yep, I literally got married on the 18th and tier 4 was brought in on the 19th. Much of the rest of the country was in tier 3 and the xmas days were rolled back from 5 to 1 with only xmas day itself permitted, only in lower tier areas and with more restrictions.
Little weird to be getting to -1 downvotes for something that's a google away...
London and the SE is where the new highly infectious strain originated from and was more or less entirely locked down. Big chunk of population here too...
Wasn’t Kent the first place things started to really kick off and take a turn in mid Nov?