Brentford and Isleworth (UK Parliament constituency)

Brentford and Isleworth (/ˈaɪzəlwərθ/ ^ⓘ EYE-zəl-wərth) is a constituency^{[n 1]} represented in the House of Commons of the UK Parliament. It forms the eastern part of the London Borough of Hounslow. Since 2015, it has been represented by Ruth Cadbury of the Labour Party.^{[n 2]}

Quick Facts County, Population ...

Brentford and Isleworth
Borough constituency for the House of Commons
Boundary of Brentford and Isleworth in Greater London for the 2024 general election
County	Greater London
Population	128,556 (2011 census)^[1]
Electorate	76,345 (2023)^[2]
Major settlements	Brentford, Isleworth, Osterley, Whitton
Current constituency
Created	1974 (1974)
Member of Parliament	Ruth Cadbury (Labour)
Seats	One
Created from	Brentford & Chiswick and Heston & Isleworth

Following the completion of the 2023 Periodic Review of Westminster constituencies, the seat was subjected to boundary changes which moved Whitton from Twickenham into the constituency, and moved Chiswick to the newly created constituency of Hammersmith and Chiswick.^[3]

Constituency profile

Summarize

Perspective

The seat is a mixture of very suburban London and urban district centres with many differing heights and types of homes. It stretches along the north bank of the Thames and then to the west, encompassing the London districts (former villages) of Chiswick, most of Hounslow, Isleworth (from Old Isleworth to Osterley) and the former market town of Brentford.

The seat is affluent nearest the Thames and Osterley Park, yet it has a few tall tower blocks and other council housing set back from it in parts of Isleworth and Brentford. Brentford has a wide range and long history of social housing, which is mostly, by a narrow margin, private housing, following the 1980s Right to Buy reform. Locally, 21st century development includes a large proportion of shared ownership and housing authority homes. The seat has seen more unemployment (11.7% in 2017) than London (5.3%) or the UK (4.4%) overall.^[4]

About three wards make up Hounslow in the west, and two for Brentford in the centre, which, excluding its expensive Quay and North Quarter parts, have an above-average rank in the Index of Multiple Deprivation; many of these homes are affordable for workers on lower incomes, and are generally strong for the Labour Party. In the far east of the seat are three Chiswick wards that return Conservative councillors. Chiswick's large public sector economic component, and relatively young profile for a wealthy area sees a three-way or broader split in its general election votes. The only part of the seat with a London postcode – W4, it abounds with high-income office workers, small-to-mid-size business directors and senior governmental workers. Its parks, gardens, long Thames riverside, proximity to Hammersmith, united Piccadilly and District tube lines and housing stock mean it resembles the neighbouring Richmond Park seat socio-economically.^[5] The wards of Osterley, Spring Grove and Hounslow South have long alternated between, or generated a split result between, Conservative and Labour councillors, and there is no evidence to suggest they lean more to the left of their local results at general elections.

The Liberal Democrats (including their two predecessor parties) took their largest share of the vote here in 2010, but they have lacked local councillors, and the party received less than a quarter of the vote in what was essentially a three-candidate race.

The Green Party kept its deposits in three of the four contests before 2017. In the election that year it chose not to field a candidate, in order to help Labour defend its 400-vote majority.

Economy

The Brentford Community Stadium, home of Brentford F.C., is within the seat, as is Fuller's Brewery, and various headquarters of multinational and market-leading domestic companies, including GlaxoSmithKline and BSkyB. The districts have tube or rail services to the east and west of London (to Heathrow Airport, Ealing and/or Weybridge), which are major centres of employment.

Political history (summary)

From 1979 until 2015, the seat proved to be a national bellwether. The 2015 result gave the seat the 4th most marginal majority of Labour's 232 seats by percentage of majority.^[6] During the seat's existence, the two largest parties nationally have jostled for the winning candidate. In 2015, Labour gained the seat, despite the Conservatives winning a majority nationally, thus ending its streak as a bellwether constituency.

Split of votes in local council elections

In 2010, council seats split evenly (15—15) between the two main parties, reflecting the result of the general election held on the same day, in which the parliamentary seat was narrowly gained by the Conservatives. From 1998 to 2001, three wards at the centre of the constituency returned Independent Community Group councillors, reaching seven seats at their peak. These wards were taken by Labour in 2010.

Labour added Hounslow South in 2014, and took one of the three Osterley and Spring Grove seats, leaving them with 19 seats and the Conservatives with 11. In 2018, Labour gained the remaining Conservative seats in Osterley and Spring Grove, which gave Labour 21 seats to the Conservatives on 9.

