The former deputy prime minister, a long-time supporter of the single currency, said the public had "no idea" about the potential impact its collapse would have on the UK.
But he believes Franco-German determination will secure the euro's future and pave the way for Britain to sign up.
Both the Coalition and the Labour Party have ruled out adopting the euro in the foreseeable future.
Last month Prime Minister David Cameron suffered the biggest ever Conservative revolt over Europe as more than 80 Conservative MPs defied his orders and backed a referendum on Britain’s membership of the European Union.
Lord Heseltine, the peer in charge of the Government's £1.4 billion regional growth fund, acknowledged that the Eurozone was in crisis, but said he was confident they would pull through to create a stronger economy.
He told BBC1's Politics Show: "I think we will join the euro. » | Josie Ensor | Sunday, November 20, 2011
BBC: UK will ultimately join euro says Lord Heseltine: Former deputy prime minister Lord Heseltine has said he still expects the UK to eventually join the euro. » | Sunday, November 20, 2011
