The average house price on Castle Street, Builth Wells is £100,875. Prices range from £18,000 to £192,000.
There are 20 properties on Castle Street, Builth Wells.
Average house prices on Castle Street, Builth Wells have risen by 663.9% from £18,000 in 1996 to £137,500 in 2025.
Castle Street, Builth Wells is in the LD2 postcode district.