Boundaries

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Perspective

Map of boundaries 2010–2024

Map of boundaries from 2024

1974–1983: The London Borough of Hounslow wards of Clifden, Gunnersbury, Homefields, Hounslow Central, Hounslow South, Isleworth North, Isleworth South, Riverside, Spring Grove, and Turnham Green.

1983–1997: The above wards as renamed: Brentford Clifden, Chiswick Homefields, Chiswick Riverside, Gunnersbury, Hounslow Central, Hounslow South, Isleworth North, Isleworth South, Spring Grove, and Turnham Green.

1997–2010: As above plus Hounslow West.

2010–2024: The London Borough of Hounslow wards of Brentford, Chiswick Homefields, Chiswick Riverside, Hounslow Central, Hounslow Heath, Hounslow South, Isleworth, Osterley and Spring Grove, Syon, and Turnham Green.

2024–present: The London Borough of Hounslow wards of Brentford East; Brentford West; Heston East; Hounslow Central; Hounslow East; Hounslow Heath; Hounslow South; Isleworth; Osterley & Spring Grove; and Syon & Brentford Lock. The London Borough of Richmond upon Thames ward of Whitton.^[7]

The easternmost part of the constituency, comprising the district of Chiswick was transferred to the new constituency of Hammersmith and Chiswick. To partly compensate, the Hounslow Borough ward of Heston East and the Richmond upon Thames ward of Whitton came in from Feltham and Heston, and Twickenham respectively.

Members of Parliament

The constituency was created in 1974, mostly replacing the former seat of Brentford and Chiswick.

More information Election, Member ...

	Member^[8]	Party
Feb 1974	Sir Barney Hayhoe	Conservative
1992	Nirj Deva	Conservative
1997	Ann Keen	Labour
2010	Mary Macleod	Conservative
2015	Ruth Cadbury	Labour

Election results

Elections in the 2020s

More information Party, Candidate ...

General election 2024: Brentford and Isleworth^[9]
Party		Candidate	Votes	%	±%
	Labour	Ruth Cadbury	20,007	44.2	−6.1
	Conservative	Laura Blumenthal	10,183	22.5	−5.8
	Green	Freya Summersgill	4,029	8.9	+5.9
	Reform UK	David Kerr	3,940	8.7	+6.6
	Liberal Democrats	Kuldev Sehra	3,863	8.5	−7.8
	Workers Party	Nisar Malik	2,746	6.1	N/A
	Independent	Zebunisa Rao	486	1.1	N/A
Majority			9,824	21.7	–0.3
Turnout			45,254	57.1	–10.5
Registered electors			79,283
	Labour hold		Swing	0.2

Elections in the 2010s

More information Party, Vote ...

2019 notional result^[10]
Party		Vote	%
	Labour	25,978	50.3
	Conservative	14,609	28.3
	Liberal Democrats	8,425	16.3
	Green	1,540	3.0
	Brexit Party	1,063	2.1

Turnout		51,615	67.6
Electorate		76,354

More information Party, Candidate ...

General election 2019: Brentford and Isleworth^[11]^[12]
Party		Candidate	Votes	%	±%
	Labour	Ruth Cadbury	29,266	50.2	−7.2
	Conservative	Seena Shah	18,752	32.2	−5.4
	Liberal Democrats	Helen Cross	7,314	12.5	+7.5
	Green	Daniel Goldsmith	1,829	3.1	N/A
	Brexit Party	Lucy O'Sullivan	1,165	2.0	N/A
Majority			10,514	18.0	−1.8
Turnout			58,326	68.0	−4.4
Registered electors			85,770
	Labour hold		Swing	-0.9

More information Party, Candidate ...

General election 2017: Brentford and Isleworth^[13]^[14]
Party		Candidate	Votes	%	±%
	Labour	Ruth Cadbury	35,364	57.4	+13.6
	Conservative	Mary Macleod	23,182	37.6	−5.3
	Liberal Democrats	Joseph Bourke	3,083	5.0	+1.0
Majority			12,182	19.8	+19.0
Turnout			61,629	72.4	+4.6
Registered electors			85,164
	Labour hold		Swing	+9.5

More information Party, Candidate ...

General election 2015: Brentford and Isleworth^[15]^[16]
Party		Candidate	Votes	%	±%
	Labour	Ruth Cadbury^[17]	25,096	43.8	+10.2
	Conservative	Mary Macleod^[17]	24,631	42.9	+5.7
	UKIP	Richard Hendron ^[18]	3,203	5.6	+4.0
	Liberal Democrats	Joseph Bourke^[19]	2,305	4.0	−19.7
	Green	Daniel Goldsmith^[17]	2,120	3.7	+2.2
Majority			465	0.9	N/A
Turnout			57,355	67.8	+3.4
Registered electors			84,602
	Labour gain from Conservative		Swing	+2.2

More information Party, Candidate ...

