Complex sentence: Ballaugh was only connected to the water mains in the early 1950s; until then most residents used the local wells, including one situated in the rear yard of Ellan Vannin, a former coach house with stabling beside the yard.
Split into simpler sentences: Ballaugh was only connected to the water mains in the early 1950s until then most residents used the local wells. One that is known about was situated in the rear yard of Ellan Vannin, which was a coach house in the past and had stabling beside the yard.