Constituency profile

Erith and Thamesmead

London · Borough constituency

Ms Abena Oppong-Asare MP
Sitting MP

Ms Abena Oppong-Asare

Labour

First elected December 2019

Current PollCheck projection

Region & type
London
Borough constituency
Last 5 GE winners
LLLLL
Labour 5/5
EU referendum 2016
54.6% Leave
UK average 51.9%; +2.7pp above mean
Current outlook
Labour +19.8pp
vs Reform UK 23.8%
LondonBrexit-marginalDiverse

About the Erith and Thamesmead constituency

Erith and Thamesmead is a borough constituency in London. The sitting MP is Ms Abena Oppong-Asare (Labour), first elected in December 2019. At the 2024 general election, Labour won with 55.1% to 14.7% for Reform UK, a majority of 16,302 votes on a 51.3% turnout. PollCheck's current projection, at the seven-poll average, has Labour on 43.6% and Reform UK on 23.8%, a margin of 19.8 points.

Who lives in Erith and Thamesmead? Constituency demographics

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

Leave vote 2016
54.6%
UK average ~52%
Degree or above
36.9%
UK average ~34%
No qualifications
19.9%
UK average ~18%
Owner-occupied
41.4%
UK average ~63%
Renting (social + private)
56.5%
UK average ~36%
Median age
35.5
UK median ~40
Age 65+
13.1%
UK average ~19%
Age 18-34
34.9%
UK average ~28%

How did Erith and Thamesmead 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 16,302 votes (40.4pp) · turnout 51.3%

Current projection

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

Map of Erith and Thamesmead

Switch between GE2024 ward winners (modelled estimates, ~4pp average error) and a demographic view from the 2021 Census. Hover any area for detail. How the map is built ›

Council layer (not Westminster)

Erith and Thamesmead within Greenwich and Bexley

Erith and Thamesmead crosses council boundaries: Greenwich (65%), Bexley (35%). The figures below are from the 7 May 2026 council elections where held, otherwise the most recent available ward result. About this layer ›

Council overlap

CouncilShare of seatProjection
Greenwich
48 LSOAs
65%View projection ›
Bexley
26 LSOAs
35%View projection ›

Most recent council ward results

Latest council winner per ward - May 2026 results where the council voted, otherwise the most recent available result. How this table is sourced ›

Ward GE2024 winner Latest council winner Shift since GE2024 Turnout
Abbey WoodLabour 57.2%vs Reform 15.0%May 2026 Labour 35.6%vs Reform 23.6%
Labour share
-21.6pp
37.0%
BelvedereLabour 49.5%vs Conservative 17.2%May 2026 Labour 32.4%vs Reform 31.4%
Labour share
-17.1pp
-
ErithLabour 49.0%vs Reform 16.7%May 2026 Labour 41.2%vs Reform 29.2%
Labour share
-7.8pp
-
Plumstead & GlyndonLabour 58.9%vs Reform 14.6%May 2026 Labour 39.3%vs Green 27.3%
Labour share
-19.6pp
37.1%
Plumstead CommonLabour 57.2%vs Conservative 14.1%May 2026 Green 35.2%vs Labour 29.7%
Labour→Green
+27.2pp
43.5%
Shooters HillLabour 62.1%vs Conservative 14.2%May 2026 Green 46.7%vs Labour 27.5%
Labour→Green
+36.2pp
43.4%
Thamesmead EastLabour 51.2%vs Reform 16.5%May 2026 Labour 50.5%vs Reform 24.2%
Labour share
-0.8pp
-
Thamesmead MooringsLabour 52.7%vs Reform 16.8%May 2026 Labour 49.5%vs Reform 21.2%
Labour share
-3.1pp
32.1%
West ThamesmeadLabour 57.6%vs Reform 15.8%May 2026 Labour 32.6%vs Green 28.3%
Labour share
-24.9pp
30.3%
Woolwich ArsenalLabour 59.5%vs Conservative 12.0%May 2026 Labour 36.2%vs Green 31.4%
Labour share
-23.2pp
36.9%
Woolwich CommonLabour 53.3%vs Green 15.1%May 2026 Labour 42.5%vs Green 30.0%
Labour share
-10.7pp
31.8%

Projection trajectory

PollCheck's projection for Erith and Thamesmead at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Erith and Thamesmead at past general elections?

2024 and notional 2019 rows are on current boundaries; 2010-2017 rows are on the boundaries in force at the time. More on boundaries ›

Year Result MP Lab Con LD Right (Ref/UKIP) Green Other Majority Turnout
2010Lab holdTeresa Pearce44.9%31.5%12.0%2.7% UKIP0.8%8.2%5,70360.8%
2015Lab holdTeresa Pearce49.8%27.4%2.3%17.3% UKIP2.2%1.0%9,52560.5%-0.3
2017Lab holdTeresa Pearce57.5%35.0%1.7%3.9% UKIP1.1%0.7%10,01463.8%+3.3
2019notionalLabour winnerAbena Oppong-Asare 2019 MP, pre-review boundary58.4%28.2%4.9%-2.8%5.7%12,98856.2%-7.6
2024Lab holdAbena Oppong-Asare55.1%13.8%4.6%14.7% Ref8.6%3.1%16,30251.3%-4.9

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

Constituencies most like Erith and Thamesmead

Five seats with similar demographic profiles to Erith and Thamesmead. 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

Every figure on this page is computed from the sources below. Read the full methodology ›

Show full source list
  • 2024 general election results · UK Parliament Election Results portal and House of Commons Library briefing CBP-10009.
  • Notional 2019 results on 2024 boundaries · UK Parliament Election Results portal. Recalculated by Parliament; carries assumptions about how 2019 voters would have distributed across the redrawn boundaries.
  • Historic general election results (2010-2017) · House of Commons Library historic results files (on the boundaries in force at the time).
  • Ward-level GE2024 estimates · Britain Elects / New Statesman - article by Ben Walker, underlying spreadsheet. Modelled from constituency totals; average ~4pp per-ward MoE.
  • May 2026 council ward results · Democracy Club via PollCheck's locals 2026 dataset.
  • Earlier council ward results (2014-2024) · DCLEAPIL v1.0 (Jason Leman, drawing on Andrew Teale's LEAP dataset and Democracy Club).
  • Demographics · ONS Census 2021 (England and Wales), aggregated to constituency level using the ONS LSOA21 -> PCON24 best-fit lookup.
  • EU referendum 2016 estimates · Constituency-level Leave vote estimates (Hanretty 2017 method).
  • MP details and Cabinet roles · UK Parliament Members API. MP photos are fetched live from the same source.
  • Boundary geometry and lookups · ONS Open Geography Portal (PCON24 boundaries, LSOA21 boundaries, LSOA21-WD24-LAD24 best-fit lookup).
  • Current projection and trajectory · PollCheck's demographic swingometer applied to the rolling 7-poll average from aggregated GB polls. Not a true MRP - vote-share movements are applied through per-constituency sensitivity multipliers derived from demographic regressions.

If you spot a data issue, please let us know.