General election 2010: Brentford and Isleworth^[20]^[21]
Party		Candidate	Votes	%	±%
	Conservative	Mary Macleod	20,022	37.2	+6.5
	Labour	Ann Keen	18,064	33.6	−5.4
	Liberal Democrats	Andrew S. Dakers	12,718	23.7	+0.7
	UKIP	Jason D. Hargreaves	863	1.6	N/A
	Green	John G. Hunt	787	1.5	−2.1
	BNP	Paul Winnett	704	1.3	N/A
	English Democrat	David B. Cunningham	230	0.4	N/A
	Christian	Aamir J. Bhatti	210	0.4	N/A
	CPA	Evangeline Pillai	99	0.2	N/A
	Independent	Teresa M. Vanneck-Surplice	68	0.1	N/A
Majority			1,958	3.6	N/A
Turnout			53,765	64.4	+11.5
Registered electors			83,546
	Conservative gain from Labour		Swing	+5.95

Elections in the 2000s

More information Party, Candidate ...

General election 2005: Brentford and Isleworth
Party		Candidate	Votes	%	±%
	Labour	Ann Keen	18,329	39.8	−12.5
	Conservative	Alexander B. Northcote	13,918	30.2	+1.1
	Liberal Democrats	Andrew S. Dakers	10,477	22.8	+9.3
	Green	John G. Hunt	1,652	3.6	+0.6
	Community Group	Philip Andrews	1,118	2.4	N/A
	National Front	Michael R. Stoneman	523	1.1	N/A
Majority			4,411	9.6	−13.6
Turnout			46,017	54.5	+0.8
Registered electors			88,236
	Labour hold		Swing	−6.8

More information Party, Candidate ...

General election 2001: Brentford and Isleworth
Party		Candidate	Votes	%	±%
	Labour	Ann Keen	23,275	52.3	−5.1
	Conservative	Timothy Mack	12,957	29.1	−2.7
	Liberal Democrats	Gareth Hartwell	5,994	13.5	+5.3
	Green	Nicholas Ferriday	1,324	3.0	+1.8
	UKIP	Gerald Ingram	412	0.9	−0.2
	Socialist Alliance	Daniel Faith	408	0.9	N/A
	Independent	Asa Khaira	144	0.3	N/A
Majority			10,318	23.2	−2.6
Turnout			44,514	53.7	−15.8
Registered electors			82,878
	Labour hold		Swing	-1.2

Elections in the 1990s

More information Party, Candidate ...

General election 1997: Brentford and Isleworth^[22]
Party		Candidate	Votes	%	±%
	Labour	Ann Keen	32,249	57.4	+14.7
	Conservative	Nirj Deva	17,825	31.8	−13.9
	Liberal Democrats	Gareth Hartwell	4,613	8.2	−1.9
	Green	John W. Bradley	687	1.2	−0.5
	UKIP	B. Simmerson	614	1.1	N/A
	Natural Law	Morris Ahmed	147	0.3	N/A
Majority			14,424	25.6	N/A
Turnout			56,135	69.5	−6.7
Registered electors			80,722
	Labour gain from Conservative		Swing	+14.3

More information Party, Candidate ...

General election 1992: Brentford and Isleworth^[23]
Party		Candidate	Votes	%	±%
	Conservative	Nirj Deva	24,752	45.8	−1.9
	Labour	Ann Keen	22,666	42.0	+8.4
	Liberal Democrats	Janet C.N. Salmon	5,683	10.5	−7.0
	Green	John W. Bradley	927	1.7	+0.2
Majority			2,086	3.8	−10.3
Turnout			54,024	76.2	−0.5
Registered electors			70,880
	Conservative hold		Swing	−5.2

Elections in the 1980s

More information Party, Candidate ...

General election 1987: Brentford and Isleworth^[24]
Party		Candidate	Votes	%	±%
	Conservative	Barney Hayhoe	26,230	47.7	+0.3
	Labour	Ann Keen	18,277	33.6	+3.9
	SDP	David Wilks	9,626	17.5	−4.6
	Green	Timothy Cooper	849	1.5	N/A
Majority			7,953	14.1	−4.0
Turnout			54,983	76.7	+2.0
Registered electors			71,715
	Conservative hold		Swing	−1.8

More information Party, Candidate ...

