The Perimeter is open by pre-booked appointments only, from Tuesday - Friday and every other Saturday.


We are taking the necessary precautions to ensure the safety of both our staff and visitors from exposure to COVID-19. Therefore, we kindly ask that face coverings are worn throughout the duration of your visit.


There is limited visitor capacity at any one time so we ask visitors to please be mindful of their chosen time and respect social distancing.

If you have any special requirements please do email us beforehand on
+44 (0) 207 404 3313

20 Brownlow Mews
London WC1N 2LE

Directions by Tube:

Chancery Lane – 10 minute walk
Russell Square – 10 minute walk
Kings Cross St Pancras – 15 minute walk
Holborn – 15 minute walk