Melksham and Devizes (UK Parliament constituency)

Melksham and Devizes is a constituency of the House of Commons in the UK Parliament.^[2] Further to the completion of the 2023 Periodic Review of Westminster constituencies, it was first contested at the 2024 general election,^[3] when it was won by Brian Mathew of the Liberal Democrats. He defeated Conservative former cabinet minister Michelle Donelan, who had been MP for Chippenham from 2015 to 2024.

Melksham and Devizes
County constituency for the House of Commons
Boundary of Melksham and Devizes in South West England
County	Wiltshire
Electorate	71,823 (2023)[1]
Major settlements	Bradford-on-Avon, Devizes, Melksham
Current constituency
Created	2024
Member of Parliament	Brian Mathew (Liberal Democrats)
Seats	One
Created from	Chippenham, Devizes, North Wiltshire

Boundaries

Map of boundaries from 2024

The constituency is composed of the following electoral districts of Wiltshire (as they existed on 4 May 2021):

• Bowerhill; Box & Colerne; Bradford-on-Avon North; Bradford-on-Avon South; Bromham, Rowde & Roundway; Calne South; Devizes East; Devizes North; Devizes Rural West; Devizes South; Holt; Melksham East; Melksham Forest; Melksham South; Melksham Without North & Shurnhold; Melksham Without West & Rural; The Lavingtons; Urchfont & Bishops Cannings; Winsley & Westwood.^[4]

It comprises the following areas:^[5]

• The towns of Melksham and Bradford-on-Avon, transferred from Chippenham
• The town of Devizes, transferred from the constituency of Devizes (the majority of which was incorporated into the new constituency of East Wiltshire)
• Rural parishes east of Trowbridge, transferred from South West Wiltshire
• The wards of Box and Colerne, and Calne South, transferred from the abolished North Wiltshire constituency

Elections

Elections in the 2020s

General election 2024: Melksham and Devizes^[6]

Party		Candidate	Votes	%	±%
	Liberal Democrats	Brian Mathew	20,031	39.1	+11.8
	Conservative	Michelle Donelan	17,630	34.4	−23.4
	Reform UK	Malcolm Cupis	6,726	13.1	N/A
	Labour	Kerry Postlewhite	4,587	9.0	−3.0
	Green	Catherine Read	2,229	4.4	+1.4
Majority			2,401	4.7	N/A
Turnout			51,203	71.1	−6.5
Registered electors			71,999
	Liberal Democrats gain from Conservative		Swing	+17.7

Elections in the 2010s

2019 notional result[7]
Party		Vote	%
	Conservative	32,227	57.8
	Liberal Democrats	15,199	27.3
	Labour	6,686	12.0
	Green	1,652	3.0
Turnout		55,764	77.6
Electorate		71,823