| 403, Blackfen Road, Sidcup | Freehold | 119 m² | £265,000 (2002) |
| 405, Blackfen Road, Sidcup | Freehold | 96 m² | £455,000 (2025) |
| 405B Blackfen Road, Sidcup | Freehold | 103 m² | £470,000 (2025) |
| 409, Blackfen Road, Sidcup | Freehold | 95 m² | £420,000 (2020) |
| 409A Blackfen Road, Sidcup | - | 122 m² | - |
| 411, Blackfen Road, Sidcup | Freehold | 86 m² | £465,000 (2016) |
| 415 Blackfen Road, Sidcup | Freehold | 144 m² | £392,500 (2014) |
| 417 Blackfen Road, Sidcup | Freehold | 207 m² | £280,000 (2008) |
| 419, Blackfen Road, Sidcup | Freehold | 89 m² | £470,000 (2019) |
| 421, Blackfen Road, Sidcup | Freehold | 202 m² | £442,500 (2006) |
| 425, Blackfen Road, Sidcup | Leasehold | 69 m² | £122,500 (2008) |
| 425A, Blackfen Road, Sidcup | - | 69 m² | - |
| 427, Blackfen Road, Sidcup | - | 100 m² | - |
| 429 Blackfen Road, Sidcup | Freehold | 80 m² | £422,500 (2021) |
| Flat 1, 423 Blackfen Road, Sidcup | Leasehold | 36 m² | £222,500 (2022) |
| Flat 3, 423, Blackfen Road, Sidcup | Leasehold | 36 m² | £225,000 (2022) |
| Flat 4, 423 Blackfen Road, Sidcup | Leasehold | 36 m² | £230,000 (2022) |
| Flat 5, 423, Blackfen Road, Sidcup | Leasehold | 45 m² | £231,000 (2016) |
| Flat 6, 423 Blackfen Road, Sidcup | Leasehold | 37 m² | £230,000 (2025) |
| Flat 8, 423, Blackfen Road, Sidcup | Leasehold | 42 m² | £52,000 (1999) |
