The Prime Minister is due to make a keynote speech on Brexit in Lancaster House on Tuesday where she is expected to confirm that Britain will also leave the single market and customs union.
The intervention is crucial because it means the Government is committed to Britain being able to make its own trade deals, no longer be subject to the European Court of Justice and end free movement.
A source has said that she intends to go for “the full works” with Brexit and ignore pleas from bitter Remoaners, including former Tory minister Anna Soubry, Lib Dem ex-Deputy Prime Minister Nick Clegg and former Labour leader Ed Miliband, to stay in the both the single market and customs union and be bound by Brussels rulings.Express.