| 1 Breck Apartments Blackpool, 10-12 Northumberland Avenue, Blackpool | - | 78 m² | - |
| 2 Breck Apartments Blackpool, 10-12 Northumberland Avenue, Blackpool | - | 77 m² | - |
| 3 Breck Apartments Blackpool, 10-12 Northumberland Avenue, Blackpool | - | 54 m² | - |
| 5 Northumberland Avenue, Blackpool | - | 108 m² | - |
| 5A Northumberland Avenue, Blackpool | - | 127 m² | - |
| 7, Northumberland Avenue, Blackpool | - | 134 m² | - |
| 17, Northumberland Avenue, Blackpool | Freehold | 167 m² | £165,000 (2021) |
| 18, Northumberland Avenue, Blackpool | Freehold | 125 m² | £115,000 (2010) |
| 20 Northumberland Avenue, Blackpool | Freehold | 121 m² | £135,000 (2021) |
| Flat 1, 11 Northumberland Avenue, Blackpool | - | 34 m² | - |
| Flat 1, 13-15 Northumberland Avenue, Blackpool | Freehold | 78 m² | £315,000 (2021) |
| Flat 2, 11 Northumberland Avenue, Blackpool | - | 41 m² | - |
| Flat 2, 13-15, Northumberland Avenue, Blackpool | Leasehold | 70 m² | £77,315 (2022) |
| Flat 3, 11 Northumberland Avenue, Blackpool | - | 66 m² | - |
| Flat 3, 13-15, Northumberland Avenue, Blackpool | Leasehold | 41 m² | £90,000 (2013) |
| Flat 4, 13-15 Northumberland Avenue, Blackpool, Blackpool | Leasehold | 52 m² | £64,000 (2021) |
| Flat 5, 13-15 Northumberland Avenue, Blackpool, Blackpool | Leasehold | 66 m² | £73,000 (2021) |
| Flat 6, 13-15 Northumberland Avenue, Blackpool, Blackpool | Leasehold | 60 m² | £73,000 (2021) |
| Flat 7, 13-15 Northumberland Avenue, Blackpool, Blackpool | Leasehold | 74 m² | £73,000 (2021) |
| Flat 8, 13-15, Northumberland Avenue, Blackpool | Leasehold | 97 m² | £95,000 (2019) |
| Flat 9, 13-15 Northumberland Avenue, Blackpool, Blackpool | Leasehold | 88 m² | £76,000 (2021) |
| Ground Floor Flat, 11 Northumberland Avenue, Blackpool | - | 84 m² | - |
