More than a quarter of people believe that Theresa May should step down before Brexit day on March 29

Tory voters do not believe a change of prime minister will result in a better Brexit deal.

Most voters are sceptical that replacing Mrs May will help Brexit and increasing numbers think that she should fight the next election, according to a YouGov poll for The Times. Some 46 per cent think a different leader would probably not be able to get a better deal, while 26 per cent think they would.

The trend is starker among Tory voters, where 53 per cent think a different Conservative leader would make little difference to Brexit. The findings will give Mrs May breathing space to continue over the next six months.

The poll found 27 per cent believe she should step down before Brexit day on