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Brentford and Isleworth — UK General Election Results

Compiled by EveryElectionResult.com's data team · Last updated 2026-08-30

Brentford and Isleworth was won by Labour at the 2024 general election, with a majority of 9,824 votes over Conservative. This page covers every general election in Brentford and Isleworth from Oct 1974 to 2024.

Full Election History, Oct 1974–2024

Election Elected Votes Vote Share Runner-up Majority Turnout
Oct 1974 Bernard Hayhoe (Conservative) 22,527 43.2% Peter James Walker (Labour) 232 (0.4 pts) 73.3%
Feb 1974 Bernard Hayhoe (Conservative) 22,690 40.6% Michael Barnes (Labour) 726 (1.3 pts) 79.0%
1979 Bernard Hayhoe (Conservative) 27,527 49.4% Peter James Walker (Labour) 4,994 (9.0 pts) 78.1%
1983 Bernard Hayhoe (Conservative) 24,515 47.4% Peter Leonard Rowlands (Labour) 9,387 (18.2 pts) 74.7%
1987 Sir Bernard Hayhoe (Conservative) 26,230 47.7% Ann Keen (Labour) 7,953 (14.5 pts) 76.7%
1992 Nirj Deva (Conservative) 24,752 45.8% Ann Keen (Labour) 2,086 (3.9 pts) 76.2%
1997 Ann Keen (Labour) 32,249 57.4% Nirj Deva (Conservative) 14,424 (25.7 pts) 71.0%
2001 Ann Keen (Labour) 23,275 52.3% Timothy Mack (Conservative) 10,318 (23.2 pts) 53.0%
2005 Ann Keen (Labour) 18,329 39.8% Alexander Northcote (Conservative) 4,411 (9.6 pts) 54.5%
2010 Mary Macleod (Conservative) 20,022 37.2% Ann Keen (Labour) 1,958 (3.6 pts) 64.7%
2015 Ruth Cadbury (Labour) 25,096 43.8% Mary MacLeod (Conservative) 465 (0.8 pts) 68.0%
2017 Ruth Cadbury (Labour) 35,364 57.4% Mary Macleod (Conservative) 12,182 (19.8 pts) 72.5%
2019 Ruth Cadbury (Labour) 29,266 50.2% Seena Shah (Conservative) 10,514 (18.0 pts) 68.2%
2024 Ruth Cadbury (Labour) 20,007 44.2% Laura Blumenthal (Conservative) 9,824 (21.7 pts) 57.3%

Full Result Breakdown by Election

Oct 1974

CandidatePartyVotesShareElected
Bernard Hayhoe Conservative 22,52743.2% Yes
Peter James Walker Labour 22,29542.7% No
Robert Evelyn Blundell Liberal 6,01911.5% No
Thomas William Benford National Front 1,3622.6% No

Feb 1974

CandidatePartyVotesShareElected
Bernard Hayhoe Conservative 22,69040.6% Yes
Michael Barnes Labour 21,96439.3% No
David Cyril Blackburn Liberal 9,50217.0% No
Thomas William Benford National Front 1,7413.1% No

1979

CandidatePartyVotesShareElected
Bernard Hayhoe Conservative 27,52749.4% Yes
Peter James Walker Labour 22,53340.4% No
John Gordon Parry Liberal 4,2087.6% No
Peter James Attridge National Front 7381.3% No
Irene Coates Green 4540.8% No
Reginald Ernest Garrick Simmerson Conservatives Against the Common Market 2570.5% No

1983

CandidatePartyVotesShareElected
Bernard Hayhoe Conservative 24,51547.4% Yes
Peter Leonard Rowlands Labour 15,12829.3% No
Dr David Wilks Social Democratic Party 11,43822.1% No
Philip Andrews National Front 4270.8% No
Reginald Ernest Garrick Simmerson Conservatives Against the Common Market 1790.3% No

1987

CandidatePartyVotesShareElected
Sir Bernard Hayhoe Conservative 26,23047.7% Yes
Ann Keen Labour 18,27733.2% No
Dr David Wilks Social Democratic Party 9,62617.5% No
Timothy Cooper Green 8491.5% No

1992

CandidatePartyVotesShareElected
Nirj Deva Conservative 24,75245.8% Yes
Ann Keen Labour 22,66642.0% No
Janet Salmon Liberal Democrat 5,68310.5% No
John Bradley Green 9271.7% No

