Great Grimsby and Cleethorpes (UK Parliament constituency)

Great Grimsby and Cleethorpes is a constituency of the House of Commons in the UK Parliament.^[1] Further to the completion of the 2023 review of Westminster constituencies, it was first contested at the 2024 general election and has been represented in Parliament by Melanie Onn of the Labour Party since then.^[2] Onn was previously MP for the predecessor constituency of Great Grimsby from 2015 to 2019.

Great Grimsby and Cleethorpes
County constituency for the House of Commons
Interactive map of boundaries from 2024
Boundary of Great Grimsby and Cleethorpes in Yorkshire and the Humber
County	Lincolnshire
Major settlements	Great Grimsby and Cleethorpes
Current constituency
Created	2024
Member of Parliament	Melanie Onn (Labour)
Seats	One
Created from	Great Grimsby Cleethorpes (part)

The constituency name refers to the Lincolnshire towns of Great Grimsby and Cleethorpes.^[3]

Boundaries

The constituency is composed of the following electoral wards of the Borough of North East Lincolnshire:

• Croft Baker, East Marsh, Freshney, Haverstoe, Heneage, Park, Sidney Sussex, South, West Marsh, and Yarborough.^[4]

The seat covers:^[5]

• The previous Great Grimsby constituency, excluding the Scartho ward
• The town of Cleethorpes from the Cleethorpes constituency (abolished, with remaining parts forming the basis of the new constituency of Brigg and Immingham)

Members of Parliament

Great Grimsby prior to 2024

Election		Member	Party
	2024	Melanie Onn	Labour

Elections

Elections in the 2020s

General election 2024: Great Grimsby and Cleethorpes^[6][7]

Party		Candidate	Votes	%	±%
	Labour	Melanie Onn	15,336	41.9	+9.7
	Reform UK	Oliver Freeston	10,533	28.8	+23.9
	Conservative	Lia Nici	8,269	22.6	−33.0
	Green	Ed Fraser	1,115	3.0	+1.0
	Liberal Democrats	John Craig Lawson	1,036	2.8	−2.1
	TUSC	Mark Gee	222	0.6	N/A
	SDP	Christopher Stephenson	108	0.3	N/A
Majority			4,803	13.1	N/A
Turnout			36,619	46.4	−7.7
Registered electors			78,875
	Labour gain from Conservative		Swing

Elections in the 2010s

2019 notional result[8]
Party		Vote	%
	Conservative	23,178	55.6
	Labour	13,419	32.2
	Liberal Democrats	2,052	4.9
	Brexit Party	2,049	4.9
	Green	821	2.0
	Others	156	0.4
Turnout		41,675	54.1
Electorate		77,050

See also

• parliamentary constituencies in Humberside
• List of parliamentary constituencies in the Yorkshire and the Humber (region)