Constituency profile

Newton Aycliffe and Spennymoor

North East · County constituency · County Durham borough

Alan Strickland MP
Sitting MP

Alan Strickland

Labour

First elected July 2024

Current PollCheck projection

Region & type
North East
County constituency, County Durham council
Last 5 GE winners
LLLCL
Labour 4/5, Conservative 1/5
EU referendum 2016
54.5% Leave
UK average 51.9%; +2.6pp above mean
Current outlook
Labour +6.8pp
vs Reform UK 29.6%
NorthernBrexit-marginalWorking-class profile

About the Newton Aycliffe and Spennymoor constituency

Newton Aycliffe and Spennymoor is a county constituency in the North East. The sitting MP is Alan Strickland (Labour), first elected in July 2024. At the 2024 general election, Labour won with 46.2% to 24.0% for Reform UK, a majority of 8,839 votes on a 55.2% turnout. PollCheck's current projection, at the seven-poll average, has Labour on 36.4% and Reform UK on 29.6%, a margin of 6.8 points.

Who lives in Newton Aycliffe and Spennymoor? Constituency demographics

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

Leave vote 2016
54.5%
UK average ~52%
Degree or above
25.7%
UK average ~34%
No qualifications
21.5%
UK average ~18%
Owner-occupied
61.1%
UK average ~63%
Renting (social + private)
38.4%
UK average ~36%
Median age
44.6
UK median ~40
Age 65+
25.8%
UK average ~19%
Age 18-34
26.8%
UK average ~28%

How did Newton Aycliffe and Spennymoor 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 8,839 votes (22.2pp) · turnout 55.2%

Current projection

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

Map of Newton Aycliffe and Spennymoor

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)

Newton Aycliffe and Spennymoor within County Durham

Newton Aycliffe and Spennymoor sits entirely within County Durham Council. County Durham was not due to vote in 2026, so the figures below are the most recent ward results available. About this layer ›

Council overlap

CouncilShare of seat
County Durham
62 LSOAs
100%

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
Aycliffe EastLabour 49.8%vs Reform 21.8%No council data--
Aycliffe North and MiddridgeLabour 42.2%vs Reform 25.3%No council data--
Aycliffe WestLabour 47.1%vs Reform 27.7%No council data--
Bishop Middleham and CornforthLabour 43.6%vs Reform 26.3%No council data--
ChiltonLabour 45.6%vs Reform 25.8%No council data--
CoxhoeLabour 47.2%vs Reform 24.1%No council data--
FerryhillLabour 44.6%vs Reform 27.1%No council data--
SedgefieldLabour 45.2%vs Conservative 28.6%No council data--
SpennymoorLabour 48.5%vs Reform 22.1%No council data--
Trimdon and ThornleyLabour 49.8%vs Reform 23.3%No council data--
TudhoeLabour 44.4%vs Reform 27.0%No council data--

Projection trajectory

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

Who has won Newton Aycliffe and Spennymoor 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 holdPhil Wilson Sedgefield MP45.1%23.5%20.0%3.7% UKIP-7.8%8,69662.1%
2015predecessorLab holdPhil Wilson Sedgefield MP47.2%29.5%3.5%16.6% UKIP3.1%-6,84361.6%-0.5
2017predecessorLab holdPhil Wilson Sedgefield MP53.4%38.8%1.9%4.2% UKIP1.6%-6,05965.1%+3.5
2019notionalConservative winnerPaul Howell Sedgefield MP, pre-review boundary38.3%46.1%5.4%-1.5%8.7%3,40860.8%
2024Lab gain from ConAlan Strickland46.2%20.6%3.7%24.0% Ref4.3%1.3%8,83955.2%-5.6

Newton Aycliffe and Spennymoor was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Sedgefield (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 Newton Aycliffe and Spennymoor

Five seats with similar demographic profiles to Newton Aycliffe and Spennymoor. 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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