You may need planning permission if you are planning a larger extension. All extensions will need building regulations approval. An architect can assist with this and if planning permission is required. A reputable contractor will also be able to advise you if this is needed as well.
Llangammarch Wells
Llangammarch Wells or just Llangammarch (population 541) is a town in the community of Llangamarch in Powys, Wales, resting on the Afon Irfon, and also in the historical region of Brecknockshire (Breconshire). It is the tiniest of the 4 spa villages of mid-Wales, alongside Llandrindod Wells, Builth Wells and Llanwrtyd Wells. The spa was focused on a barium well, which is now shut. The old town is centred on the parish church of St Cadmarch, which is a grade II * listed building. Llangammarch station gets on the Heart of Wales Line with trains provided by Transportation for Wales. It rests on Route 43 of the National Cycle Network. Llangammarch Wells Golf Club (currently inoperative) was founded in 1904. The club as well as program went away in the 1950s.