| 3 Harlequin Court, Penylan, Cardiff, Cardiff | Leasehold | 24 m² | £60,000 (2021) |
| 6 Harlequin Court, Penylan, Cardiff, Cardiff | Leasehold | 32 m² | £45,000 (2009) |
| 19 Harlequin Court, Penylan, Cardiff, Cardiff | Leasehold | 48 m² | £44,950 (1999) |
| 27 Harlequin Court, Penylan, Cardiff, Cardiff | Leasehold | 42 m² | £89,500 (2020) |
| 39 Harlequin Court, Penylan, Cardiff, Cardiff | Leasehold | 42 m² | £40,000 (1999) |
| Flat 1 Harlequin Court, Newport Road, Cardiff | Leasehold | 32 m² | £90,500 (2020) |
| Flat 2, Harlequin Court, Newport Road, Cardiff | Leasehold | 25 m² | £70,000 (2017) |
| Flat 4 Harlequin Court, Newport Road, Cardiff | Leasehold | 33 m² | £40,000 (2001) |
| Flat 7 Harlequin Court, Newport Road, Cardiff | Leasehold | 35 m² | £65,000 (2003) |
| Flat 8 Harlequin Court, Newport Road, Cardiff | Leasehold | 24 m² | £69,000 (2006) |
| Flat 10 Harlequin Court, Newport Road, Cardiff | Leasehold | 55 m² | £101,000 (2008) |
| Flat 11, Harlequin Court, Newport Road, Cardiff | Leasehold | 43 m² | £68,000 (2022) |
| Flat 12 Harlequin Court, Newport Road, Cardiff | Leasehold | 19 m² | £129,950 (2025) |
| Flat 14 Harlequin Court, Newport Road, Cardiff | Leasehold | 52 m² | £113,000 (2019) |
| Flat 15, Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £113,000 (2022) |
| Flat 16 Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £55,000 (2002) |
| Flat 17 Harlequin Court, Newport Road, Cardiff | Leasehold | 55 m² | £117,500 (2020) |
| Flat 18 Harlequin Court, Newport Road, Cardiff | Leasehold | 32 m² | £89,950 (2004) |
| Flat 20, Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £93,000 (2019) |
| Flat 21, Harlequin Court, Newport Road, Cardiff | - | 55 m² | - |
| Flat 22 Harlequin Court, Newport Road, Cardiff | Leasehold | 47 m² | £120,000 (2023) |
| Flat 23, Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £112,000 (2025) |
| Flat 24, Harlequin Court, Newport Road, Cardiff | Leasehold | 60 m² | £118,000 (2025) |
| Flat 25 Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £70,000 (2015) |
| Flat 26 Harlequin Court, Newport Road, Cardiff | Leasehold | 55 m² | £115,000 (2022) |
| Flat 28 Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £77,500 (2019) |
| Flat 30 Harlequin Court, Newport Road, Cardiff | Leasehold | 43 m² | £90,000 (2021) |
| Flat 31 Harlequin Court, Newport Road, Cardiff | Leasehold | 55 m² | £70,000 (2014) |
| Flat 32 Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £69,000 (2009) |
| Flat 33 Harlequin Court, Newport Road, Cardiff | Leasehold | 55 m² | £126,500 (2023) |
| Flat 34, Harlequin Court, Newport Road, Cardiff | Leasehold | 53 m² | £105,000 (2021) |
| Flat 35 Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £54,000 (2002) |
| Flat 36, Harlequin Court, Newport Road, Cardiff | Leasehold | 54 m² | £110,000 (2020) |
| Flat 37, Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £95,000 (2005) |
| Flat 38 Harlequin Court, Newport Road, Cardiff | Leasehold | 54 m² | £87,000 (2015) |
| Flat 40 Harlequin Court, Newport Road, Cardiff | Leasehold | 43 m² | £80,000 (2008) |
| Flat 41 Harlequin Court, Newport Road, Cardiff | Leasehold | 54 m² | £106,000 (2019) |
| Flat 43, Harlequin Court, Cardiff | Leasehold | 40 m² | £98,001 (2018) |
| Flat 44 Harlequin Court, Newport Road, Cardiff | Leasehold | 42 m² | £92,500 (2007) |
| Flat 45, Harlequin Court, Newport Road, Cardiff | Leasehold | 55 m² | £89,000 (2016) |
