Complex sentence: Craigellachie, a single-storeyed masonry residence, was constructed during the late 1880s boom, and the resubdivision of Windsor-Lutwyche for closer settlement.
Split into simpler sentences: Craigellachie, a single-storeyed masonry residence, was constructed during the late 1880s boom. It was a resubdivision of Windsor-Lutwyche for closer settlement.