General election 1983: Brentford and Isleworth^[25]
Party		Candidate	Votes	%	±%
	Conservative	Barney Hayhoe	24,515	47.4	−2.0
	Labour	Peter Rowlands	15,128	29.3	−11.1
	SDP	David Wilks	11,438	22.1	+14.5
	National Front	P. Andrews	427	0.8	−0.5
	Conservatives Against the Common Market	R.E.G. Simmerson	179	0.8	+0.3
Majority			9,387	18.1	+9.1
Turnout			51,683	74.7	−3.4
Registered electors			69,170
	Conservative hold		Swing	+4.6

Elections in the 1970s

More information Party, Candidate ...

General election 1979: Brentford and Isleworth^[26]
Party		Candidate	Votes	%	±%
	Conservative	Barney Hayhoe	27,527	49.4	+6.2
	Labour	Peter Walker^[27]	22,533	40.4	−2.3
	Liberal	John Parry^[27]	4,208	7.6	−3.9
	National Front	Peter Attridge^[27]	738	1.3	−1.3
	Ecology	Irene Coates^[27]	454	0.8	N/A
	Conservatives Against the Common Market	Reginald Simmerson^[27]	257	0.5	N/A
Majority			4,994	9.0	+8.6
Turnout			55,714	78.1	+4.8
Registered electors			71,337
	Conservative hold		Swing	+4.3

More information Party, Candidate ...

General election October 1974: Brentford and Isleworth^[28]
Party		Candidate	Votes	%	±%
	Conservative	Barney Hayhoe	22,527	43.2	+2.6
	Labour	P.J. Walker	22,295	42.7	+3.4
	Liberal	R. Blundell	6,019	11.5	−5.5
	National Front	T. Benford	1,362	2.6	−0.5
Majority			232	0.4	−0.9
Turnout			52,203	73.3	−5.7
Registered electors			71,199
	Conservative hold		Swing	−0.4

More information Party, Candidate ...

General election February 1974: Brentford and Isleworth^[29]
Party		Candidate	Votes	%
	Conservative	Barney Hayhoe	22,690	40.6
	Labour	Michael Barnes	21,964	39.3
	Liberal	David Cyril Blackburn	9,502	17.0
	National Front	T. Benford	1,741	3.1
Majority			726	1.3
Turnout			55,894	79.0
Registered electors			70,735
	Conservative win (new seat)

Notes

[n 1]
A borough constituency (for the purposes of election expenses and type of returning officer)
[n 2]
As with all constituencies, the constituency elects one Member of Parliament (MP) by the first past the post system of election at least every five years.

