Ed Miliband said he remained determined to attract voters "from every walk of life" as he seeks to quell criticism of his party's local election results.
The Labour leader is to confront the party's most prominent failure by returning to the campaign trail next week.
It comes after he was voted least popular party leader due to his 'lack of charisma' and lack of 'common touch.'
UKIP's successes in the local elections have raised the possibility of them winning a Westminster seat at the general election.
A year ahead of the general election, Ed Miliband's party is seeing only patchy support in areas it should expect to gain ground.
UKIP are likely to make Rotherham a key target for 2015 after a storming result in the local elections.