| 2, Washington Avenue, Middleton St. George, Darlington | Freehold | 83 m² | £170,000 (2020) |
| 4, Washington Avenue, Middleton St. George, Darlington | Freehold | 115 m² | £136,000 (2019) |
| 6, Washington Avenue, Middleton St. George, Darlington | Freehold | 96 m² | £145,000 (2020) |
| 8 Washington Avenue, Middleton St. George, Darlington | - | 82 m² | - |
| 10 Washington Avenue, Middleton St. George, Darlington | Freehold | 83 m² | £150,000 (2024) |
| 12, Washington Avenue, Middleton St. George, Darlington | Freehold | 81 m² | £177,000 (2022) |
| 14, Washington Avenue, Middleton St. George, Darlington | - | 78 m² | - |
| 18 Washington Avenue, Middleton St. George, Darlington | Freehold | 80 m² | £135,000 (2021) |
| 22, Washington Avenue, Middleton St. George, Darlington | Freehold | 97 m² | £136,000 (2014) |
| 24, Washington Avenue, Middleton St. George, Darlington | Freehold | 72 m² | £123,000 (2014) |
| 26 Washington Avenue, Middleton St. George, Darlington | Freehold | 81 m² | £112,000 (2025) |
| 28, Washington Avenue, Middleton St. George, Darlington | Freehold | 82 m² | £92,500 (2019) |
| 32, Washington Avenue, Middleton St. George, Darlington | Freehold | 112 m² | £150,000 (2012) |
| 34, Washington Avenue, Middleton St. George, Darlington | Freehold | 103 m² | £220,000 (2024) |
| 36 Washington Avenue, Middleton St. George, Darlington | Freehold | 77 m² | £130,000 (2024) |
| 38, Washington Avenue, Middleton St. George, Darlington | - | 82 m² | - |
| 40, Washington Avenue, Middleton St. George, Darlington | Freehold | 115 m² | £75,500 (2003) |
| 42, Washington Avenue, Middleton St. George, Darlington | Freehold | 100 m² | £135,000 (2013) |
| 46, Washington Avenue, Middleton St. George, Darlington | - | 84 m² | - |
| 48, Washington Avenue, Middleton St. George, Darlington | Freehold | 79 m² | £109,000 (2013) |
| 50 Washington Avenue, Middleton St. George, Darlington | Freehold | 73 m² | £145,000 (2024) |
| 54, Washington Avenue, Middleton St. George, Darlington | Freehold | 79 m² | £132,000 (2021) |
| 56, Washington Avenue, Middleton St. George, Darlington | Freehold | 89 m² | £121,000 (2010) |
| 58 Washington Avenue, Middleton St. George, Darlington | Freehold | 76 m² | £145,000 (2023) |