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.
Lampeter
Lampeter is a town, neighborhood and also electoral ward in Ceredigion, South West Wales, at the assemblage of the River Teifi as well as the Afon Dulas. It is the 3rd largest urban location in Ceredigion, after Aberystwyth and Cardigan, as well as has an university of the College of Wales Trinity Saint David. At the 2011 Census, the population was 2,970. Lampeter is the smallest college community in the UK. The university includes approximately 1,000 people.