Starmer, who was elected as MP for Holborn and St Pancras in May 2015, went on to become Labour leader in 2020, before leading the party to a landslide general election win in 2024. The former prime minister told his local newspaper it was the ‘right time’ to leave the House of Commons. Key points and original sources are listed below.

• Starmer, who was elected as MP for Holborn and St Pancras in May 2015, went on to become Labour leader in 2020, before leading the party to a landslide general election win in 2024.S1

• The former prime minister told his local newspaper it was the ‘right time’ to leave the House of Commons.S2S6

• He had previously said he would remain as a lawmaker until the next general electionS3

• Keir Starmer is standing down as Labour MP for Holborn and St Pancras, after having resigned as prime minister in June.S4

• Sir Keir will step down as the MP for Holborn and St Pancras, a move that will trigger a by-election in the north London seatS5

• Decision by former prime minister will trigger by-election in his London seat, with Greens likely to challenge ruling Labour PartyS7

• Former PM says it is right time to go, which will trigger byelection that Greens’ Zack Polanski could targetUK politics live – latest updatesKeir Starmer is to quit as the MP for Holborn and St Pancras, saying it is the right time for him to leave the Commons....S8