"We will get through this, but we must act now to contain this autumn surge", the prime minister said, acknowledging that, "Christmas is going to be different this year, maybe very different".
As in Ireland, schools and third-level institutes will remain open.
The meeting happened nearly after a week of Johnson's implementation of a tiered system of lockdown, which attracted criticism from the locals and the health experts of the country. The furlough scheme was a success in the spring and supported people in businesses in a critical time.
A member of the government's Scientific Advisory Group for Emergencies (SAGE) warned on Saturday that the virus was "running riot" across all age groups.
It came as new data from NHS England showed the number of hospital beds in England occupied by confirmed coronavirus patients has more than doubled in two weeks from 4,105 on October 13 to 8,595 on Tuesday.
In a press conference from Downing Street, Boris Johnson laid out the strict new nationwide measures, which the government hopes will combat the rising levels of the virus around the country.
In some of the most onerous restrictions in Britain's peacetime history, people will only be allowed to leave home for specific reasons such as education, work, exercise, shopping for essentials and medicines or caring for the vulnerable.
One in five people in England will be living under the toughest coronavirus restrictions from Monday when West Yorkshire moves into Tier 3, while 58% of the population will be living under either Tier 2 or 3 measures.
Walmart pulls guns from display over 'civil unrest' concerns
The move comes in the wake of looting in Philadelphia after 27-year-old Walter Wallace was shot and killed by police on Monday. The decision comes after a fatal police shooting in Philadelphia triggered protests that saw some shops looted.
Sir Patrick said it was clear from modelling that in terms of deaths over the winter "there is potential for this to be twice as bad or more compared to the first wave".
Instead it has persevered with a localised response system that relies on three tiers of Covid-19 alert.
The latest official figures show that the total number of lab-confirmed cases in the United Kingdom is now 1,011,660, while the daily number of lab-confirmed cases is 21,915.
The Office for National Statistics released that nearly 568,100 individuals in England had coronavirus within the previous " / 274 deaths were confirmed, making the death toll from the virus 46,229.
Culture Secretary Oliver Dowden confirmed that top-level sport would not be affected by the new lockdown.
Scientific advisers at the top of government believe it is now too late for a two-week national circuit-breaker to have enough of an effect and a longer national lockdown is needed to drive the reproduction number, or R value, of the virus below one.
British Prime Minister Boris Johnson announced England will start a monthlong lockdown next week.
Johnson said the government had to make "incredibly difficult" judgments during the pandemic. "A two-week circuit-breaker would have an effect but now nearly certainly it would need to go on for longer to have a significant effect". That's about six times more than the rate at the end of September.