It became more down-market in the late 18th century as Leicester House was demolished and retail developments took place, becoming a centre for entertainment. Several major theatres were built in the 19th century, which were converted to cinemas towards the middle of the next. Leicester Square holds a number of nationally significant cinemas such as the Odeon Leicester Square, Empire, Leicester Square, which are often used for film premieres (and the now closed Odeon West End).