| 1, Heol Merlin, Llanishen, Cardiff | Freehold | 84 m² | £59,950 (1999) |
| 2, Heol Merlin, Llanishen, Cardiff | Freehold | 146 m² | £222,000 (2015) |
| 4 Heol Merlin, Llanishen, Cardiff | Freehold | 84 m² | £340,000 (2022) |
| 5 Heol Merlin, Llanishen, Cardiff | Freehold | 85 m² | £215,000 (2021) |
| 6, Heol Merlin, Llanishen, Cardiff | Freehold | 91 m² | £157,550 (2013) |
| 7 Heol Merlin, Llanishen, Cardiff, Cardiff | Freehold | 110 m² | £220,000 (2021) |
| 8 Heol Merlin, Llanishen, Cardiff | Freehold | 144 m² | £340,000 (2023) |
| 9, Heol Merlin, Llanishen, Cardiff | - | 86 m² | - |
| 10, Heol Merlin, Llanishen, Cardiff | - | 83 m² | - |
| 11 Heol Merlin, Llanishen, Cardiff | Freehold | 84 m² | £154,000 (2006) |
| 11A Ground Floor Flat, Heol Merlin, Llanishen, Cardiff | Leasehold | 53 m² | £115,000 (2009) |
| 11B First Floor Flat, Heol Merlin, Llanishen, Cardiff | Leasehold | 3 m² | £115,000 (2009) |
| 23, Heol Merlin, Llanishen, Cardiff | Freehold | 67 m² | £217,000 (2018) |
| 27 Heol Merlin, Llanishen, Cardiff | - | 86 m² | - |
| 30 Heol Merlin, Llanishen, Cardiff | Freehold | 116 m² | £285,000 (2024) |
| 32, Heol Merlin, Llanishen, Cardiff | Freehold | 95 m² | £140,000 (2010) |
| 34, Heol Merlin, Llanishen, Cardiff | Freehold | 95 m² | £260,000 (2021) |
| 36 Heol Merlin, Llanishen, Cardiff | Freehold | 99 m² | £191,000 (2013) |