| 1, King Street, Gelli, Pentre | Freehold | 85 m² | £71,000 (2006) |
| 3, King Street, Gelli, Pentre | - | 71 m² | - |
| 4 King Street, Gelli, Pentre | Freehold | 79 m² | £81,000 (2022) |
| 5 King Street, Gelli, Pentre | Freehold | 90 m² | £127,500 (2025) |
| 6 King Street, Gelli, Pentre | Freehold | 72 m² | £69,000 (2020) |
| 8 King Street, Gelli, Pentre | Freehold | 76 m² | £134,995 (2026) |
| 9, King Street, Gelli, Pentre | Freehold | 70 m² | £59,950 (2006) |
| 10, King Street, Gelli, Pentre | Freehold | 83 m² | £62,500 (2018) |
| 11, King Street, Gelli, Pentre | - | 67 m² | - |
| 12, King Street, Gelli, Pentre | Freehold | 68 m² | £64,000 (2016) |
| 14 King Street, Gelli, Pentre | Freehold | 81 m² | £43,500 (2012) |
| 15, King Street, Gelli, Pentre | Freehold | 78 m² | £10,250 (2001) |
| 20, King Street, Gelli, Pentre | - | 78 m² | - |
| 21 King Street, Gelli, Pentre | Freehold | 77 m² | £78,000 (2025) |
| 22 King Street, Gelli, Pentre | - | 80 m² | - |
| 23 King Street, Gelli, Pentre | Freehold | 78 m² | £19,000 (2002) |
| 25, King Street, Gelli, Pentre | - | 74 m² | - |
| 26 King Street, Gelli, Pentre | - | 75 m² | - |
| 28 King Street, Gelli, Pentre | Freehold | 77 m² | £62,000 (2024) |
| 30 King Street, Gelli, Pentre | - | 72 m² | - |
| 32, King Street, Gelli, Pentre | Freehold | 70 m² | £75,000 (2020) |
| 33 King Street, Gelli, Pentre | - | 72 m² | - |
| 35 King Street, Gelli, Pentre | - | 71 m² | - |
| 36 King Street, Gelli, Pentre | - | 64 m² | - |
| 37 King Street, Gelli, Pentre | - | 79 m² | - |
| 38 King Street, Gelli, Pentre | - | 76 m² | - |
| 40 King Street, Gelli, Pentre | - | 72 m² | - |
| 41 King Street, Gelli, Pentre | - | 71 m² | - |
| 42, King Street, Gelli, Pentre | Freehold | 80 m² | £114,000 (2025) |
| 43 King Street, Gelli, Pentre | - | 64 m² | - |
| 44 King Street, Gelli, Pentre | - | 70 m² | - |
| 45 King Street, Gelli, Pentre | - | 70 m² | - |
| 46 King Street, Gelli, Pentre | - | 60 m² | - |
| 47, King Street, Gelli, Pentre | - | 75 m² | - |
| 48, King Street, Gelli, Pentre | - | 58 m² | - |
| 49 King Street, Gelli, Pentre | Freehold | 78 m² | £97,142 (2020) |