Constituency profile

Ealing Southall

London · Borough constituency · Ealing borough

Deirdre Costigan MP
Sitting MP

Deirdre Costigan

Labour

First elected July 2024

Current PollCheck projection

Region & type
London
Borough constituency, Ealing council
Last 5 GE winners
LLLLL
Labour 5/5
EU referendum 2016
39.1% Leave
UK average 51.9%; -12.8pp below mean
Current outlook
Labour +24.6pp
vs Green 16.7%
LondonRemain-leaningDiverse

About the Ealing Southall constituency

Ealing Southall is a borough constituency in London, covering most or all of Ealing. The sitting MP is Deirdre Costigan (Labour), first elected in July 2024.

At the 2024 general election, Labour won Ealing Southall with 49.1% of the vote, ahead of the Conservatives on 15.4%, a majority of 15,793 votes. Turnout was 59.5%.

If a general election were held today, PollCheck's projection at the current seven-poll average has Labour on 41.3% and the Greens on 16.7% in Ealing Southall, a margin of 24.6 points. The projection updates automatically as new polls are added.

Demographically, Ealing Southall is a Remain-leaning area (an estimated 39.1% voted Leave in 2016). About 38.6% of residents hold a degree, 48.3% of homes are owner-occupied, and the seat has a median age of about 37 (2021 Census).

Across the most recent general elections on record here, the seat has been won by Labour each time.

Who lives in Ealing Southall? Constituency demographics

From the 2021 Census and 2016 EU referendum estimates. Constituency-level data on 2024 boundaries.

Leave vote 2016
39.1%
UK average ~52%
Degree or above
38.6%
UK average ~34%
No qualifications
21.9%
UK average ~18%
Owner-occupied
48.3%
UK average ~63%
Renting (social + private)
49.5%
UK average ~36%
Median age
37.4
UK median ~40
Age 65+
15.0%
UK average ~19%
Age 18-34
33.3%
UK average ~28%

How did Ealing Southall vote in 2024 and how would it vote now?

2024 vote shares from the HoC Library. Current projection is at the 7-poll average.

2024 general election

Lab hold · majority 15,793 votes (33.7pp) · turnout 59.5%

Current projection

If a general election were held today, at current poll average

Map of Ealing Southall

Switch between ward-level 2024 election winners and a demographic view. Ward winners are Britain Elects' / New Statesman modelled estimates with an average ~4pp margin of error per ward. The demographic view splits the seat into small neighbourhoods (around 1,500 residents each, from the 2021 Census). Hover any area for detail.

Council layer (not Westminster)

Ealing Southall within Ealing

The Westminster constituency of Ealing Southall sits entirely within Ealing Council. Local council elections are a separate ballot from Westminster general elections - the figures below are from the council elections held on Thursday 7 May 2026.

Council overlap

CouncilShare of seatProjection
Ealing
65 LSOAs
100%View projection ›

Most recent council ward results

Latest council winner per ward. Where the council held a May 2026 election, those results are shown; otherwise we show the most recent available ward result (via DCLEAPIL, 2014-2024), or, where the seat was uncontested at the last election, the current sitting councillor from OpenCouncilData. The "Shift since GE2024" column is only computed for May 2026 results - earlier council votes pre-date the GE, so no directional shift is shown.

Ward GE2024 winner Latest council winner Shift since GE2024 Turnout

Projection trajectory

PollCheck's projection for Ealing Southall at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Ealing Southall at past general elections?

2024 result is on current boundaries. The 2019 row is the UK Parliament's notional recalculation onto the 2024 boundaries (directly comparable to 2024). The 2010, 2015 and 2017 rows are on the boundaries in force at the time and aren't directly comparable.

Year Result MP Lab Con LD Right (Ref/UKIP) Green Other Majority Turnout
2010Lab holdVirendra Sharma51.5%29.8%14.9%-1.6%2.1%9,29163.8%
2015Lab holdVirendra Sharma65.0%21.7%3.6%4.1% UKIP4.6%1.1%18,76066.0%+2.2
2017Lab holdVirendra Sharma70.3%21.3%4.2%1.1% UKIP2.3%0.8%22,09069.3%+3.3
2019notionalLabour winnerVirendra Sharma 2019 MP, pre-review boundary59.7%23.9%9.8%-3.8%2.8%18,26667.9%-1.4
2024Lab holdDeirdre Costigan49.1%15.4%6.0%5.5% Ref9.3%14.6%15,79359.5%-8.4

Earlier years are on pre-2024 boundaries; comparable results on the new boundary will be added when sourced.

Constituencies most like Ealing Southall

Five seats with similar demographic profiles to Ealing Southall. Politics shown for context.

What would change this seat?

Move the sliders to set national vote shares. The per-seat projection updates live. Reset returns to the current 7-poll average.

Related

Sources

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