Complex sentence: The Barracks is centred on two Grade B listed main buildings and drill square facing Colinton Road, one of which, the Infantry Barracks, houses the resident Battalion Headquarters, one Rifle Company, Fire Support Company and Headquarters Company.
Split into simpler sentences: The Barracks is centred on two Grade B listed main buildings and parade squares facing Colinton Road. Today it houses the resident Battalion Headquarters, one Rifle Company, Fire Support Company and Headquarters Company.