Sir Keir Starmer said a majority victory would be “good for the country” and enable Labour to reform the town planning system and improve the economy.
In an interview with The Times, the Labour leader tried to make a virtue of the Conservative warning that “Labour will have a huge majority” as the July 4 polling day approaches.
Kiir stressed the need for strong powers to “seriously change” the country so that people have “more money”.
In response, Rishi Sunak warned that if Labour won a majority “they would be unchecked and unaccountable”.
Sunak said the Conservative party remained committed to winning every vote as it continued to wage its defence.
The Labour leader told The Times that a larger majority would “allow us to roll up our sleeves and get on with the reforms that are needed”.
Labour’s vision is centred on generating more growth through major planning reforms and an overhaul of skills.
“The most important thing is economic growth and wealth creation. I think that’s been the biggest weakness over the last 13 years,” he said.
“You can talk about public services, but you can’t do that if the economy isn’t functioning. You can’t jump-start the economy if the planning and infrastructure challenges aren’t addressed.”
The Conservatives were unable to make any gains from Labour’s lead in the early stages of the campaign and have warned of a Labour “supermajority” to prevent votes from flowing to Reform UK and the Liberal Democrats.
The Prime Minister’s high-profile campaign visits, including a visit to Oxfordshire on Tuesday, have focused on a number of previously safe Conservative seats.
But Mr Sunak denied conceding defeat, telling the BBC he was simply trying to remind voters of the “choice” they had in the election.
“My argument is that if the polls are right Labour will get a huge majority, they will be unchecked, they will not be accountable to the people and it will give them the powers to raise taxes on everyone and to be soft on immigration across the whole of continental Europe,” he said.
“I don’t want people to sleepwalk into this, so I’m fighting hard for every vote.”
“I want to continue this work to lower taxes, protect pensions and secure our borders.”
Sunak said the predicted Conservative defeat meant he would not stop campaigning “until the very last moment”.
In response to pollster John Curtice’s analysis that it was more likely that lightning would strike the same place twice than that Sunak would remain in office, he replied: “That’s my view.”
Labour’s shadow health secretary, Wes Streeting, told the BBC the Conservatives were “unable to defend their record so they are slinging mud and attacking the nonsensical idea of a supermajority”.
Streeting said that of the two main parties campaigning, only Labour was “offering a vision for Britain”.
“I think it’s time for the Downing Street circus to end, and that can only happen if people vote Labour and choose change on Thursday.”