The monarch has allowed the British prime minister Boris Johnson to exercise around the landscaped gardens of her official residence.
Johnson's attempts to navigate Britain through a health disaster are being complicated by the cross-country travels of his top aide Dominic Cummings.
Many Conservative lawmakers are demanding the controversial adviser quit or be sacked while Douglas Ross, a minister for Scotland, resigned in protest.
Cummings did not apologise for his behaviour but did express regret for not asking Johnson for permission to travel during the lockdown.
The British government has so far rejected calls to sack Cummings over allegations he broke coronavirus lockdown rules.
Cummings left his London home shortly after he was diagnosed with the virus on March 30.
Experts said the concession would demonstrate to Brussels that London took the Northern Ireland deal seriously.
The knighthood, which brings with it the title of "Sir", will be formally issued by Queen Elizabeth II.
Prime Minister Boris Johnson acknowledged public frustration with the restrictions imposed to fight the virus.
The partial lifting of restrictions comes despite concern over Britain's death toll from the virus -- the second highest in the world.
Prime Minister Boris Johnson said some rules would be relaxed as part of a "carefully planned timetable" of measures.
Multiple reports have confirmed that the queen will continue to be in self-isolation even after the United Kingdom removes the nation-wide lockdown.
Governments across the globe try to get economies moving while keeping in check a pandemic that has now killed more than 280,000 people.
It said Prime Minister Boris Johnson would announce the measures on Sunday.
Johnson will address the nation on Sunday evening to set out a "roadmap" for relaxing social distancing rules announced in late March.
Professor Neil Ferguson said he had "stepped back" from his role on the Scientific Advisory Group for Emergencies.
Britain is banking on contact tracing, including via a smartphone app, to monitor transmission rates to prevent a second wave of infection.
The UK's number of confirmed cases rose by 6,032 to 171,253 on Thursday.
Downing Street announced Tuesday that Prime Minister Boris Johnson and his fiancee Carrie Symonds were blessed with a baby boy.
Forecasts warn of the worst global recession in a century.
He thanked the British people for heeding more than a month of stay-at-home orders.
Dominic Raab, the foreign secretary told the BBC on Sunday that his return would be a "boost for the government and a boost for the country".