Johnson's government has set out a roadmap to end lockdown restrictions in stages as widespread vaccinations help to suppress infections.
Asked about that possibility during a campaign visit in northern England, Johnson said: "I think we've got a good chance, a good chance, of being able to dispense with one-metre plus."
A further 30 people were reported as having died within 28 days of a positive test for COVID-19, meaning there were 211 deaths between April 9 and 15, a fall of 2.3% compared with the previous seven days.
The daily growth rate of COVID-19 infections was between -5% and -2%, meaning the number of new infections is shrinking by between 2% and 5% each day, compared to -6% and -3% last week.
It said shopper numbers, or footfall, climbed 4% on UK high streets, but fell 4.4% in retail parks and 2.3% in shopping centres. Footfall across Britain remained 40.8% lower than during the same week last year, Springboard said.
England entered a third national lockdown on Jan. 4 to stem a surge in COVID-19 cases that threatened to overwhelm the health system.
Prime Minister Boris Johnson has announced what he has called a cautious but irreversible roadmap out of England's third national lockdown.
"It's all pointing in the right direction, but I think nobody can say with certainty that this is... finished," he told lawmakers. "We're certainly not out of the woods yet, even on this wave."
Under current lockdown rules, holidays are banned and only those travelling for specific work or family reasons are allowed to go abroad. The government said the new form would help it to police those rules.
Britain has said that people might be able to travel again from mid-May, with more information due in mid-April.
Britain left the EU at the end of January last year, but kept its full access to the 27-nation bloc's single market until the end of 2020, when it was replaced by a trade agreement.
For the EU on average, the exit of the UK from the European Union on Free Trade Agreement terms is estimated to generate an output loss of around 0.5% of GDP by the end of 2022, and some 2.25% point for the UK.
For a second week running a new official data series showed spending on credit and debit cards was 35% below its level in February 2020, at the start of the pandemic.
Most economists think Britain's economy will shrink in the first quarter of this year due to the lockdown and disruption from new post-Brexit trading arrangements.