| 1, Constantine Road, Caernarfon | - | 177 m² | - |
| 2, Constantine Road, Caernarfon | Freehold | 180 m² | £274,000 (2025) |
| 4, Constantine Road, Caernarfon | Freehold | 147 m² | £90,500 (2005) |
| 5, Constantine Road, Caernarfon | - | 156 m² | - |
| 7, Constantine Road, Caernarfon | Freehold | 148 m² | £160,000 (2019) |
| 8 Constantine Road, Caernarfon | Freehold | 148 m² | £140,000 (2024) |
| 9, Constantine Road, Caernarfon | - | 163 m² | - |
| 11, Constantine Road, Caernarfon | Freehold | 182 m² | £66,000 (1999) |
| 13, Constantine Road, Caernarfon | - | 177 m² | - |
| 15, Constantine Road, Caernarfon | Freehold | 170 m² | £27,000 (2000) |
| 16 Constantine Road, Caernarfon | Freehold | 157 m² | £275,000 (2023) |
| 17 Constantine Road, Caernarfon | Freehold | 189 m² | £280,000 (2022) |
| 18, Constantine Road, Caernarfon | - | 226 m² | - |
| 20, Constantine Road, Caernarfon | Freehold | 153 m² | £197,000 (2020) |
| 22, Constantine Road, Caernarfon | Freehold | 163 m² | £218,000 (2015) |
| 23, Constantine Road, Caernarfon | - | 203 m² | - |
| 27, Constantine Road, Caernarfon | Freehold | 174 m² | £183,500 (2015) |
| 30 Constantine Road, Caernarfon | Freehold | 172 m² | £320,000 (2023) |
| 35 Constantine Road, Caernarfon | Freehold | 113 m² | £280,000 (2022) |
| Bron Y Dre, 14 Constantine Road, Caernarfon, Caernarfon | Freehold | 155 m² | £180,000 (2008) |
| Cae Rhyd, 24 Constantine Road, Caernarfon, Caernarfon | Freehold | 174 m² | £300,000 (2022) |
| Flat 1, 3 Constantine Road, Caernarfon | - | 43 m² | - |
| Flat 1/A, 25, Constantine Road, Caernarfon | - | 75 m² | - |
| Flat 1/B, 25, Constantine Road, Caernarfon | - | 59 m² | - |
| Flat 1/C, 25, Constantine Road, Caernarfon | - | 49 m² | - |
| Flat 2, 3 Constantine Road, Caernarfon | - | 95 m² | - |
