Widnes and Halewood is a proposed constituency of the House of Commons in the UK Parliament.^[1] Further to the completion of the 2023 Periodic Review of Westminster constituencies, it will first be contested at the next general election.^[2]

The constituency will cross the boundary of the ceremonial counties of Cheshire and Merseyside and will be composed of the following (as they existed on 1 December 2020):

• The Borough of Halton wards of: Appleton; Bankfield; Birchfield; Central & West Bank; Ditton, Hale Village & Halebank; Farnworth; Halton View; Highfield; Hough Green.

• The Metropolitan Borough of Knowsley wards of: Halewood North; Halewood South; Whiston & Cronton (polling districts WC1, WC1A, WC2, WC3 and WC4).^[3]

The seat will cover the following areas:^[4]

• The majority of the Halton constituency (to be abolished), comprising the town of Widnes and surrounding areas to the north of the River Mersey
• Halewood from the Garston and Halewood constituency (to be abolished)
• The majority of the Whiston and Cronton ward - excluding the town centre of Whiston - from the St Helens South and Whiston constituency