| Flat 1, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 94 m² | £340,000 (2014) |
| Flat 2, Blackthorn House, Romford | Leasehold | 78 m² | £250,000 (2014) |
| Flat 3 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 57 m² | £195,000 (2014) |
| Flat 4 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 79 m² | £358,000 (2019) |
| Flat 5 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 125 m² | £345,000 (2014) |
| Flat 6, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 61 m² | £190,000 (2014) |
| Flat 7, Blackthorn House, Romford | Leasehold | 77 m² | £245,000 (2014) |
| Flat 8 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 57 m² | £195,000 (2014) |
| Flat 9, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 92 m² | £240,000 (2014) |
| Flat 10, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 66 m² | £190,000 (2026) |
| Flat 11, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 64 m² | £270,000 (2016) |
| Flat 12 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 119 m² | £420,000 (2017) |
| Flat 13 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 88 m² | £299,995 (2014) |
| Flat 14, Blackthorn House, Romford | Leasehold | 51 m² | £205,000 (2014) |
| Flat 15, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 88 m² | £300,000 (2014) |
| Flat 16, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 117 m² | £360,000 (2015) |
| Flat 17, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 51 m² | £278,000 (2017) |
| Flat 18, Blackthorn House, Romford | Leasehold | 77 m² | £250,000 (2014) |
| Flat 19, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 68 m² | £255,000 (2014) |
| Flat 20 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 57 m² | £281,000 (2020) |
| Flat 21, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 74 m² | £360,000 (2018) |
| Flat 22 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 77 m² | £250,000 (2014) |
| Flat 23 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 51 m² | £193,500 (2014) |
| Flat 24 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 119 m² | £350,000 (2014) |
| Flat 25 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 88 m² | £400,000 (2016) |
| Flat 26, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 57 m² | £285,000 (2018) |
| Flat 27, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 88 m² | £310,000 (2014) |
| Flat 28 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 119 m² | £355,000 (2014) |
| Flat 29, Blackthorn House, Romford | Leasehold | 52 m² | £200,000 (2014) |
| Flat 30, Blackthorn House, Romford | Leasehold | 77 m² | £275,000 (2016) |
| Flat 31, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 74 m² | £335,000 (2021) |
| Flat 32 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 57 m² | £200,000 (2014) |
| Flat 33 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 76 m² | £250,000 (2014) |
| Flat 34, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 81 m² | £250,000 (2014) |
| Flat 35 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 51 m² | £270,000 (2024) |
| Flat 36, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 118 m² | £360,000 (2014) |
| Flat 37 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 88 m² | £297,500 (2014) |
| Flat 38 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 57 m² | £275,000 (2024) |
| Flat 39 Blackthorn House, 55, St. Clements Avenue, Romford | Leasehold | 88 m² | £440,000 (2024) |
| Flat 40, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 108 m² | £450,000 (2017) |
| Flat 41, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 50 m² | £205,000 (2014) |
| Flat 42, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 77 m² | £265,000 (2014) |
| Flat 43, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 80 m² | £265,000 (2014) |
| Flat 44, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 57 m² | £202,500 (2014) |
| Flat 45, Blackthorn House, 55 St. Clements Avenue, Romford | Leasehold | 77 m² | £260,000 (2014) |
| Flat 46, Blackthorn House, Romford | Leasehold | 79 m² | £250,000 (2014) |
| Flat 47, Blackthorn House, Romford | Leasehold | 52 m² | £278,000 (2018) |
