The party now has 30 seats on the city council.
It was a bad night for the Conservatives though.
They lost four of their council seats, leaving them with eight.
The Lib Dems have one seat.
Labour has committed to building a new multi-million pound swimming pool and leisure centre on the site of the bus station - the Conservatives had promised to axe those plans if they'd been elected.
Political friction as Devon’s budget approved
Council tax will rise
Call for West Devon to be split to get best for residents
Residents in the north look to Exeter; and to Plymouth in the south
Dartmouth residents bemoan year-long closure of key road
Residents submit petition with around 2,500 signatures calling for action
Hard up charity will get more help from lottery cash
Citizens Advice helped more than 3,000 in North Devon over six months
Campaign for emergency phones at bridges to save lives
Temporary mobiles are in place at the moment
