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A chance to explore the history and architectural highlights of Carlton House Terrace during Open House weekend, the home of the UK’s national academy of science.

On 22 and 23 September 2018, the largest annual festival of architecture and design returns to the capital. Over the weekend, visitors are invited to discover the secrets of the Grade I listed, Nash-designed town houses that are home to the oldest scientific academy in continuous existence.

What is Open House?

Open House is a simple but powerful concept: hundreds of great buildings of all types and periods open up their doors to all, completely without charge. 

This unique opportunity to access and understand architecture is a chance to look at everyday buildings anew, and communicates the value of a well-designed city to everybody who uses it. For more information visit the Open House website.

For all enquiries, please contact

Take a virtual tour of the Royal Society

Attending the event

  • Free to attend
  • No registration required
  • Doors will open from 10am - 5pm on Saturday and Sunday. Last entry will be at 4.30pm
  • Tours of the building can be booked free of charge upon arrival at the building
  • As this is a popular event, please be prepared to queue
  • Travel and accessibility information