| 3 Smithfield Street, Llanidloes | Freehold | 85 m² | £138,500 (2022) |
| 4, Smithfield Street, Llanidloes | Freehold | 78 m² | £70,000 (2014) |
| 5, Smithfield Street, Llanidloes | Freehold | 78 m² | £109,000 (2020) |
| 6, Smithfield Street, Llanidloes | Freehold | 97 m² | £90,000 (2015) |
| 8 Smithfield Street, Llanidloes, Llanidloes | Freehold | 54 m² | £80,000 (2021) |
| 10, Smithfield Street, Llanidloes | Freehold | 75 m² | £58,000 (2003) |
| 12 Smithfield Street, Llanidloes | - | 243 m² | - |
| 19, Smithfield Street, Llanidloes | Freehold | 73 m² | £125,000 (2013) |
| 20 Smithfield Street, Llanidloes | Freehold | 81 m² | £200,000 (2025) |
| 22 Smithfield Street, Llanidloes | Freehold | 53 m² | £166,000 (2025) |
| 25, Smithfield Street, Llanidloes | Freehold | 93 m² | £105,000 (2004) |
| 26, Smithfield Street, Llanidloes | Freehold | 118 m² | £80,000 (2009) |
| 27, Smithfield Street, Llanidloes | Freehold | 68 m² | £128,500 (2023) |
| 28, Smithfield Street, Llanidloes | Freehold | 160 m² | £175,000 (2018) |
| 34 Smithfield Street, Llanidloes | Freehold | 78 m² | £122,500 (2023) |
| 35 Smithfield Street, Llanidloes | Freehold | 85 m² | £101,250 (2021) |
| 38, Smithfield Street, Llanidloes | Freehold | 59 m² | £19,000 (2002) |
| Argoed, Smithfield Street, Llanidloes | Freehold | 169 m² | £225,000 (2016) |
| Flat 1 Cwmaur, Smithfield Street, Llanidloes | - | 37 m² | - |
| Flat 1, 33, Smithfield Street, Llanidloes | - | 60 m² | - |
| Flat 2 Cwmaur, Smithfield Street, Llanidloes | - | 48 m² | - |
| Flat 2, 33, Smithfield Street, Llanidloes | - | 60 m² | - |
| Flat 3 Cwmaur, Smithfield Street, Llanidloes | - | 37 m² | - |
| Flat 3, 33, Smithfield Street, Llanidloes | - | 65 m² | - |
| Flat 4 Cwmaur, Smithfield Street, Llanidloes | - | 59 m² | - |
| Flat 5 Cwmaur, Smithfield Street, Llanidloes | - | 31 m² | - |
| Flat 6 Cwmaur, Smithfield Street, Llanidloes | - | 35 m² | - |
| Llys Amaeth, Smithfield Street, Llanidloes | Freehold | 122 m² | £147,000 (2020) |
| School House, Smithfield Street, Llanidloes | Freehold | 102 m² | £125,000 (2018) |