Flash Briefing
What: Open House Festival 2020 When: Open House London 2020 will be 19 & 20 September, with additional events taking place until the 27 September Celebrate London's architectural wonders as Open House London throws open the doors of more than 800 buildings and spaces around the capital. Enjoy free access to buildings which are not usually open to public, private houses of the rich and famous, churches, museums, schools and offices, and join tours, guided walks and activitie...