We sent our photographer DAN MARTINO into the town, to see how things have changed.
Anyone entering the UK from any destination abroad will have to take a PCR test within two days of arrival and self-isolate until they have a negative result.
The UK’s travel red list was expanded over the weekend to include 10 African nations: Angola, Botswana, Eswatini, Lesotho, Malawi, Mozambique, Namibia, South Africa, Zambia and Zimbabwe, forcing arrivals into hotel quarantine for 10 days.
The booster vaccine campaign has been expanded, with a booster dose of the Covid-19 vaccine now offered to all adults three months after people had their second dose of an original vaccine.
The Prime Minister said: “Based on everything we know, our vaccines and boosters remain our best line of defence, so it is more important than ever that people come forward when eligible to get boosted”.