| 3, Osborne Close, Darlington | Freehold | 71 m² | £159,950 (2004) |
| 7 Osborne Close, Darlington | Freehold | 112 m² | £200,000 (2022) |
| 9, Osborne Close, Darlington | Freehold | 65 m² | £124,500 (2003) |
| 10 Osborne Close, Darlington | Freehold | 75 m² | £205,000 (2024) |
| 14, Osborne Close, Darlington | Freehold | 56 m² | £122,000 (2016) |
| 15, Osborne Close, Darlington | - | 65 m² | - |
| 16, Osborne Close, Darlington | Freehold | 72 m² | £168,500 (2014) |
| 17 Osborne Close, Darlington | Freehold | 63 m² | £170,000 (2022) |
| 20, Osborne Close, Darlington | Freehold | 62 m² | £47,000 (1998) |
| 21, Osborne Close, Darlington | Freehold | 67 m² | £150,000 (2011) |
| 22 Osborne Close, Darlington | Freehold | 57 m² | £166,000 (2021) |
| 23, Osborne Close, Darlington | Freehold | 82 m² | £130,000 (2012) |
| 24 Osborne Close, Darlington | Freehold | 60 m² | £136,000 (2007) |
| 27, Osborne Close, Darlington | Freehold | 82 m² | £151,000 (2017) |
| 29, Osborne Close, Darlington | Freehold | 63 m² | £110,000 (2016) |
| 30, Osborne Close, Darlington | Freehold | 66 m² | £165,000 (2019) |
| 31 Osborne Close, Darlington, Darlington | Freehold | 91 m² | £220,000 (2021) |
| 33, Osborne Close, Darlington | Freehold | 92 m² | £176,000 (2019) |
| 34, Osborne Close, Darlington | Freehold | 68 m² | £59,695 (2002) |
| 36, Osborne Close, Darlington | Freehold | 74 m² | £188,500 (2010) |
| 38, Osborne Close, Darlington | Freehold | 65 m² | £127,500 (2016) |
| 39, Osborne Close, Darlington | Freehold | 75 m² | £165,000 (2018) |
| 41 Osborne Close, Darlington | Freehold | 75 m² | £165,000 (2024) |