Lillie is an electoral ward in the London Borough of Hammersmith and Fulham. The ward was first used in the 2022 elections. It returns councillors to Hammersmith and Fulham London Borough Council.
The by-election took place on 20 February 2025, following the resignation of Ben Coleman. It was held on the same day as the 2025 Hammersmith Broadway by-election.
The total number of rejected ballot papers was 5.
The election took place on 5 May 2022.