We sent our photographer NEIL CROSS into the city, 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.
Previously, vaccinated travellers only had to take a Day 2 lateral flow test, and did not have to self-isolate unless they received a positive 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.