On May 3, 2018, the Conservatives resumed overall control of the council after the2018 Barnet Council election,with one Conservative councilor defecting with the Liberal Democrats the following year.
On 20 September 2019 Gabriel Rozenberg (elected Conservative) joined the Liberal Democrats, citing his opposition to Brexit. On 2 October, he was then followed by Jess Brayne (elected Labour) who also defected to the Liberal Democrats. 
