The City of London is putting in place new restriction over Covid-19 infections which will, in effect, ban millions from gathering indoors:
Coronavirus: London to move into Tier 2 of lockdown system – millions to be banned from mixing indoors https://t.co/qMgN8Kqy5S
— SkyNews (@SkyNews) October 15, 2020
In summary, you’re only allowed to socialize at home or in a public place with members of your “household or support bubble”: