Watford | Leasehold | 69 m² | £175,000 (2004) |
| Flat 2, 103, Grandfield Avenue, Watford | Leasehold | 58 m² | £265,000 (2021) |
| Flat 2, 105, Grandfield Avenue, Watford | Leasehold | 55 m² | £262,000 (2020) |
| Flat 3, 101, Grandfield Avenue, Watford | Leasehold | 69 m² | £335,000 (2016) |
| Flat 3, 103, Grandfield Avenue, Watford | Leasehold | 58 m² | £300,000 (2020) |
| Flat 4, 101 Grandfield Avenue, Watford | Leasehold | 72 m² | £287,500 (2022) |
| Flat 4, 103 Grandfield Avenue, Watford | Leasehold | 56 m² | £155,000 (2004) |
| Flat 4, 105 Grandfield Avenue, Watford | Leasehold | 56 m² | £288,000 (2019) |
| Flat 5, 101, Grandfield Avenue, Watford | Leasehold | 69 m² | £180,000 (2004) |
| Flat 5, 103, Grandfield Avenue, Watford | Leasehold | 56 m² | £157,000 (2008) |
| Flat 5, 105, Grandfield Avenue, Watford | Leasehold | 56 m² | £145,000 (2002) |
| Flat 6, 103 Grandfield Avenue, Watford | Leasehold | 63 m² | £121,000 (2001) |
| Flat 6, 105 Grandfield Avenue, Watford, Watford | Leasehold | 56 m² | £312,500 (2023) |
| Flat 7, 101, Grandfield Avenue, Watford | Leasehold | 74 m² | £255,000 (2014) |
| Flat 7, 103 Grandfield Avenue, Watford | Leasehold | 63 m² | £270,000 (2025) |
| Flat 7, 105 Grandfield Avenue, Watford | Leasehold | 65 m² | £116,000 (2000) |
| Flat 8, 101 Grandfield Avenue, Watford | Leasehold | 69 m² | £182,500 (2006) |
| Flat 8, 103 Grandfield Avenue, Watford | Leasehold | 56 m² | £307,500 (2024) |
| Flat 9, 101, Grandfield Avenue, Watford | Leasehold | 70 m² | £168,985 (2015) |
| Flat 9, 103 Grandfield Avenue, Watford | Leasehold | 56 m² | £46,000 (1996) |
| Flat 9, 105 Grandfield Avenue, Watford | Leasehold | 56 m² | £311,000 (2016) |
| Flat 10, 101 Grandfield Avenue, Watford | - | 74 m² | - |
| Flat 10, 105, Grandfield Avenue, Watford | Leasehold | 56 m² | £139,950 (2002) |
| Flat 11, 101 Grandfield Avenue, Watford | Leasehold | 74 m² | £330,000 (2025) |
| Flat 11, 103 Grandfield Avenue, Watford | Leasehold | 64 m² | £180,000 (2007) |
| Flat 11, 105 Grandfield Avenue, Watford | - | 63 m² | - |
| Flat 12, 101, Grandfield Avenue, Watford | Leasehold | 69 m² | £123,000 (2000) |
| Flat 12, 103 Grandfield Avenue, Watford | - | 56 m² | - |
