Garston and Halewood was a constituency[n 1] created in 2010 and was represented in the House of Commons of the UK Parliament since 2010 by Maria Eagle of the Labour Party.

The remainder is urban and forms the southern tip of the Merseyside metropolitan county (of mid-size among the 1974-enacted units).

The constituency as drawn stretches along the most up-river part of the Mersey Estuary before its brief start between Cheshire and the remainder of its former county of Lancashire, on a near-flat riverside.

The history of the City of Liverpool (right) bank of the Mersey witnessed in the late 20th century the ceasing of shipbuilding and a sharp decline in trade, rail distribution and manufacturing prompting mass unemployment.

The constituency also includes Liverpool Airport Deprivation is low for the metropolitan county and marginally higher than the region as a whole.