Seventy four council seats across fifty two electoral wards were up for election.[1]Labour remained in control of the council, though lost thirteen seats overall, while Plaid Cymru doubled their numbers to eighteen.[2] Labour council leader Andrew Morgan described the result as "a reasonably good outcome considering the circumstances we have been facing", while Plaid Cymru group leader Pauline Jarman said she was "slightly disappointed".[3] A "shock" result was the election of a councillor from new party, The Cynon Valley Party, to the Penrhiwceiber ward.[3]
Rhondda Cynon Taf County Borough Council Election 2017 [4][5]
A by-election took place on 5 December 2019 after Plaid Cymru councillor, Darren Macey, resigned his seat because of a conflict of interest with his new job for RCT Sporting Heroes. The seat was won by Labour.[7]
A by-election took place on 6 May 2021 to fill a vacancy after Cynon Valley Party councillor, Gavin Williams, was removed from his position after being absent from council meetings for more than six months. Williams stood as an Independent at the by-election.[10]