The ceremonial county of Lancashire, which includes the unitary authorities of Blackburn with Darwen and Blackpool, is divided into sixteen parliamentary constituencies - four borough constituencies and twelve county constituencies. Two seats cross the county boundary - one is shared with Cumbria and one with Merseyside.

Constituencies

Boundary changes

2024

See 2023 Periodic Review of Westminster constituencies for further details For the 2023 Periodic Review of Westminster constituencies, which redrew the constituency map ahead of the 2024 United Kingdom general election, the Boundary Commission for England opted to combine Lancashire with Cumbria as a sub-region of the North West Region, with the existing seat of Morecambe and Lunesdale extending into southern Cumbria to create a cross-county boundary constituency. Wyre and Preston North was abolished, with its contents being distributed to five neighbouring constituencies. As a consequence, Lancaster and Fleetwood, and Blackpool North and Cleveleys reverted back to the previous names of Lancaster and Wyre, and Blackpool North and Fleetwood respectively. Other proposed changes included the expansion of Pendle to become Pendle and Clitheroe. Four wards in the borough of West Lancashire were incorporated into the Merseyside constituency of Southport. The following constituencies were proposed: Containing electoral wards from Blackburn with Darwen Containing electoral wards from Blackpool Containing electoral wards from Burnley Containing electoral wards from Chorley Containing electoral wards from Fylde Containing electoral wards from Hyndburn Containing electoral wards from Lancaster Containing electoral wards from Pendle Containing electoral wards from Preston Containing electoral wards from Ribble Valley Containing electoral wards from Rossendale Containing electoral wards from South Ribble Containing electoral wards from West Lancashire Containing electoral wards from Wyre

2010

Under the Fifth Periodic Review of Westminster constituencies, the Boundary Commission for England decided to increase Lancashire's representation from 15 to 16 constituencies, with the creation of Wyre and Preston North CC. Lancaster and Wyre was reconfigured and became Lancaster and Fleetwood, and Blackpool North and Fleetwood became Blackpool North and Cleveleys. Other changes were made to realign constituency boundaries with the boundaries of current local government wards, and to reduce the electoral disparity between constituencies.

Results history

Primary data source: House of Commons research briefing - General election results from 1918 to 2019

2024

The number of votes cast for each political party who fielded candidates in constituencies comprising Lancashire in the 2024 general election were as follows:

Percentage votes

11983 & 1987 - SDP-Liberal Alliance 2Standing in Chorley, unopposed by the 3 main parties.

• Included in Other

Seats

11983 & 1987 - SDP-Liberal Alliance 2Lindsay Hoyle

Maps

1885-1910

1918-1945

1950-1979

1983-present

2024-present (including two cross-county constituencies)

Historical representation by party

A cell marked → (with a different colour background to the preceding cell) indicates that the previous MP continued to sit under a new party name.

1885 to 1918

Lancashire area

Manchester area

Merseyside area

1918 to 1950

Lancashire area

Manchester area

Merseyside area

1950 to 1983

Lancashire area

Manchester area

Merseyside area

1983 to 2010

2010 to present