Constituency profile

Ossett and Denby Dale

Yorkshire and The Humber · County constituency

Jade Botterill MP
Sitting MP

Jade Botterill

Labour

First elected July 2024

Current PollCheck projection

Region & type
Yorkshire and The Humber
County constituency
Last 5 GE winners
CLLCL
Labour 3/5, Conservative 2/5
EU referendum 2016
59.5% Leave
UK average 51.9%; +7.6pp above mean
Current outlook
Reform UK +6.6pp
Vulnerability score 9/10 (Labour projected to lose)
NorthernLeave-leaning

About the Ossett and Denby Dale constituency

Ossett and Denby Dale is a county constituency in Yorkshire and The Humber, spanning parts of Wakefield, Kirklees and neighbouring councils. The sitting MP is Jade Botterill (Labour), first elected in July 2024.

At the 2024 general election, Labour won Ossett and Denby Dale with 39.3% of the vote, ahead of the Conservatives on 28.9%, a majority of 4,542 votes. Turnout was 60.7%.

If a general election were held today, PollCheck's projection at the current seven-poll average has Reform UK on 32.8% and the Conservatives on 26.2% in Ossett and Denby Dale, a margin of 6.6 points, a projected change from Labour since 2024. The projection updates automatically as new polls are added.

Demographically, Ossett and Denby Dale is a Leave-leaning area (an estimated 59.5% voted Leave in 2016). About 31.9% of residents hold a degree, 72.4% of homes are owner-occupied, and the seat has a median age of about 46 (2021 Census).

Across the last 5 general elections on record, the seat has been won by Labour 3 times, the Conservatives 2 times (earlier years may be on predecessor boundaries).

Who lives in Ossett and Denby Dale? Constituency demographics

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

Leave vote 2016
59.5%
UK average ~52%
Degree or above
31.9%
UK average ~34%
No qualifications
17.9%
UK average ~18%
Owner-occupied
72.4%
UK average ~63%
Renting (social + private)
26.9%
UK average ~36%
Median age
45.6
UK median ~40
Age 65+
26.8%
UK average ~19%
Age 18-34
25.1%
UK average ~28%

How did Ossett and Denby Dale 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 4,542 votes (10.4pp) · turnout 60.7%

Current projection

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

Map of Ossett and Denby Dale

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)

Ossett and Denby Dale within Wakefield and Kirklees

Ossett and Denby Dale crosses multiple council boundaries: Wakefield (70%), Kirklees (30%). The figures below come from the council elections held on Thursday 7 May 2026 in each constituent council where they were held; for councils not in the 2026 election cycle the most recent available ward result is shown instead.

Council overlap

CouncilShare of seatProjection
Wakefield
41 LSOAs
70%View projection ›
Kirklees
18 LSOAs
30%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 Ossett and Denby Dale at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Ossett and Denby Dale 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
2010predecessorCon gain from LabSimon Reevell Dewsbury MP32.2%35.0%16.9%-1.6%14.3%1,52668.4%
2015predecessorLab gain from ConPaula Sherriff Dewsbury MP41.8%39.1%3.6%12.4% UKIP2.5%0.6%1,45167.2%-1.2
2017predecessorLab holdPaula Sherriff Dewsbury MP51.0%45.1%2.1%-1.8%-3,32169.5%+2.3
2019notionalConservative winnerMark Eastwood Dewsbury MP, pre-review boundary31.2%53.9%4.9%-1.2%8.8%11,02767.9%
2024Lab gain from ConJade Botterill39.3%28.9%4.1%21.0% Ref4.9%1.8%4,54260.7%-7.2

Ossett and Denby Dale was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Dewsbury (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 Ossett and Denby Dale

Five seats with similar demographic profiles to Ossett and Denby Dale. 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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