References

[1]
"Brentford and Isleworth: Usual Resident Population, 2011". Neighbourhood Statistics. Office for National Statistics. Archived from the original on 4 March 2016. Retrieved 2 February 2015.
[2]
"The 2023 Review of Parliamentary Constituency Boundaries in England – Volume two: Constituency names, designations and composition – London". Boundary Commission for England. Retrieved 19 June 2024.
[3]
"The 2023 Review of Parliamentary Constituency Boundaries in England – Volume one: Report – London | Boundary Commission for England". boundarycommissionforengland.independent.gov.uk. Retrieved 27 July 2023.
[4]
"All people – Economically active – Unemployed: Brentford and Isleworth". Nomis. Source: Office for National Statistics. Archived from the original on 4 March 2016. Retrieved 2 February 2015.
[5]
"Property for Sale in W4, Houses & Flat for Sale W4 – Mouseprice". mouseprice.com. Archived from the original on 8 April 2014. Retrieved 18 December 2012.
[6]
"Labour Members of Parliament 2015". UK Political.info. Archived from the original on 29 September 2018.
[7]
"The Parliamentary Constituencies Order 2023". Schedule 1 Part 3 London region.
[8]
Leigh Rayment's Historical List of MPs – Constituencies beginning with "B" (part 1)
[9]
"Statement of Person Nominated and Notice of Poll: Brentford and Islewort Constituency". Hounslow Council. 7 June 2024.
[10]
"Notional results for a UK general election on 12 December 2019". Rallings & Thrasher, Professor David Denver (Scotland), Nicholas Whyte (NI) for Sky News, PA, BBC News and ITV News. UK Parliament. Retrieved 11 July 2024.
[11]
Hounslow, London Borough of. "Statement of Persons Nominated and Notice of Poll | London Borough of Hounslow". www.hounslow.gov.uk. Archived from the original on 21 February 2022. Retrieved 19 November 2019.
[12]
"Results for Brentford & Isleworth". British Broadcasting Corporation. Archived from the original on 1 September 2018. Retrieved 22 June 2018.
[13]
"Brentford & Isleworth parliamentary constituency". BBC News. Archived from the original on 1 September 2018. Retrieved 22 June 2018.
[14]
"Commons Briefing Paper 7979. General Election 2017: results and analysis" (PDF) (Second ed.). House of Commons Library. 29 January 2019 [7 April 2018]. Archived (PDF) from the original on 12 November 2019.
[15]
"Election Data 2015". Electoral Calculus. Archived from the original on 17 October 2015. Retrieved 17 October 2015.
[16]
"Archived copy" (PDF). Archived from the original (PDF) on 4 March 2016. Retrieved 19 August 2015.{{cite web}}: CS1 maint: archived copy as title (link) 3Aug15
[17]
"UK ELECTION RESULTS". electionresults.blogspot.co.uk. Archived from the original on 18 February 2016. Retrieved 25 November 2014.
[18]
Robert Cumber (3 March 2015). "New UKIP candidate is champion canoeist and former police inspector". getwestlondon. Archived from the original on 2 April 2015. Retrieved 29 March 2015.
[19]
"Candidate Profiles". Liberal Democrats. Archived from the original on 13 April 2014. Retrieved 20 February 2015.
[20]
"UKPollingReport Election Guide 2010 » Brentford and Isleworth". ukpollingreport.co.uk. Archived from the original on 20 April 2010. Retrieved 30 March 2010.
[21]
"Brentford and Isleworth". YourNextMP. Archived from the original on 19 April 2010. Retrieved 11 April 2010.
[22]
"Brentford & Isleworth". politicsresources.net. Archived from the original on 2 June 2014. Retrieved 1 November 2009.
[23]
"UK General Election results: April 1992 [Archive]". politicsresources.net. Archived from the original on 11 August 2011. Retrieved 1 November 2009.
[24]
"UK General Election results: June 1987 [Archive]". politicsresources.net. Archived from the original on 11 August 2011. Retrieved 1 November 2009.
[25]
"UK General Election results: June 1983 [Archive]". politicsresources.net. Archived from the original on 28 June 2017. Retrieved 1 November 2009.
[26]
"UK General Election results: May 1979 [Archive]". politicsresources.net. Archived from the original on 11 August 2011. Retrieved 1 November 2009.
[27]
Election Expenses. Parliament of the United Kingdom. 1980. p. 15. ISBN 0102374805.
[28]
"UK General Election results: October 1974 [Archive]". politicsresources.net. Archived from the original on 8 May 2015. Retrieved 1 November 2009.
[29]
"UK General Election results: February 1974 [Archive]". politicsresources.net. Archived from the original on 5 December 2009. Retrieved 1 November 2009.

External links

nomis Constituency Profile for Brentford and Isleworth — presenting data from the ONS annual population survey and other official statistics.
Politics Resources (Election results from 1922 onwards)
Electoral Calculus (Election results from 1955 onwards)
Brentford and Isleworth UK Parliament constituency (boundaries April 1997 – April 2010) at MapIt UK
Brentford and Isleworth UK Parliament constituency (boundaries April 2010 – May 2024) at MapIt UK
Brentford and Isleworth UK Parliament constituency (boundaries from June 2024) at MapIt UK

51.4802°N 0.3236°W / 51.4802; -0.3236

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Quick Facts County, Population ...

Brentford and Isleworth
Borough constituency for the House of Commons
Boundary of Brentford and Isleworth in Greater London for the 2024 general election
County	Greater London
Population	128,556 (2011 census)^[1]
Electorate	76,345 (2023)^[2]
Major settlements	Brentford, Isleworth, Osterley, Whitton
Current constituency
Created	1974 (1974)
Member of Parliament	Ruth Cadbury (Labour)
Seats	One
Created from	Brentford & Chiswick and Heston & Isleworth

Constituency profile

Summarize

Perspective

The Green Party kept its deposits in three of the four contests before 2017. In the election that year it chose not to field a candidate, in order to help Labour defend its 400-vote majority.

Economy

Political history (summary)

Split of votes in local council elections

Boundaries

Summarize

Perspective

Map of boundaries 2010–2024

Map of boundaries from 2024

1997–2010: As above plus Hounslow West.

Members of Parliament

The constituency was created in 1974, mostly replacing the former seat of Brentford and Chiswick.

More information Election, Member ...

	Member^[8]	Party
Feb 1974	Sir Barney Hayhoe	Conservative
1992	Nirj Deva	Conservative
1997	Ann Keen	Labour
2010	Mary Macleod	Conservative
2015	Ruth Cadbury	Labour