| 2 Parker Avenue, Hertford, Hertford | Freehold | 77 m² | £240,000 (2011) |
| 4, Parker Avenue, Hertford | Freehold | 100 m² | £280,000 (2014) |
| 5, Parker Avenue, Hertford | - | 71 m² | - |
| 6, Parker Avenue, Hertford | Freehold | 137 m² | £730,000 (2021) |
| 7, Parker Avenue, Hertford | - | 66 m² | - |
| 10, Parker Avenue, Hertford | Freehold | 84 m² | £410,000 (2017) |
| 11 Parker Avenue, Hertford | Freehold | 101 m² | £500,000 (2025) |
| 12, Parker Avenue, Hertford | Freehold | 82 m² | £489,500 (2016) |
| 13 Parker Avenue, Hertford | Freehold | 85 m² | £635,000 (2025) |
| 17 Parker Avenue, Hertford | Freehold | 100 m² | £429,995 (2019) |
| 19, Parker Avenue, Hertford | Freehold | 76 m² | £600,000 (2022) |
| 20, Parker Avenue, Hertford | - | 85 m² | - |
| 24 Parker Avenue, Hertford | Freehold | 113 m² | £75,500 (1996) |
| 25, Parker Avenue, Hertford | - | 68 m² | - |
| 26, Parker Avenue, Hertford | Freehold | 85 m² | £267,000 (2012) |
| 29 Parker Avenue, Hertford | - | 62 m² | - |
| 33 Parker Avenue, Hertford, Hertford | - | 80 m² | - |
| 34, Parker Avenue, Hertford | - | 85 m² | - |
| 35, Parker Avenue, Hertford | Freehold | 114 m² | £287,500 (2009) |
| 39 Parker Avenue, Hertford | - | 76 m² | - |
| 41, Parker Avenue, Hertford | - | 67 m² | - |
| 43, Parker Avenue, Hertford | Freehold | 78 m² | £245,000 (2007) |
