| 1, Ullswater Avenue, Darlington | - | 70 m² | - |
| 2 Ullswater Avenue, Darlington | Freehold | 72 m² | £170,000 (2025) |
| 3, Ullswater Avenue, Darlington | - | 59 m² | - |
| 6 Ullswater Avenue, Darlington | Freehold | 72 m² | £155,000 (2025) |
| 7, Ullswater Avenue, Darlington | - | 101 m² | - |
| 8, Ullswater Avenue, Darlington | Freehold | 74 m² | £112,000 (2013) |
| 9 Ullswater Avenue, Darlington | - | 60 m² | - |
| 10, Ullswater Avenue, Darlington | Freehold | 96 m² | £121,000 (2010) |
| 11, Ullswater Avenue, Darlington | - | 58 m² | - |
| 12, Ullswater Avenue, Darlington | Freehold | 74 m² | £100,000 (2017) |
| 15 Ullswater Avenue, Darlington | - | 60 m² | - |
| 16 Ullswater Avenue, Darlington | Freehold | 61 m² | £128,000 (2023) |
| 17, Ullswater Avenue, Darlington | - | 61 m² | - |
| 20, Ullswater Avenue, Darlington | Freehold | 55 m² | £115,000 (2023) |
| 22 Ullswater Avenue, Darlington, Darlington | Freehold | 59 m² | £108,000 (2021) |
| 24, Ullswater Avenue, Darlington | Freehold | 58 m² | £53,995 (2001) |
| 30, Ullswater Avenue, Darlington | Freehold | 85 m² | £124,000 (2015) |
| 34, Ullswater Avenue, Darlington | Freehold | 74 m² | £113,000 (2013) |
| 36 Ullswater Avenue, Darlington | Freehold | 82 m² | £91,500 (2014) |
| 40, Ullswater Avenue, Darlington | Freehold | 73 m² | £99,000 (2014) |
| 42, Ullswater Avenue, Darlington | Freehold | 73 m² | £150,000 (2021) |
| 44 Ullswater Avenue, Darlington | Freehold | 75 m² | £132,500 (2005) |
| 46, Ullswater Avenue, Darlington | Freehold | 82 m² | £140,000 (2021) |