A by-election was held within the UK Parliament constituency of Brecon and Radnorshire (Welsh: Brycheiniog a Sir Faesyfed) on 1 August 2019 after Chris Davies, who had held the seat for the Conservatives for the reason that 2015 normal election, was unseated by a recall petition. The Liberal Democrats regained the seat within the 1997 election and held it till 2015, when Chris Davies received it for abc8 the Conservatives. Davies retained his seat on the 2017 basic election with an increased majority of 8,038 over the Liberal Democrat candidate.