Nick Clegg will today say the Government is making available £225 million in funding to "unblock" a series of major local housing projects which have "hit a wall".
Together, the schemes - which range in size from 4,000 units to 9,500 - will provide up to 48,600 new homes.
However Mr Clegg will say the shortage of homes is becoming so acute, there will in future need to be even more ambitious, with new developments of 15,000 to 25,000 homes
More top news
Weather set to improve with plenty of sunshine by Saturday
Tony Davis was the first civilian to reach Pc Palmer after he was stabbed during the Westminster attack.
Defiant Londoners put on a show of solidarity for the victims of the Westminster terror attack at a vigil in their honour.