1997

CandidatePartyVotesShareElected
Ann Keen Labour 32,24957.4% Yes
Nirj Deva Conservative 17,82531.8% No
Gareth Hartwell Liberal Democrat 4,6138.2% No
John Bradley Green 6871.2% No
Betty Simmerson UKIP 6141.1% No
Morris Ahmed Natural Law 1470.3% No

2001

CandidatePartyVotesShareElected
Ann Keen Labour 23,27552.3% Yes
Timothy Mack Conservative 12,95729.1% No
Gareth Hartwell Liberal Democrat 5,99413.5% No
Nicholas Ferriday Green 1,3243.0% No
Gerald Ingram UKIP 4120.9% No
Daniel Faith Socialist Alliance 4080.9% No
Asa Khaira Independent 1440.3% No

2005

CandidatePartyVotesShareElected
Ann Keen Labour 18,32939.8% Yes
Alexander Northcote Conservative 13,91830.2% No
Andrew Dakers Liberal Democrat 10,47722.8% No
John Hunt Green 1,6523.6% No
Philip Andrews Community Group 1,1182.4% No
Michael Stoneman National Front 5231.1% No

2010

CandidatePartyVotesShareElected
Mary Macleod Conservative 20,02237.2% Yes
Ann Keen Labour 18,06433.6% No
Andrew Dakers Liberal Democrat 12,71823.7% No
Jason Hargreaves UKIP 8631.6% No
John Hunt Green 7871.5% No
Paul Winnett BNP 7041.3% No
David Cunningham English Democrats 2300.4% No
Aamir Bhatti Christian Party, Proclaiming Christ's Lordship 2100.4% No
Evangaline Pillai Christian Peoples Alliance 990.2% No
Teresa Vanneck-Surplice Independent 680.1% No

2015

CandidatePartyVotesShareElected
Ruth Cadbury Labour 25,09643.8% Yes
Mary MacLeod Conservative 24,63142.9% No
Richard Hendron UKIP 3,2035.6% No
Joe Bourke Liberal Democrat 2,3054.0% No
Daniel Goldsmith Green 2,1203.7% No

2017

CandidatePartyVotesShareElected
Ruth Cadbury Labour 35,36457.4% Yes
Mary Macleod Conservative 23,18237.6% No
Joe Bourke Liberal Democrat 3,0835.0% No

2019

CandidatePartyVotesShareElected
Ruth Cadbury Labour 29,26650.2% Yes
Seena Shah Conservative 18,75232.2% No
Helen Cross Liberal Democrat 7,31412.5% No
Daniel Goldsmith Green 1,8293.1% No
Lucy O'Sullivan Brexit Party 1,1652.0% No

2024

CandidatePartyVotesShareElected
Ruth Cadbury Labour 20,00744.2% Yes
Laura Blumenthal Conservative 10,18322.5% No
Freya Summersgill Green 4,0298.9% No
David Kerr Reform UK 3,9408.7% No
Kuldev Sehra Liberal Democrat 3,8638.5% No
Nisar Malik Workers Party of Britain 2,7466.1% No
Zebunisa Rao Independent 4861.1% No

Margin Over Time

Winning margin (percentage points) at each election, coloured by the winning party.

Oct 1974: Conservative margin 0.4 pts Feb 1974: Conservative margin 1.3 pts 1979: Conservative margin 9.0 pts 1983: Conservative margin 18.2 pts 1987: Conservative margin 14.5 pts 1992: Conservative margin 3.9 pts 1997: Labour margin 25.7 pts 2001: Labour margin 23.2 pts 2005: Labour margin 9.6 pts 2010: Conservative margin 3.6 pts 2015: Labour margin 0.8 pts 2017: Labour margin 19.8 pts 2019: Labour margin 18.0 pts 2024: Labour margin 21.7 pts Oct 1974 Feb 1974 1979 1983 1987 1992 1997 2001 2005 2010 2015 2017 2019 2024

Trend

Brentford and Isleworth has been contested at 14 general elections on record since Oct 1974. Parties that have won a seat here over that span: Conservative, Labour.

Frequently Asked Questions

Who won Brentford and Isleworth in the 2024 general election?

Labour won Brentford and Isleworth in 2024 with 20,007 votes (44.2%), a majority of 9,824 votes over Conservative in second place.

Which parties have won Brentford and Isleworth since Oct 1974?

Since Oct 1974, Brentford and Isleworth has been won by: Conservative, Labour.

What was the closest result in Brentford and Isleworth?

The closest result on record for Brentford and Isleworth was Oct 1974, when Conservative beat Labour by just 232 votes (0.4 percentage points).

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