| 4, Hardwick Avenue, Chepstow | Freehold | 126 m² | £370,000 (2014) |
| 5 Hardwick Avenue, Chepstow | Freehold | 125 m² | £395,000 (2022) |
| 6 Hardwick Avenue, Chepstow, Chepstow | Freehold | 103 m² | £370,000 (2021) |
| 7 Hardwick Avenue, Chepstow | Freehold | 139 m² | £425,000 (2026) |
| 8, Hardwick Avenue, Chepstow | Freehold | 107 m² | £75,000 (1997) |
| 9 Hardwick Avenue, Chepstow | Freehold | 122 m² | £410,000 (2024) |
| 10 A Hardwick Avenue, Chepstow | Freehold | 166 m² | £700,000 (2024) |
| 10 Hardwick Avenue, Chepstow | Freehold | 138 m² | £400,000 (2008) |
| 15, Hardwick Avenue, Chepstow | Freehold | 103 m² | £190,000 (2013) |
| 17 Hardwick Avenue, Chepstow | - | 103 m² | - |
| 21 Hardwick Avenue, Chepstow | Freehold | 157 m² | £227,500 (2005) |
| 23A, Hardwick Avenue, Chepstow | Leasehold | 47 m² | £177,000 (2023) |
| 23B, Hardwick Avenue, Chepstow | Leasehold | 64 m² | £165,000 (2023) |
| 25 Hardwick Avenue, Chepstow | Freehold | 147 m² | £420,000 (2021) |
| 27, Hardwick Avenue, Chepstow | Freehold | 108 m² | £219,950 (2013) |
| 29 Hardwick Avenue, Chepstow | Freehold | 192 m² | £160,000 (2019) |
| Dunmarklyn, Hardwick Avenue, Chepstow | Freehold | 152 m² | £590,000 (2025) |
| Land Adj To Grosmont House, Hardwick Avenue, City Garden, Chepstow | Freehold | 166 m² | £600,000 (2026) |
| Step A Side, Hardwick Avenue, Chepstow | Freehold | 116 m² | £317,000 (2018) |
