Complex sentence: At the far end of The Cross from the townhouse is the Browns Institute, which was given to Newmilns by Ms Martha Brown (of Lanfine) in 1872, whilst across the road stands the Loudoun Arms, which was built during the 18th Century.
Split into simpler sentences: At the far end of The Cross from the townhouse is the Browns Institute, which was given to Newmilns by Ms Martha Brown (of Lanfine) in 1872. Across the road stands the Loudoun Arms, which was built during the 18th Century.