| 9 Duffryn Street, Tiryberth, Caerphilly | - | 123 m² | - |
| 10, Duffryn Street, Tir-Y-Berth, Hengoed | Leasehold | 122 m² | £160,000 (2020) |
| 11, Duffryn Street, Tir-Y-Berth, Hengoed | Freehold | 123 m² | £125,000 (2014) |
| 12, Duffryn Street, Tir-Y-Berth, Hengoed | Leasehold | 124 m² | £62,000 (2009) |
| 13 Duffryn Street, Tir-Y-Berth, Hengoed | - | 148 m² | - |
| 14, Duffryn Street, Tir-Y-Berth, Hengoed | - | 146 m² | - |
| 16 Duffryn Street, Tir-Y-Berth, Hengoed | Leasehold | 90 m² | £138,000 (2026) |
| 18, Duffryn Street, Tir-Y-Berth, Hengoed | Freehold | 90 m² | £72,000 (2012) |
| 19 Duffryn Street, Tir-Y-Berth, Hengoed | Leasehold | 80 m² | £95,000 (2021) |
| 23, Duffryn Street, Tir-Y-Berth, Hengoed | Leasehold | 96 m² | £100,000 (2019) |
| 27 Duffryn Street, Tir-Y-Berth, Hengoed | Freehold | 88 m² | £75,000 (2007) |
| 28, Duffryn Street, Tir-Y-Berth, Hengoed | Leasehold | 79 m² | £115,500 (2023) |
| 30, Duffryn Street, Tir-Y-Berth, Hengoed | Leasehold | 78 m² | £73,000 (2014) |
| 31 Duffryn Street, Tir-Y-Berth, Hengoed | Leasehold | 79 m² | £127,000 (2024) |
| 33 Duffryn Street, Tiryberth, Caerphilly | - | 81 m² | - |
| 34, Duffryn Street, Tir-Y-Berth, Hengoed | Freehold | 90 m² | £98,000 (2018) |
| 36, Duffryn Street, Tir-Y-Berth, Hengoed | Freehold | 81 m² | £81,000 (2019) |
| 37 Duffryn Street, Tir-Y-Berth, Hengoed | - | 126 m² | - |
| 38, Duffryn Street, Tir-Y-Berth, Hengoed | Freehold | 180 m² | £99,000 (2005) |
| 39 Duffryn Street, Tir-Y-Berth, Hengoed | - | 66 m² | - |