Arsenal are keen to expand Emirates stadium.

The club's 60,000-seat venue already generates £3.1m every game, making Arsenal football's highest earner in terms of match-day revenue and such is the success of their business model - bolstered by the impending sale of 711 flats at the old Highbury Stadium - that the present £255m net debt is projected to tumble to £76m by 2010.

"It wouldn't be easy and it wouldn't be cheap," a source involved in the original Ashburton Grove project told the Guardian, "but it can be done."