[6] Following the 2004 Vale of Glamorgan Council election the Llantwit Major ward was represented by three independent county councillors and one Conservative.

[9][10] Llantwit councillor Eric Hacker was elected mayor of the Vale of Glamorgan for 12 months, from 23 May 2012.

[13] At the May 2017 county council election Llantwit First Independents won all four Llanwit Major seats, including one lost at the by-election.

They claimed that their previous coalition with Labour had benefited Llanwit Major with funding for local school and library investment.

[6] However, the 2017 election had restored the Conservative Party as the largest council group, and a coalition with two Sully independent councillors was likely.