Fahnbulleh is currently serving as a junior minister in the Department for Energy Security and Net Zero, appointed by Keir Starmer.

[9] In September 2022, Fahnbulleh announced that she was standing to be the prospective parliamentary candidate in Camberwell and Peckham at the next general election.

[10] On 19 November 2022, she was selected by local Labour Party members as the candidate to succeed Harriet Harman, who stood down after 40 years as an MP.

[16] On 9 July 2024, Fahnbulleh was appointed as a junior minister (Parliamentary Under-Secretary of State) in the Department for Energy Security and Net Zero.

[21][22] In November 2024, Fahnbulleh voted in favour of the Terminally Ill Adults (End of Life) Bill, which proposes to legalise assisted suicide.