Northolt West End (known as West End until 2002) is an electoral ward in the London Borough of Ealing. It elects three councillors to Ealing London Borough Council.
The ward is the westernmost in the London Borough of Ealing, and covers most of the southern half of Northolt.
The election took place on the same day as the 2010 general election.
The by-election was called following the resignation of Cllr Sophie Hosking. It was held on the same day as the 2005 general election.