| 25 Blackdown Grove, Ashtons Green, St. Helens | - | 74 m² | - |
| 27 Blackdown Grove, Ashtons Green, St. Helens | - | 78 m² | - |
| 30, Blackdown Grove, St. Helens | Freehold | 87 m² | £16,500 (1995) |
| 32, Blackdown Grove, St. Helens | Freehold | 77 m² | £73,500 (2020) |
| 35 Blackdown Grove, Ashtons Green, St. Helens | - | 72 m² | - |
| 36 Blackdown Grove, Ashtons Green, St. Helens | - | 60 m² | - |
| 38 Blackdown Grove, Ashtons Green, St. Helens | - | 72 m² | - |
| 40 Blackdown Grove, Ashtons Green, St. Helens | - | 78 m² | - |
| 41 Blackdown Grove, Ashtons Green, St. Helens | - | 78 m² | - |
| 43, Blackdown Grove, St. Helens | Freehold | 75 m² | £69,950 (2016) |
| 45, Blackdown Grove, St. Helens | Freehold | 85 m² | £55,000 (2011) |
| 47, Blackdown Grove, St. Helens | Freehold | 85 m² | £62,500 (2013) |
| 48, Blackdown Grove, St. Helens | - | 65 m² | - |
| 49, Blackdown Grove, St. Helens | Freehold | 81 m² | £127,500 (2024) |
| 50 Blackdown Grove, Ashtons Green, St. Helens | - | 75 m² | - |
| 51, Blackdown Grove, St. Helens | - | 90 m² | - |
| 52 Blackdown Grove, St. Helens | - | 77 m² | - |
| 55, Blackdown Grove, St. Helens | Freehold | 87 m² | £75,000 (2018) |
| 56 Blackdown Grove, Ashtons Green, St. Helens | - | 72 m² | - |
| 58 Blackdown Grove, Ashtons Green, St. Helens | - | 72 m² | - |
| 59, Blackdown Grove, St. Helens | Freehold | 83 m² | £73,500 (2020) |
| 60 Blackdown Grove, Ashtons Green, St. Helens | - | 81 m² | - |
| 61 Blackdown Grove, Ashtons Green, St. Helens | - | 78 m² | - |
| 62 Blackdown Grove, Ashtons Green, St. Helens | - | 78 m² | - |
| 63 Blackdown Grove, Ashtons Green, St. Helens | - | 70 m² | - |
| 64, Blackdown Grove, St. Helens | Freehold | 83 m² | £61,500 (2014) |
| 66, Blackdown Grove, St. Helens | - | 78 m² | - |
| 67, Blackdown Grove, St. Helens | Freehold | 75 m² | £52,000 (2016) |
| 68, Blackdown Grove, St. Helens | Freehold | 64 m² | £73,000 (2008) |
| 69 Blackdown Grove, St Helens, St Helens | Freehold | 81 m² | £75,000 (2021) |
| 71 Blackdown Grove, St. Helens | - | 74 m² | - |
| 73 Blackdown Grove, Ashtons Green, St. Helens | - | 75 m² | - |
| 79, Blackdown Grove, St. Helens | Freehold | 82 m² | £85,000 (2008) |
| 83 Blackdown Grove, Ashtons Green, St. Helens | - | 75 m² | - |
| 85 Blackdown Grove, St. Helens | - | 69 m² | - |
| 87 Blackdown Grove, St. Helens | Freehold | 77 m² | £60,000 (2005) |
| 89 Blackdown Grove, St Helens, St Helens | Freehold | 76 m² | £81,000 (2021) |
| 91 Blackdown Grove, Ashtons Green, St. Helens | - | 74 m² | - |
| 93, Blackdown Grove, St. Helens | Freehold | 74 m² | £65,000 (2017) |
| 99, Blackdown Grove, St. Helens | Freehold | 71 m² | £75,000 (2019) |
| 101, Blackdown Grove, St. Helens | Freehold | 81 m² | £75,000 (2021) |
| 103 Blackdown Grove, St. Helens | - | 74 m² | - |
