The hustings provide an opportunity for Londoners to question the candidates after hearing what each would do as London's Mayor.
All Londoners are invited to attend. To book a place email firstname.lastname@example.org or telephone Emma on 020 7984 8152.
"This is a unique opportunity for the people of Lambeth and Southwark to have their say in choosing our candidate to replace Ken Livingstone next May," says local London Assembly candidate Shirley Houghton.
"We have four excellent candidates, all of whom have made a massive contribution to London politics over the years and they have a lot more to give."
The Conservative Party has selected four candidates to contest the London-wide open primary. Any voter in London can register to take part in the open primary which will decide the Conservative candidate for the May 2008 Mayoral election.