Lucas and Bartley (2016–2018) thumb|right|Caroline Lucas and Jonathan Bartley in 2017 On 15 May 2016, Bennett announced she would not be standing for re-election in the party's biennial leadership election due to take place in the summer. Former leader Lucas and Jonathan Bartley announced two weeks later that they intended to stand for leadership as a job share arrangement. Nominations closed at the end of June, with the campaign period taking place in July and voting period in August and the results announced at the party's Autumn Conference in Birmingham from 2–4 September. It was announced on 4 September that Lucas and Bartley would become the party's leaders in a job share.
Lucas and Bartley (2016–2018) thumb|right|Caroline Lucas and Jonathan Bartley in 2017 On 15 May 2016, Bennett announced she would not be standing for re-election in the party's biennial leadership election due to take place in the summer. Former leader Lucas and Jonathan Bartley announced two weeks later that they intended to stand for leadership as a job share arrangement. Nominations closed at the end of June, with the campaign period taking place in July and voting period in August and the results announced at the party's Autumn Conference in Birmingham from 2–4 September. It was announced on 4 September that Lucas and Bartley would become the party's leaders in a job share