Trevor Square is a charming garden square located in Knightsbridge, London. Designed in the 1810s by architect William Fuller Pocock, the square features mid-rise houses with slate mansard roofs that give it a classic look. The area has a rich history, with the first houses completed in 1820 and a former chapel later replaced by a Harrods showroom. With its listed Grade II buildings and elegant appearance, Trevor Square offers a peaceful retreat in the bustling city.