| 1 Lewis Street, Ystrad Mynach, Hengoed | Freehold | 63 m² | £88,000 (2015) |
| 3 Lewis Street, Ystrad Mynach, Hengoed | - | 76 m² | - |
| 5, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 61 m² | £156,000 (2025) |
| 6, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 119 m² | £38,000 (1999) |
| 9 Lewis Street, Ystrad Mynach, Hengoed | Freehold | 95 m² | £120,000 (2025) |
| 10, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 96 m² | £229,615 (2026) |
| 11, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 108 m² | £45,000 (1995) |
| 12, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 92 m² | £132,000 (2019) |
| 13, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 100 m² | £112,000 (2015) |
| 14, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 116 m² | £147,500 (2020) |
| 16 Lewis Street, Ystrad Mynach, Hengoed | Freehold | 102 m² | £116,000 (2005) |
| 19A, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 44 m² | £60,000 (2025) |
| 21 Lewis Street, Ystrad Mynach, Hengoed | Freehold | 92 m² | £182,000 (2022) |
| 23, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 91 m² | £59,950 (1999) |
| 24, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 138 m² | £210,000 (2023) |
| 25, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 164 m² | £202,000 (2018) |
| 26, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 97 m² | £143,000 (2013) |
| 27 Lewis Street, Ystrad Mynach, Hengoed | Freehold | 96 m² | £165,000 (2022) |
| 29, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 96 m² | £117,500 (2013) |
| 31, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 102 m² | £165,000 (2019) |
| 32, Lewis Street, Ystrad Mynach, Hengoed | - | 122 m² | - |
| 39, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 98 m² | £141,500 (2019) |
| 40, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 139 m² | £120,000 (2010) |
| 41, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 95 m² | £116,500 (2014) |
| 42, Lewis Street, Ystrad Mynach, Hengoed | Freehold | 104 m² | £170,000 (2022) |
| Bridge Croft, 34 Lewis Street, Ystrad Mynach, Hengoed | Freehold | 101 m² | £57,950 (1999) |