| 23 Westpoint, Northumberland Street, Darlington, Darlington | Leasehold | 52 m² | £135,000 (2022) |
| Flat 1, Westpoint, Northumberland Street, Darlington | Leasehold | 83 m² | £187,000 (2007) |
| Flat 2 Westpoint, Northumberland Street, Darlington | Leasehold | 91 m² | £185,000 (2007) |
| Flat 3 Westpoint, Northumberland Street, Darlington | Leasehold | 77 m² | £175,000 (2006) |
| Flat 4 Westpoint, Northumberland Street, Darlington | Leasehold | 85 m² | £140,000 (2009) |
| Flat 5, Westpoint, Darlington | Leasehold | 72 m² | £135,000 (2025) |
| Flat 6, Westpoint, Northumberland Street, Darlington | Leasehold | 60 m² | £155,220 (2008) |
| Flat 7 Westpoint, Northumberland Street, Darlington | Leasehold | 76 m² | £133,000 (2025) |
| Flat 8, Westpoint, Northumberland Street, Darlington | Leasehold | 77 m² | £175,000 (2017) |
| Flat 9 Westpoint, Northumberland Street, Darlington | Leasehold | 73 m² | £118,000 (2015) |
| Flat 10 Westpoint, Northumberland Street, Darlington | Leasehold | 72 m² | £118,000 (2018) |
| Flat 12, Westpoint, Northumberland Street, Darlington | Leasehold | 78 m² | £155,000 (2014) |
| Flat 14 Westpoint, Northumberland Street, Darlington | Leasehold | 61 m² | £230,000 (2006) |
| Flat 15 Westpoint, Northumberland Street, Darlington | Leasehold | 64 m² | £128,000 (2016) |
| Flat 16, Westpoint, Northumberland Street, Darlington | Leasehold | 37 m² | £165,000 (2025) |
| Flat 17 Westpoint, Northumberland Street, Darlington | Leasehold | 66 m² | £104,000 (2013) |
| Flat 18, Westpoint, Northumberland Street, Darlington | Leasehold | 62 m² | £120,000 (2013) |
| Flat 19 Westpoint, Northumberland Street, Darlington | Leasehold | 163 m² | £244,000 (2024) |
| Flat 20, Westpoint, Northumberland Street, Darlington | - | 57 m² | - |
| Flat 21 Westpoint, Northumberland Street, Darlington | Leasehold | 80 m² | £145,000 (2016) |
| Flat 22, Westpoint, Northumberland Street, Darlington | Leasehold | 80 m² | £145,000 (2018) |
| Flat 24 Westpoint, Northumberland Street, Darlington | Leasehold | 80 m² | £133,850 (2010) |
| Flat 25 Westpoint, Northumberland Street, Darlington | Leasehold | 79 m² | £138,600 (2010) |
