| 2 Cornwall Avenue, Darlington | Freehold | 896 m² | £120,000 (2016) |
| 3, Cornwall Avenue, Darlington | Freehold | 105 m² | £116,000 (2015) |
| 4, Cornwall Avenue, Darlington | Freehold | 128 m² | £165,000 (2025) |
| 6 Cornwall Avenue, Darlington | - | 78 m² | - |
| 8, Cornwall Avenue, Darlington | Freehold | 47 m² | £163,000 (2026) |
| 9, Cornwall Avenue, Darlington | Freehold | 59 m² | £110,000 (2015) |
| 11, Cornwall Avenue, Darlington | Freehold | 73 m² | £72,000 (2015) |
| 15, Cornwall Avenue, Darlington | Freehold | 59 m² | £105,000 (2017) |
| 16 Cornwall Avenue, Darlington | Freehold | 83 m² | £100,000 (2024) |
| 18 Cornwall Avenue, Darlington | Freehold | 56 m² | £120,000 (2023) |
| 21 Cornwall Avenue, Darlington, Darlington | Freehold | 78 m² | £90,000 (2017) |
| 24 Cornwall Avenue, Darlington | Freehold | 59 m² | £175,000 (2025) |
| 26, Cornwall Avenue, Darlington | Freehold | 44 m² | £115,000 (2018) |
| 30, Cornwall Avenue, Darlington | Freehold | 66 m² | £90,000 (2013) |
| 31, Cornwall Avenue, Darlington | Freehold | 84 m² | £118,000 (2020) |
| 32 Cornwall Avenue, Darlington | Freehold | 56 m² | £177,000 (2021) |
| 35, Cornwall Avenue, Darlington | Freehold | 78 m² | £76,000 (2014) |
| 36, Cornwall Avenue, Darlington | Freehold | 58 m² | £115,000 (2006) |
| 37, Cornwall Avenue, Darlington | Freehold | 76 m² | £85,000 (2019) |
| 39, Cornwall Avenue, Darlington | Freehold | 75 m² | £90,000 (2018) |
| 40 Cornwall Avenue, Darlington | Freehold | 69 m² | £155,000 (2025) |
| 41, Cornwall Avenue, Darlington | Freehold | 76 m² | £90,000 (2014) |
| 43, Cornwall Avenue, Darlington | Freehold | 97 m² | £116,000 (2004) |
| 46, Cornwall Avenue, Darlington | - | 160 m² | - |
| 47, Cornwall Avenue, Darlington | Freehold | 120 m² | £85,000 (2007) |
| 51, Cornwall Avenue, Darlington | - | 150 m² | - |