The proceeds of selling off 4G mobile phone licences should be used to "kick-start the economy" by building 100,000 affordable homes and a tax break for first-time buyers, shadow chancellor Ed Balls will say.
Mr Balls will use his Labour party conference speech to reinforce his message that Labour cannot pledge to reverse coalition spending cuts if it wins power in 2015 or "promise to put everything right straight away".
But he will put pressure on Chancellor George Osborne to ease his austerity programme by using the expected £3-£4 billion windfall from the sell-off next year of the superfast internet spectrum to boost the housing market and construction jobs.
The spirit of Conservative legends has been regularly evoked at Labour's party conference.
ITV News heard what voters in the marginal seat of Corby, due to hold a by-election in November, thought of Ed Miliband's speech.
There are plenty of reasons to take issue with the substance of Ed Miliband's speech this afternoon.