South Tottenham
The worst-hit part of the borough was Hornsey West, with seven cases of the virus.
Prime Minister Boris Johnson cautioned that the return of all pupils to schools this week will have an impact on the spread of the virus, as there will be an increased risk of transmission.
Speaking at a Downing Street press conference on Monday, Mr Johnson urged people to stay at home and continue following the guidelines designed to stop the spread of Covid-19.
“With the number of patients being admitted to hospital with Covid each day still around eight times higher than the lows of last summer, it’s more vital than ever to follow the rules,” he said.