| 1, Ashtree Close, Newton Aycliffe | Freehold | 113 m² | £164,000 (2018) |
| 7, Ashtree Close, Newton Aycliffe | Freehold | 80 m² | £126,000 (2018) |
| 9 Ashtree Close, Newton Aycliffe | Freehold | 71 m² | £105,100 (2019) |
| 11 Ashtree Close, Newton Aycliffe, Newton Aycliffe | Freehold | 75 m² | £145,000 (2021) |
| 12, Ashtree Close, Newton Aycliffe | Freehold | 88 m² | £187,950 (2022) |
| 14, Ashtree Close, Newton Aycliffe | Freehold | 121 m² | £210,000 (2019) |
| 16, Ashtree Close, Newton Aycliffe | Freehold | 108 m² | £114,950 (2002) |
| 18, Ashtree Close, Newton Aycliffe | Freehold | 117 m² | £230,000 (2018) |
| 19, Ashtree Close, Newton Aycliffe | Freehold | 88 m² | £84,995 (2002) |
| 22 Ashtree Close, Newton Aycliffe | Freehold | 101 m² | £143,000 (2015) |
| 23, Ashtree Close, Newton Aycliffe | Freehold | 73 m² | £125,000 (2013) |
| 24, Ashtree Close, Newton Aycliffe | Freehold | 84 m² | £152,000 (2017) |
| 26 Ashtree Close, Newton Aycliffe | Freehold | 80 m² | £135,000 (2016) |
| 28 Ashtree Close, Newton Aycliffe | Freehold | 79 m² | £143,000 (2022) |
| 29, Ashtree Close, Newton Aycliffe | Freehold | 78 m² | £125,000 (2017) |
| 30 Ashtree Close, Newton Aycliffe | Freehold | 78 m² | £97,950 (2003) |
| 31, Ashtree Close, Newton Aycliffe | Freehold | 57 m² | £104,000 (2013) |
| 32, Ashtree Close, Newton Aycliffe | Freehold | 67 m² | £122,500 (2017) |
| 34, Ashtree Close, Newton Aycliffe | Freehold | 68 m² | £127,000 (2020) |
| 35 Ashtree Close, Newton Aycliffe, Newton Aycliffe | Freehold | 58 m² | £100,000 (2021) |
| 36, Ashtree Close, Newton Aycliffe | Freehold | 83 m² | £186,000 (2024) |
| 38, Ashtree Close, Newton Aycliffe | Freehold | 133 m² | £158,000 (2010) |
| 39 Ashtree Close, Newton Aycliffe | Freehold | 69 m² | £146,000 (2022) |
| 40, Ashtree Close, Newton Aycliffe | Freehold | 84 m² | £106,995 (2003) |
| 43, Ashtree Close, Newton Aycliffe | Freehold | 68 m² | £162,500 (2005) |
| 45, Ashtree Close, Newton Aycliffe | Freehold | 88 m² | £184,250 (2025) |
| 49 Ashtree Close, Newton Aycliffe | Freehold | 72 m² | £119,500 (2016) |
| 51 Ashtree Close, Newton Aycliffe | Freehold | 77 m² | £162,500 (2025) |
| 53 Ashtree Close, Newton Aycliffe | Freehold | 59 m² | £135,000 (2015) |
| 55 Ashtree Close, Newton Aycliffe | Freehold | 101 m² | £128,205 (2012) |
| 57, Ashtree Close, Newton Aycliffe | Freehold | 82 m² | £179,000 (2021) |