| 2 Cowper Road, Markyate, St. Albans | Freehold | 79 m² | £85,500 (1997) |
| 4, Cowper Road, Markyate, St. Albans | - | 84 m² | - |
| 6, Cowper Road, Markyate, St. Albans | Freehold | 113 m² | £257,000 (2012) |
| 8, Cowper Road, Markyate, St. Albans | Freehold | 83 m² | £265,000 (2014) |
| 12, Cowper Road, Markyate, St. Albans | Freehold | 71 m² | £425,000 (2023) |
| 16 Cowper Road, Markyate, St. Albans | - | 92 m² | - |
| 18, Cowper Road, Markyate, St. Albans | Freehold | 170 m² | £215,000 (2010) |
| 20 Cowper Road, Markyate, Markyate | Freehold | 80 m² | £365,000 (2021) |
| 26 Cowper Road, Markyate, St. Albans | - | 91 m² | - |
| 32 Cowper Road, Markyate, St. Albans | - | 85 m² | - |
| 34, Cowper Road, Markyate, St. Albans | Freehold | 83 m² | £85,000 (1999) |
| 36, Cowper Road, Markyate, St. Albans | - | 83 m² | - |
| 38 Cowper Road, Markyate, Markyate | Freehold | 83 m² | £86,000 (1999) |
| 42 Cowper Road, Markyate, St. Albans | - | 84 m² | - |
| 44, Cowper Road, Markyate, St. Albans | Freehold | 96 m² | £250,000 (2011) |
| 46 Cowper Road, Markyate, St. Albans | - | 92 m² | - |
| 48 Cowper Road, Markyate, St. Albans | - | 83 m² | - |
| 50 Cowper Road, Markyate, St. Albans | - | 83 m² | - |
| 54 Cowper Road, Markyate, St. Albans | Freehold | 82 m² | £170,000 (2009) |
