Complex sentence: Carlton House Terrace refers to a street in the St. James's district of the City of Westminster in London, England, and in particular to two terraces of white stucco-faced houses on the south side of the street overlooking St. James's Park.
Split into simpler sentences: Carlton House Terrace is a street in the St James's district of the City of Westminster in London. Its principal architectural feature is a pair of terraces of white stucco-faced houses on the south side of the street overlooking St James's Park.