When England moves back into a Tier system at 12.01am on 2 December 2020, indoor theatre performances will be allowed in Tiers 1 and 2 with an audience of 1,000 socially distanced people or 50% occupancy, whichever is smaller. However, in Tier 3 such events will not be allowed.
SOURCE: mytheatremates.com at 04:30AM on November 24, 2020