| 5, Mayfield Avenue, St. Helens | - | 89 m² | - |
| 13, Mayfield Avenue, St. Helens | Freehold | 73 m² | £115,000 (2019) |
| 15 Mayfield Avenue, St. Helens | Freehold | 72 m² | £127,000 (2022) |
| 19, Mayfield Avenue, St. Helens | - | 74 m² | - |
| 23, Mayfield Avenue, St. Helens | - | 71 m² | - |
| 25, Mayfield Avenue, St. Helens | Leasehold | 94 m² | £88,000 (2012) |
| 27, Mayfield Avenue, St. Helens | - | 78 m² | - |
| 35 Mayfield Avenue, St. Helens | - | 73 m² | - |
| 37, Mayfield Avenue, St. Helens | - | 73 m² | - |
| 41, Mayfield Avenue, St. Helens | - | 71 m² | - |
| 43, Mayfield Avenue, St. Helens | Leasehold | 89 m² | £120,000 (2017) |
| 45 Mayfield Avenue, St. Helens | Leasehold | 78 m² | £105,000 (2007) |
| 49, Mayfield Avenue, St. Helens | Leasehold | 74 m² | £132,000 (2020) |
| 57 Mayfield Avenue, St. Helens | Freehold | 76 m² | £160,000 (2025) |
| 61, Mayfield Avenue, St. Helens | Leasehold | 71 m² | £118,000 (2010) |
| 65, Mayfield Avenue, St. Helens | - | 97 m² | - |
| 71, Mayfield Avenue, St. Helens | Leasehold | 115 m² | £42,950 (1995) |
| 73 Mayfield Avenue, St. Helens | Freehold | 79 m² | £45,000 (1999) |
| 75, Mayfield Avenue, St. Helens | - | 90 m² | - |
| 83 Mayfield Avenue, St. Helens | Freehold | 72 m² | £135,000 (2025) |
| 85, Mayfield Avenue, St. Helens | - | 76 m² | - |
| 89, Mayfield Avenue, St. Helens | - | 71 m² | - |
| 91, Mayfield Avenue, St. Helens | - | 79 m² | - |
| 93, Mayfield Avenue, St. Helens | Freehold | 89 m² | £105,000 (2018) |
| 97 Mayfield Avenue, St. Helens | - | 75 m² | - |
| 103, Mayfield Avenue, St. Helens | Leasehold | 74 m² | £46,000 (1998) |
| 105 Mayfield Avenue, St. Helens | Freehold | 75 m² | £135,000 (2023) |
| 107, Mayfield Avenue, St. Helens | Leasehold | 80 m² | £97,000 (2005) |
| 109, Mayfield Avenue, St. Helens | Leasehold | 78 m² | £110,500 (2016) |
| 113 Mayfield Avenue, St. Helens | - | 72 m² | - |
| 115, Mayfield Avenue, St. Helens | - | 73 m² | - |
