| 1 River Avenue, Trelewis, Treharris | Freehold | 123 m² | £248,000 (2016) |
| 2, River Avenue, Trelewis, Treharris | Freehold | 102 m² | £229,950 (2018) |
| 3 River Avenue, Trelewis, Treharris | Freehold | 116 m² | £345,000 (2026) |
| 4, River Avenue, Trelewis, Treharris | Freehold | 76 m² | £239,995 (2013) |
| 5, River Avenue, Trelewis, Treharris | Freehold | 76 m² | £228,995 (2014) |
| 6, River Avenue, Trelewis, Treharris | Freehold | 110 m² | £195,000 (2013) |
| 7, River Avenue, Trelewis, Treharris | Freehold | 102 m² | £192,995 (2014) |
| 8, River Avenue, Trelewis, Treharris | Freehold | 76 m² | £200,000 (2021) |
| 9, River Avenue, Trelewis, Treharris | Freehold | 66 m² | £145,000 (2018) |
| 10, River Avenue, Trelewis, Treharris | Freehold | 78 m² | £170,000 (2021) |
| 11 River Avenue, Trelewis, Treharris | Freehold | 81 m² | £145,995 (2013) |
| 12 River Avenue, Trelewis, Treharris | Freehold | 104 m² | £291,000 (2024) |
| 13, River Avenue, Trelewis, Treharris | Freehold | 110 m² | £215,000 (2016) |
| 14 River Avenue, Trelewis, Treharris | Freehold | 89 m² | £169,995 (2014) |
| 15 River Avenue, Trelewis, Treharris | Freehold | 89 m² | £174,995 (2014) |
| 16 River Avenue, Trelewis, Treharris | Freehold | 110 m² | £206,995 (2014) |
| 17 River Avenue, Trelewis, Treharris | Freehold | 100 m² | £192,000 (2014) |
| 18 River Avenue, Trelewis, Treharris | Freehold | 105 m² | £310,000 (2022) |
| 19 River Avenue, Trelewis, Treharris | Freehold | 78 m² | £260,000 (2025) |
| 20, River Avenue, Trelewis, Treharris | Freehold | 89 m² | £187,000 (2018) |
| 21, River Avenue, Trelewis, Treharris | Freehold | 84 m² | £156,995 (2014) |
| 22 River Avenue, Trelewis, Treharris | Freehold | 67 m² | £129,500 (2014) |
| 23 River Avenue, Trelewis, Treharris | Freehold | 83 m² | £190,000 (2021) |
| 24, River Avenue, Trelewis, Treharris | Freehold | 84 m² | £159,995 (2014) |
| 25 River Avenue, Trelewis, Treharris | Freehold | 101 m² | £315,000 (2025) |
| 26, River Avenue, Trelewis, Treharris | Freehold | 105 m² | £190,000 (2015) |
| 27, River Avenue, Trelewis, Treharris | Freehold | 110 m² | £209,995 (2015) |
| 28, River Avenue, Trelewis, Treharris | Freehold | 110 m² | £204,500 (2014) |
| 29, River Avenue, Trelewis, Treharris | Freehold | 109 m² | £300,000 (2021) |
| 30, River Avenue, Trelewis, Treharris | Freehold | 109 m² | £225,000 (2017) |
| 31, River Avenue, Trelewis, Treharris | Freehold | 98 m² | £203,000 (2016) |
| 32, River Avenue, Trelewis, Treharris | Freehold | 89 m² | £195,000 (2019) |
| 33, River Avenue, Trelewis, Treharris | Freehold | 89 m² | £165,000 (2015) |
| 34, River Avenue, Trelewis, Treharris | Freehold | 89 m² | £165,000 (2015) |
| 35, River Avenue, Trelewis, Treharris | Freehold | 89 m² | £174,750 (2015) |
| 36, River Avenue, Trelewis, Treharris | Freehold | 89 m² | £195,000 (2019) |
| 37 River Avenue, Trelewis, Treharris | Freehold | 85 m² | £260,000 (2022) |