Funding is set to double to support a pledge by the prime minister to give every rough sleeper in England a route off the streets by Christmas.

Ending rough sleeping was one of Andy Burnham's first promises when he entered Downing Street, announcing a £442m package to provide emergency accommodation and practical support.

On the eve of the first Rough Sleeping Summit at Downing Street on Monday, No 10 has indicated a further £432m will be added to the initiative in Wednesday's Budget.

Shadow housing secretary Katie Lam said rough sleeping had hit "record highs under Labour" and criticised Burnham for failing to end rough sleeping when he was the Mayor of Greater Manchester.

The BBC understands the government's commitment is that every rough sleeper will be able to physically move into accommodation by Christmas and/or they will be offered support as a way to prevent them sleeping rough.

Some people may choose not to accept accommodation, but ministers say support will still be offered to them.

The…