[1] Labour maintained control of the authority following these elections, gaining their highest popular vote since 1995, but ending up with a reduced number of seats.

The Liberal Democrats in Cardiff suffered their worst election result in terms of total seats won (eleven) since 1995, whilst the local Green Party failed to win its first seat on the council, suffering a fall in support when compared to the 2012 election.

Others elected in 1995 but who had not remained members continuously included Graham Hinchey, Susan Lent, Sarah Merry, Lynda Thorne (Labour) and Fenella Bowden (LD/Independent).

[6] The South Wales Echo also interviewed the four largest political group leaders prior to election day.

[33] Neil McEvoy was expelled by Plaid Cymru for 18 months on 19 March 2018,[34] and then sat under the label "Fairwater Cardiff West".

An Electoral Review undertaken by the Local Democracy and Boundary Commission for Wales recommended an increase to the total number of council seats in Cardiff from 75 to 79 ahead of the next election.