

The first case relating to the ongoing COVID-19 pandemic in London, England, was confirmed on 12 February 2020 in a woman who had recently arrived from China. By mid-March, there had been almost 500 confirmed cases in the city, and 23 deaths; a month later, the number of deaths had topped 4,000.

On the evening of 3 March 2021, Sarah Everard, a 33-year-old marketing executive, was kidnapped in South London, England, as she was walking home to the Brixton Hill area from a friend's house near Clapham Common. Metropolitan Police officer Wayne Couzens falsely arrested her under the pretence of having breached COVID-19 regulations and drove her to near Dover where he raped and strangled her, before burning her body and disposing of her remains in a nearby pond.

The Marble Arch Mound or Marble Arch Hill is a temporary, 25-metre-high (82 ft) artificial hill located next to Marble Arch in London, England. It has a viewing platform on the summit and an events space inside. The hill opened to the public on 26 July 2021, with a charge, but shortly afterwards it was briefly closed after complaints from the first visitors. It re-opened in August without an entrance fee. It is expected to remain on site until 9 January 2022, after which it will be dismantled.


A by-election was held in the UK Parliament constituency of Old Bexley and Sidcup on 2 December 2021, following the death of the sitting member of parliament, James Brokenshire, who had been the MP for the constituency since 2010. The by-election was the fifth of the 58th Parliament, which was elected in 2019.

The Sky Pool is a swimming pool at the Embassy Gardens development in the Nine Elms region of Wandsworth, a borough of southwest London. It is suspended 115 feet (35 m) above the ground and forms a bridge between two tall apartment buildings. Unveiled in May 2021, the pool was criticized as emblematic of economic inequalities in London.