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.
Students connect with elderly residents to combat loneliness
International students creating lasting friendships
Crackdown on anti-social behaviour in Plymouth
PSPOs proposed for six city centre car parks
£1.6 million for more energy efficiency Devon home upgrades
41 properties improved over last year
SWW to build huge new Churston solar farm
Council could opt out of building and lease the land instead
MP highlights Devon's dentistry 'crisis'
'People are in pain but are unable to access treatment'
