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The damage Philip Hammond warned could follow a no-deal Brexit would swallow up half of England’s entire health budget, it can be revealed.

The Chancellor warned that by 2033/34, Britain could be forced to borrow £80 billion more a year.

To put that into perspective, it would be 45% of the £179 billion budget of the Department for Work and Pensions , which has the biggest budget of any Government department.

It would make up 54% of the Department for Health’s budget, and would wipe out nearly 90% of the entire education budget.

The Chancellor warned Britain's borrowing could be £80 billion higher by 2033 if we have to rely on World Trade Organisation rules when we leave the EU, in a letter to Nicky Morgan, chair of the Commons Treasury Committee.

(Image: PA)

Brexit-backing Tories reacted furiously, claiming Hammond was basing his warning on a disputed provisional analysis released earlier this year.

But pro-EU campaigners said it was a "Brexit bazooka".

Gareth Thomas MP, a leading supporter of the People’s Vote campaign, said: “No-one voted for a Brexit that would shred the capacity of our Government to effectively deliver on health, education or national security.

“The Chancellor warned about the consequences of a disastrous no deal Brexit, but we know that any form of Brexit will increase the damage already being done to our economy, meaning less money for the things we rely on our Government to provide properly.

“This is yet another new fact about Brexit that no-one could have known for sure in 2016. It’s no wonder that more and more people are now calling for a People’s Vote on the final Brexit deal, so that the people of this country can decide whether or not the Brexit terms on offer are good enough.”

Here's a round up of government departments, their budgets, and how much of that budget would be wiped out by losing £80 billion.