Runcorn and Helsby (UK Parliament constituency)

Runcorn and Helsby is a constituency of the House of Commons in the UK Parliament. Further to the completion of the 2023 Periodic Review of Westminster constituencies, it was first contested at the 2024 general election.

Boundaries
The constituency is composed of the following (as they existed on 1 December 2020):


 * The Borough of Cheshire West and Chester wards of: Frodsham; Gowy Rural; Helsby; Sandstone.


 * The Borough of Halton wards of: Beechwood & Heath; Bridgewater; Daresbury, Moore & Sandymoor; Grange; Halton Castle; Halton Lea; Mersey & Weston; Norton North; Norton South & Preston Brook.

The seat comprises the following areas:
 * Helsby, Frodsham and the parts of the Borough of Halton transferred from the former constituency of Weaver Vale, comprising about half the electorate
 * The town of Runcorn, transferred from the former constituency of Halton
 * The Gowy Rural ward, including the village of Elton, transferred from the former constituency of Ellesmere Port and Neston, and Guilden Sutton, transferred from the former constituency of City of Chester.

Elections in the 2020s
Changes are from the notional results of the 2019 election on the new boundaries.