For one weekend in September each year, many venues across Merton open their doors to the public for free, as part of Open House London, the capital's biggest architectural festival.

Open House London ​ce​lebrates all that is best about the capital’s buildings, places and neighbourhoods. It gives a unique opportunity to get out and under the skin of London’s amazing architecture, with over 700 buildings of all kinds opening their doors to everyone.

Open House London