Brentford and Isleworth: MP, 2024 result and local figures
Brentford and Isleworth is represented in the House of Commons by Ruth Cadbury (Labour). On 4 July 2024 Ruth Cadbury (Labour) won 20,007 votes, 44.2% of the valid vote; Laura Blumenthal (Conservative) came second with 10,183. Turnout, counted as valid votes over the electorate, was 57.0% (45,254 of 79,423); the winning margin was 9,824 votes.
Key figures
What the figures show
Compared with other constituencies, Brentford and Isleworth has the 26th highest median full-time pay for jobs based here of the 632 constituencies with this figure (£46,776 a year); it also has the 28th highest population of the 575 constituencies with this figure (132,350).
About 132,400 people live in Brentford and Isleworth: the ONS figure for mid-2024 is 132,350. There were more children under 16 (26,451) than residents aged 65 and over (16,486).
Half of the homes sold in the year to March 2026 went for more than £475,000 and half for less. That is up 17% on £407,250 ten years before. The highest March-year median in the series was £500,000, in the year to March 2025. It ranks 78th highest of 575 constituencies. The figure rests on 779 recorded sales.
6,670 business sites were registered in Brentford and Isleworth in March 2026 (6,490 a year before), and employed 88,000 people in 2024.
In 2024/25, 31.2% of children under 16 in Brentford and Isleworth (8,248) lived in relative low income families once housing costs are taken off, says the DWP; the UK figure is 26.0%. Before housing costs the share was 15.0% in 2024/25, from 13.3% in 2021/22.
Median annual pay for full-time work was £46,776 for jobs in Brentford and Isleworth and £42,471 for its residents (April 2025, ASHE). A year before, the residents' median was £42,803. The residents' figure ranks 160th highest of 632 constituencies with an estimate. The latest year is provisional.
Brentford and Isleworth counted 47,318 households on Census day 2021; 13.1% of adults were retired and 36.1% of those in work were mostly working from home.
Survey estimates for April 2025 to March 2026 have 74.5% of working-age residents in employment, within a margin of 9.1 points. The economically inactive share was 19.9%.
In September 2026, 5.1% of 16 to 64 year olds in Brentford and Isleworth were claimants (4,540 people).
MP
Ruth Cadbury, Labour
- MP for Brentford and Isleworth since 4 July 2024
- In the House of Commons since 7 May 2015
Official UK Parliament page · Statements by Ruth Cadbury on this site
In Parliament
The 5 most recent spoken contributions by Ruth Cadbury in Hansard, from 11 September 2026 to 22 October 2026, quoted from the official report. Hansard search returns 179 spoken contributions by Ruth Cadbury since 4 July 2024.
I respect the shadow Minister’s views, but adequate powers and adequate resources go together. Too often since I have been in this place I have heard again and again that regulators would like to have done more and simply do not have the capacity.
Read in Hansard (opening words; the full contribution is longer)
It is a pleasure to serve under your chairmanship, Ms Furniss. I am grateful to my hon. Friend the Member for Leeds North East (Fabian Hamilton) for securing this debate.
Read in Hansard (opening words; the full contribution is longer)
I absolutely believe that it will exacerbate the issue, because the lower Thames crossing will significantly increase vehicle throughput, particularly of trucks and lorries, on what is already a busy part of the network.
Read in Hansard (opening words; the full contribution is longer)
It is a pleasure to follow the hon. Member for Christchurch (Sir Christopher Chope), given his deep experience and interesting perspective on bringing in tolls for all our motorways.
Read in Hansard (opening words; the full contribution is longer)
I will not. The many people who have shared their experiences of facing death soon have told us that they want to die on their own terms. We also know, through various credible polls, that the majority of people in this country want that choice for themselves.
Read in Hansard (opening words; the full contribution is longer)
Read from the Hansard API on 26 October 2026. Up to two items per debate; remarks under 40 characters are left out. All contributions in Hansard.
General election, 4 July 2024
| Candidate | Party | Votes | Share | Change in share |
|---|---|---|---|---|
| Ruth Cadbury | Labour | 20,007 | 44.2% | −6.1 |
| Laura Blumenthal | Conservative | 10,183 | 22.5% | −5.8 |
| Freya Summersgill | Green Party | 4,029 | 8.9% | +5.9 |
| David Kerr | Reform UK | 3,940 | 8.7% | +6.6 |
| Kuldev Sehra | Liberal Democrat | 3,863 | 8.5% | −7.8 |
| Nisar Malik | Workers Party of Britain | 2,746 | 6.1% | |
| Zebunisa Rao | Independent | 486 | 1.1% |
Result summary as published: Lab hold. Change in share is in percentage points against the notional 2019 result on the new boundaries. Source: House of Commons Library, election results (data, read 14 October 2026).
Results on these boundaries
| Date | Election | First | Second | Majority | Turnout |
|---|---|---|---|---|---|
| 4 July 2024 | General election | Labour 44.2% | Conservative 22.5% | 9,824 | 57.0% |
| 12 December 2019 | General election (notional result on these boundaries) | Labour 50.3% | Conservative 28.3% | 11,369 | 67.6% |
Only results on the constituency boundaries first used at the 2024 general election are shown. The 2019 figures are the House of Commons Library's notional estimates of how votes cast in 2019 would have fallen on these boundaries, not a result that was declared. Source: House of Commons Library, constituency results.
Councils
Brentford and Isleworth covers wards in 2 local authority areas, listed by the number of wards in the constituency.
