| 1 Irfon Road, Builth Wells | Freehold | 83 m² | £185,000 (2016) |
| 3 Irfon Road, Builth Wells | Freehold | 126 m² | £327,500 (2025) |
| 5 Irfon Road, Builth Wells | Freehold | 182 m² | £370,000 (2023) |
| 7, Irfon Road, Builth Wells | Freehold | 129 m² | £275,000 (2021) |
| 8, Irfon Road, Builth Wells | Freehold | 104 m² | £50,000 (1998) |
| 9 Irfon Road, Builth Wells | Freehold | 133 m² | £60,000 (2000) |
| 12, Irfon Road, Builth Wells | Freehold | 110 m² | £195,000 (2018) |
| 14, Irfon Road, Builth Wells | Freehold | 103 m² | £209,000 (2019) |
| 16, Irfon Road, Builth Wells | Freehold | 123 m² | £215,000 (2015) |
| 18, Irfon Road, Builth Wells | Freehold | 109 m² | £192,000 (2018) |
| 19, Irfon Road, Builth Wells | Freehold | 100 m² | £180,000 (2013) |
| 20, Irfon Road, Builth Wells | Freehold | 107 m² | £225,000 (2018) |
| 21, Irfon Road, Builth Wells | Freehold | 97 m² | £58,000 (1996) |
| 22, Irfon Road, Builth Wells | Freehold | 108 m² | £193,000 (2010) |
| 23 Irfon Road, Builth Wells | Freehold | 122 m² | £275,000 (2025) |
| 24 Irfon Road, Builth Wells | - | 105 m² | - |
| 25, Irfon Road, Builth Wells | Freehold | 90 m² | £310,000 (2022) |
| 30 Irfon Road, Builth Wells, Builth Wells | Freehold | 96 m² | £239,995 (2021) |
| 32, Irfon Road, Builth Wells | Freehold | 77 m² | £207,000 (2019) |
| 34, Irfon Road, Builth Wells | Freehold | 145 m² | £280,000 (2015) |
| 36, Irfon Road, Builth Wells | Freehold | 119 m² | £59,400 (1999) |
| 38, Irfon Road, Builth Wells | Freehold | 155 m² | £223,500 (2017) |
| Copper Beach, 3A Irfon Rd, Builth Wells | - | 66 m² | - |
| Heather Bank, Irfon Road, Builth Wells | Freehold | 127 m² | £355,000 (2025) |
| Inglewood, 28 Irfon Road, Builth Wells, Builth Wells | - | 83 m² | - |
