t comes after chief medical officer Professor Chris Whitty warned of a spike in deaths today due to a probable lag in reporting over Easter weekend, following four consecutive days of sub-800 increases.
The number of tests for COVID-19, the disease caused by the coronavirus, has also risen by 18,665 to 417,649, although this includes some people being tested more than once.
There have now been 103,093 positive tests for the illness in the UK.
Once again, figures were also provided by health authorities in each of the home nations, which collate their stats at different times throughout the day and so may not tally up to the government's overall total.
NHS England said another 740 coronavirus patients had died in hospitals in England, taking its total to ...
The number of people admitted to hospital with Covid-19 on one day has jumped by nearly a quarter in England.
There were 478 people admitted to hospital on Sunday - the largest daily figure since early June - up from 386.
More than two-thirds of those were in the North West, North East and Yorkshire.
It comes as a further 14,542 cases were confirmed across the whole of the UK on Tuesday. That daily figure has trebled in a fortnight.
Extra restrictions have been introduced in many areas of the UK to try to contain the spread of the virus - including across the whole of Scotland and Northern Ireland.
On top of these national measures, parts of Wales, Scotland, Northern Ireland and areas in the Midlands, Lancashire, Merseyside, West Yorkshire and the North East of England have seen additional rules imposed.
But Prof John Edmunds, who advises the government's coronavirus response as part of Sage, said more stringent national lockdown restrictions were needed to bring the pandemic under control.
He told BBC Newsnight local restrictions in the north of England had not been very effective, and the government's "light tough" measures were just "delaying the inevitable".
"We will at some point put very stringent measures in place because we will have to when hospitals start to really fill up," he said.
"Frankly, the better strategy is to put them in place now."
First Minister Nicola Sturgeon said new coronavirus restrictions would be announced on Wednesday - but it will not be another full lockdown.
And households could be banned from mixing in Nottingham after a surge in cases, a city health official has said.
The BBC understands that the government will push ahead with a new "three-tier" approach to restrictions in local areas of England, in an effort to replace the patchwork of existing measures.
Under the system, local areas would be put under one of three levels of restrictions based on the number of cases per 100,000 people.