Most domestic solar thermal panels do not need planning permission and are covered by permitted development rights. There are restrictions on the size and location of these systems. If you live in a conservation area or listed building, or want to install a very large solar thermal system, check with your local authority to see if you will need planning permission.
Brecon
Brecon, archaically known as Brecknock, is a market town as well as community in Powys, mid-Wales. In 1841, it had a population of 5,701. The populace in 2001 was 7,901, raising to 8,250 at the 2011 census. Historically it was the county town of Brecknockshire (Breconshire); although its function thus was overshadowed with the formation of the County of Powys, it remains a vital neighborhood centre. Brecon is the third-largest town in Powys, after Newtown as well as Ystradgynlais. It exists north of the Brecon Beacons chain of mountains, but is simply within the Brecon Beacons National Park.