Also size and population though? Bath, being a major city, has far more residents and visitors than Maerdy, a small rural village. My guess in Maerdy is that

Also size and population though? Bath, being a major city, has far more residents and visitors than Maerdy, a small rural village. My guess in Maerdy is that the residents probably drive somewhere (Aberdare?) with a supermarket. I'm not sure I'd live there without a car...