| 1, Llewellyn Street, Gilfach, Bargoed | Freehold | 71 m² | £107,000 (2019) |
| 2, Llewellyn Street, Gilfach, Bargoed | Freehold | 72 m² | £70,000 (2013) |
| 5 Llewellyn Street, Gilfach, Bargoed | Leasehold | 83 m² | £149,000 (2021) |
| 9, Llewellyn Street, Gilfach, Bargoed | Leasehold | 59 m² | £111,000 (2021) |
| 10, Llewellyn Street, Gilfach, Bargoed | Freehold | 78 m² | £105,000 (2022) |
| 12, Llewellyn Street, Gilfach, Bargoed | Freehold | 73 m² | £105,500 (2021) |
| 13, Llewellyn Street, Gilfach, Bargoed | Leasehold | 74 m² | £114,995 (2025) |
| 15, Llewellyn Street, Gilfach, Bargoed | Leasehold | 60 m² | £65,000 (2013) |
| 17, Llewellyn Street, Gilfach, Bargoed | Freehold | 102 m² | £170,000 (2023) |
| 18, Llewellyn Street, Gilfach, Bargoed | Freehold | 101 m² | £130,000 (2021) |
| 21 Llewellyn Street, Gilfach, Bargoed | Leasehold | 57 m² | £63,000 (2023) |
| 23, Llewellyn Street, Gilfach, Bargoed | Leasehold | 57 m² | £88,375 (2021) |
| 24 Llewellyn Street, Gilfach, Bargoed | Freehold | 58 m² | £118,000 (2025) |
| 26, Llewellyn Street, Gilfach, Bargoed | Leasehold | 59 m² | £69,950 (2005) |
| 27, Llewellyn Street, Gilfach, Bargoed | - | 59 m² | - |
| 28 Llewellyn Street, Gilfach, Bargoed | - | 59 m² | - |
| 29 Llewellyn Street, Gilfach, Bargoed | Leasehold | 59 m² | £120,000 (2025) |
| 30, Llewellyn Street, Gilfach, Bargoed | Leasehold | 59 m² | £52,000 (2018) |