It comes after people across the country held a minute’s silence at midday for those who have died from coronavirus as part of a national day of reflection.
According to UK government data, there has been 126,172 deaths within 28 days of testing positive for Covid-19.
This evening at 8pm people are being encouraged to stand on their doorsteps with phones, candles and torches to signify a “beacon of remembrance”.
In a statement on Tuesday, Mr Johnson said: “Today, the anniversary of the first lockdown, is an opportunity to reflect on the past year, one of the most difficult in our country’s history.”
Read more:
The prime minister reflected with Cabinet ministers on “a very dark and difficult year” for the nation on the anniversary of the first lockdown, Downing Street said.
He will lead a press conference in the afternoon on the first lockdown anniversary, which is due to start at 5pm.
He will be flanked by Professor Chris Whitty, England’s chief medical officer, and Sir Patrick Vallance, the government’s chief scientific adviser.
Additional reporting by Press Association