| 1 Mardale Avenue, St. Helens | - | 84 m² | - |
| 2 Mardale Avenue, Moss Bank, St. Helens | - | 89 m² | - |
| 3, Mardale Avenue, St. Helens | Freehold | 101 m² | £110,000 (2018) |
| 4 Mardale Avenue, Moss Bank, St. Helens | - | 88 m² | - |
| 5 Mardale Avenue, Moss Bank, St. Helens | - | 80 m² | - |
| 6 Mardale Avenue, Moss Bank, St. Helens | - | 89 m² | - |
| 8 Mardale Avenue, Moss Bank, St. Helens | - | 89 m² | - |
| 10, Mardale Avenue, St. Helens | Freehold | 72 m² | £65,000 (2019) |
| 11, Mardale Avenue, St. Helens | - | 82 m² | - |
| 12 Mardale Avenue, St. Helens | Freehold | 85 m² | £125,000 (2024) |
| 13 Mardale Avenue, Moss Bank, St. Helens | - | 88 m² | - |
| 14 Mardale Avenue, Moss Bank, St. Helens | - | 89 m² | - |
| 15 Mardale Avenue, Moss Bank, St. Helens | - | 88 m² | - |
| 16 Mardale Avenue, St. Helens | Freehold | 97 m² | £23,560 (1998) |
| 18, Mardale Avenue, St. Helens | Freehold | 95 m² | £145,000 (2024) |
| 19, Mardale Avenue, St. Helens | - | 86 m² | - |
| 21, Mardale Avenue, St. Helens | Freehold | 95 m² | £92,000 (2015) |
| 22 Mardale Avenue, Moss Bank, St. Helens | - | 89 m² | - |
| 23 Mardale Avenue, St Helens, St Helens | Freehold | 83 m² | £130,000 (2021) |
| 24 Mardale Avenue, Moss Bank, St. Helens | - | 84 m² | - |
| 28 Mardale Avenue, Moss Bank, St. Helens | - | 82 m² | - |
| 30, Mardale Avenue, St. Helens | Freehold | 89 m² | £53,000 (2012) |
| 32, Mardale Avenue, St. Helens | Freehold | 91 m² | £159,000 (2024) |
