Compare

Brentford and Isleworth

Constituency

West London. About 133,076 people (mid-2024 estimate) in 23 square kilometres.

MP for Brentford and Isleworth

Ruth CadburyLabourMP since

They won by 9,824 votes on a 57.0% turnout.

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Open in map

Radon Affected Area by constituency

Worked out by Open Index · 2022

Under 1%90% or more

About 0% of people in Brentford and Isleworth live in a 1 km square that the radon atlas marks as a radon Affected Area.

Majority, 2024 general election
21.7%
Joint 184th largest majority of 650
House of Commons Library · Jul 2024
Turnout, 2024 general election
57.0%
Joint 209th lowest turnout of 650
House of Commons Library · Jul 2024
Population
128,725
18th most populated of 650
ONS Census 2021 · 2021
People in radon Affected Area squares
0%
UK 44%
Worked out by Open Index

2024 general election result

Candidates in Brentford and Isleworth at the general election on 4 July 2024, in finishing order
CandidatePartyVotesShare
Ruth CadburyElectedLabour20,00744.2%
Laura BlumenthalConservative10,18322.5%
Freya SummersgillGreen Party4,0298.9%
David KerrReform UK3,9408.7%
Kuldev SehraLiberal Democrat3,8638.5%
Nisar MalikWorkers Party of Britain2,7466.1%
Zebunisa RaoIndependent4861.1%
Electorate
79,423
Turnout
57.0%
Majority
9,824 (21.7%)
Valid votes
45,254
Rejected ballots
219

Polling day . Shares are of valid votes; turnout is valid votes as a share of the electorate. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: House of Commons Library, UK Parliament election results. The result from the House of Commons Library

How Brentford and Isleworth compares

Each dot is a constituency. The black line marks the middle one.

Brentford and IsleworthMiddle
Majority, 2024 general election650 constituencies, UK · Jul 2024
Majority, 2024 general election: every constituency in UK650 areas from 0.0% to 60.6%. The middle area is 14.1%. Brentford and Isleworth is 21.7%.
21.7%joint 184th largest majority
Turnout, 2024 general election650 constituencies, UK · Jul 2024
Turnout, 2024 general election: every constituency in UK650 areas from 40.0% to 75.2%. The middle area is 60.0%. Brentford and Isleworth is 57.0%.
57.0%joint 209th lowest turnout
Population650 constituencies, UK · 2021
Population: every constituency in UK650 areas from 26,159 to 151,876. The middle area is 100,988. Brentford and Isleworth is 128,725.
128,72518th most populated
People in radon Affected Area squares650 constituencies, UK · 2022
People in radon Affected Area squares: every constituency in UK650 areas from 0.0% to 100.0%. The middle area is 39.0%. Brentford and Isleworth is 0.0%.
0%joint fewest people in radon Affected Areas

Every constituency ranked: population and people in radon affected area squares.

What is the population of Brentford and Isleworth?

Brentford and Isleworth had 128,725 usual residents at the census.

Brentford and Isleworth is the 18th most populated of 650 in the UK.

Figures for the whole of Hounslow

Most of Brentford and Isleworth lies in Hounslow. These figures are published for the whole of Hounslow, not for constituencies, so they describe the council and not Brentford and Isleworth itself. See Hounslow

Average house price
£528,051
Down 1.5% in a year
HM Land Registry · Aug 2026
Median full-time pay
£40,870
Joint 122nd highest paid of 348
ONS earnings survey · 2025
House price to pay
12.9×
Joint 11th least affordable of 348
Worked out by Open Index
Deprivation score
24.9
Joint 81st most deprived of 296
MHCLG · England only
Brentford and Isleworth in brief

The winner in Brentford and Isleworth had a majority of 21.7% of valid votes at the general election on 4 July 2024.

Turnout in Brentford and Isleworth at the general election on 4 July 2024 was 57.0%.

Brentford and Isleworth had 128,725 usual residents at the census.

About 0% of people in Brentford and Isleworth live in a 1 km square that the radon atlas marks as a radon Affected Area.