- Hounslow E09000018
- Richmond upon Thames E09000027
Who has power over Brentford and Isleworth
Every body that makes decisions for Brentford and Isleworth, from the street up to the G20. Each one links to its page on the official record. How the ten levels work.
Level 1: Neighbourhood and community power
Residents' and tenants' groups, neighbourhood forums and local policing panels.
Level 2: Parish, town and community councils
Parish, town and community councils, where the area has them, sit below the council.
Level 4: County councils, combined authorities and metro mayors
- Greater London Authority Greater London Authority
- Metropolitan Police Service police force
- Chelsea and Westminster Hospital NHS Foundation Trust NHS
- NHS West and North London Integrated Care Board NHS
- Kingston and Richmond NHS Foundation Trust NHS
- NHS South West London Integrated Care Board NHS
- London in official figures
Level 5: Devolved and state governments
England has no devolved parliament of its own: its laws are made by the UK Parliament.
Level 6: National government
- Brentford and Isleworth this page: Ruth Cadbury (Labour) MP
- All 650 MPs votes, interests and costs
- UK government and Parliament official figures and sources
Level 7: Regional blocs and supranational bodies
- Council of Europe and the European Court of Human Rights (CoE / ECtHR) The UK Government says the United Kingdom was one of the Council of Europe's founding members.
Level 8: The UN and global treaty bodies
- United Nations (General Assembly and Security Council) The UN lists the United Kingdom as a member admitted on 24 October 1945.
- United Nations Security Council (UNSC) The UK is one of the five permanent members of the Security Council and holds the veto, according to the UN.
- NATO NATO lists the United Kingdom among its 12 founding members, which signed the North Atlantic Treaty in Washington, D.C.
- World Health Organization (WHO) WHO's list of member states includes the United Kingdom of Great Britain and Northern Ireland.
- World Trade Organization (WTO) The WTO says the United Kingdom has been a WTO member since 1 January 1995 and a member of GATT since 1 January 1948.
- Commonwealth of Nations The UK is one of the 56 members, one of three European members with Cyprus and Malta, and the Commonwealth Secretariat is headquartered at Marlborough House in London.
Level 9: The IMF, World Bank and global finance
- International Monetary Fund (IMF) The UK has been a member since 27 December 1945 and has a quota of SDR 20,155.1 million (IMF country page for the United Kingdom).
- World Bank Group (WBG) The UK holds 3.75% of voting power in the IBRD (data as of 30 June 2026) and 6.92% in IDA (as of 30 June 2026), according to the World Bank's voting tables.
Level 10: G7, G20, Davos and global forums
Sources
| Figure | Period | Publisher | Read | Links |
|---|---|---|---|---|
| Population | mid-2024 | ONS | 14 October 2026 | data · area |
| Claimants as a share of residents aged 16 to 64 | September 2026 | ONS | 29 October 2026 | data · area |
| Claimant count | September 2026 | ONS | 29 October 2026 | data · area |
| Employment rate, aged 16 to 64 | April 2025 to March 2026 | ONS | 14 October 2026 | data · area |
| Median full-time pay of residents | April 2025 | ONS | 14 October 2026 | data · area |
| Median full-time pay of people working here | April 2025 | ONS | 14 October 2026 | data · area |
| Median house price | the year to March 2026 | ONS | 14 October 2026 | data · release |
| Homes sold | the year to March 2026 | ONS | 14 October 2026 | data · release |
| Children in relative low income families, after housing costs | 2024/25 | DWP | 14 October 2026 | data · release |
| Children in relative low income families, before housing costs | 2024/25 | DWP | 14 October 2026 | data · release |
| Business sites (local units) | March 2026 | ONS | 14 October 2026 | data · area |
| People employed by businesses here | 2024 | ONS | 14 October 2026 | data · area |
| Economically inactive, aged 16 to 64 | April 2025 to March 2026 | ONS | 14 October 2026 | data · area |
| Households | Census 2021 | ONS | 14 October 2026 | data · area |
| Residents per square kilometre | Census 2021 | ONS | 14 October 2026 | data · area |
| Workers mainly working from home | Census 2021 | ONS | 14 October 2026 | data · area |
| Residents aged 16+ who are retired | Census 2021 | ONS | 14 October 2026 | data · area |
"Data" is the file or query each figure was read from (its SHA-256 is in the link title); "area" shows the same table for this constituency alone.
Common questions
Who is the MP for Brentford and Isleworth?
UK Parliament lists Ruth Cadbury, Labour, as the Member of Parliament for Brentford and Isleworth since the July 2024 general election.
What was the 2024 general election result in Brentford and Isleworth?
Ruth Cadbury (Labour) won with 20,007 votes, a majority of 9,824, on a turnout of 57.0% (House of Commons Library).
What is the unemployment claimant rate in Brentford and Isleworth?
5.1% of residents aged 16 to 64 in September 2026, 4,540 people, on the ONS claimant count.
What is the average house price in Brentford and Isleworth?
The median price paid was £475,000 in the year to March 2026 (ONS, from HM Land Registry sales).
What is the average salary in Brentford and Isleworth?
Median full-time pay of residents was £42,471 a year in April 2025 (ONS Annual Survey of Hours and Earnings).
How many children in Brentford and Isleworth live in low income families?
DWP counts 8,248 (31.2% of under-16s) in relative low income after housing costs for 2024/25.
What is the population of Brentford and Isleworth?
The ONS estimate for mid-2024 is 132,350 residents.
Built 14 October 2026 from official records; how these pages are compiled. This page lists what the record shows and gives no verdict on the MP or the area. Link moved or figure wrong? Tell us.