Complex sentence: The now abandoned Pennyghael Lodge was built in the 18th century, extended 1816-19, and expanded in the 1920s, while the circa early 19th century Rossal Farm is a two-storey building which had restoration work in the 1980s.
Split into simpler sentences: The now abandoned Pennyghael Lodge was built in the 18th century, extended 1816-19, and expanded in the 1920s. The circa early 19th century Rossal Farm is a two-storey building which had restoration work in the 1980s.