Constituency profile

Leeds South West and Morley

Yorkshire and The Humber · Borough constituency · Leeds borough

Mark Sewards MP
Sitting MP

Mark Sewards

Labour

First elected July 2024

Current PollCheck projection

Region & type
Yorkshire and The Humber
Borough constituency, Leeds council
Last 5 GE winners
LCCCL
Conservative 3/5, Labour 2/5
EU referendum 2016
53.0% Leave
UK average 51.9%; +1.1pp above mean
Current outlook
Labour +4.2pp
vs Reform UK 28.4%
NorthernBrexit-marginal

About the Leeds South West and Morley constituency

Leeds South West and Morley is a borough constituency in Yorkshire and The Humber. The sitting MP is Mark Sewards (Labour), first elected in July 2024. At the 2024 general election, Labour won with 44.0% to 23.0% for the Conservatives, a majority of 8,423 votes on a 56.0% turnout. PollCheck's current projection, at the seven-poll average, has Labour on 32.7% and Reform UK on 28.4%, a margin of 4.2 points.

Who lives in Leeds South West and Morley? Constituency demographics

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

Leave vote 2016
53.0%
UK average ~52%
Degree or above
28.4%
UK average ~34%
No qualifications
19.6%
UK average ~18%
Owner-occupied
66.4%
UK average ~63%
Renting (social + private)
32.9%
UK average ~36%
Median age
40.4
UK median ~40
Age 65+
20.4%
UK average ~19%
Age 18-34
30.0%
UK average ~28%

How did Leeds South West and Morley 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 gain from Con · majority 8,423 votes (21.0pp) · turnout 56.0%

Current projection

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

Map of Leeds South West and Morley

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)

Leeds South West and Morley within Leeds

Leeds South West and Morley sits entirely within Leeds Council. The figures below are from the council elections held on 7 May 2026. About this layer ›

Council overlap

CouncilShare of seatProjection
Leeds
58 LSOAs
100%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
Ardsley & Robin HoodLabour 44.0%vs Conservative 26.7%May 2026 Reform 41.6%vs Conservative 20.5%
Labour→Reform
+24.5pp
40.9%
Farnley & WortleyLabour 46.6%vs Reform 18.8%May 2026 Reform 37.2%vs Green 25.4%
Labour→Reform
+24.9pp
35.4%
Morley NorthLabour 40.6%vs Conservative 24.2%May 2026 Others 35.6%vs Reform 34.2%
Labour→Others
+32.8pp
42.8%
Morley SouthLabour 44.8%vs Reform 22.4%May 2026 Reform 35.1%vs Others 26.9%
Labour→Reform
+24.7pp
40.5%

Projection trajectory

PollCheck's projection for Leeds South West and Morley at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Leeds South West and Morley 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
2010predecessorLab holdEd Balls Morley and Outwood MP37.6%35.3%16.8%3.1% UKIP-7.2%1,10165.2%
2015predecessorCon gain from Lab CoopAndrea Jenkyns Morley and Outwood MP38.0%38.9%3.0%16.5% UKIP2.6%1.0%42263.6%-1.6
2017predecessorCon holdAndrea Jenkyns Morley and Outwood MP46.7%50.7%2.6%---2,10468.4%+4.8
2019notionalConservative winnerAndrea Jenkyns Morley and Outwood MP, pre-review boundary36.8%53.1%2.8%-3.3%4.0%7,11461.1%
2024Lab gain from ConMark Sewards44.0%23.0%4.5%20.4% Ref6.3%1.9%8,42356.0%-5.1

Leeds South West and Morley was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Morley and Outwood (the seat that covered most of this area), so vote shares and majorities aren’t directly comparable to the post-2024 figures.

Constituencies most like Leeds South West and Morley

Five seats with similar demographic profiles to Leeds South West and Morley. 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.

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