For the stadium to be fit for football, big money needs to be spent - the conversion will cost between £150 million and £200 million.
Of that, West Ham will contribute fifteen million pounds, Newham Council will lend a further £40m, the government has agreed to provide up to £25 million if it's needed, and the rest will also have to be funded by tax payers.
More top news
Sir Vince Cable has become the new leader of the Liberal Democrats, after no other nominations were put forward.
He is believed to be one of the oldest victims in a worrying spate of recent knife crimes.
The new leader of the council at the centre of the Grenfell Tower fire has told ITV News she will not resign 'yet' after a furious backlash.