Constituency profile

Didcot and Wantage

South East · County constituency

Olly Glover MP
Sitting MP

Olly Glover

Liberal Democrat

First elected July 2024

Current PollCheck projection

Region & type
South East
County constituency
Last 5 GE winners
CCCCLD
Conservative 4/5, Liberal Democrats 1/5
EU referendum 2016
44.8% Leave
UK average 51.9%; -7.1pp below mean
Current outlook
Liberal Democrats +11.1pp
vs Reform UK 23.6%
SouthernRemain-leaningGraduate-heavy

About the Didcot and Wantage constituency

Didcot and Wantage is a county constituency in the South East. The sitting MP is Olly Glover (Liberal Democrat), first elected in July 2024. At the 2024 general election, the Liberal Democrats won with 39.8% to 28.4% for the Conservatives, a majority of 6,233 votes on a 67.8% turnout. PollCheck's current projection, at the seven-poll average, has the Liberal Democrats on 34.7% and Reform UK on 23.6%, a margin of 11.1 points.

Who lives in Didcot and Wantage? Constituency demographics

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

Leave vote 2016
44.8%
UK average ~52%
Degree or above
41.8%
UK average ~34%
No qualifications
12.7%
UK average ~18%
Owner-occupied
68.1%
UK average ~63%
Renting (social + private)
29.1%
UK average ~36%
Median age
40.3
UK median ~40
Age 65+
21.7%
UK average ~19%
Age 18-34
28.9%
UK average ~28%

How did Didcot and Wantage 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

LD gain from Con · majority 6,233 votes (11.4pp) · turnout 67.8%

Current projection

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

Map of Didcot and Wantage

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)

Didcot and Wantage within South Oxfordshire and Vale of White Horse

Didcot and Wantage crosses council boundaries: South Oxfordshire (52%), Vale of White Horse (48%). None of the constituent councils were due to vote in 2026, so the figures below are the most recent ward results available. About this layer ›

Council overlap

CouncilShare of seat
South Oxfordshire
33 LSOAs
52%
Vale of White Horse
30 LSOAs
48%

Recent council by-elections

Council ward by-elections held inside this seat, most recent first. The result column shows which party won; the share column shows the top three parties’ vote shares on the day.

DateWardResultTop 3 vote shares
26 Mar 2026Stanford
Vale of White Horse
Con GAIN from LDCon 46% LD 27% Ref 18%
13 Nov 2025Ridgeway
Vale of White Horse
LD HOLDLD 43% Con 24% Ref 20%
6 Dec 2024Cholsey
South Oxfordshire
LD HOLD
21 Jun 2024Sutton Courtenay
Vale of White Horse
LD HOLD

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
Blewbury & HarwellLib Dem 45.3%vs Conservative 30.5%2023 Lib Dem 71.0%vs Conservative 27.0%-39.6%
CholseyLib Dem 40.5%vs Conservative 29.8%2023 Lib Dem 53.6%vs Conservative 26.8%-49.2%
Didcot North EastLib Dem 40.5%vs Conservative 25.2%2023 Lib Dem 52.1%vs Conservative 28.4%-35.5%
Didcot SouthLib Dem 33.3%vs Conservative 29.7%2023 Labour 43.2%vs Conservative 26.4%-36.5%
Didcot WestLib Dem 34.6%vs Conservative 32.0%2023 Conservative 37.4%vs Labour 29.5%-43.5%
DraytonLib Dem 44.4%vs Conservative 25.6%2023 Lib Dem 72.7%vs Conservative 27.3%-33.6%
Grove NorthLib Dem 40.6%vs Conservative 28.3%2023 Lib Dem 68.6%vs Conservative 31.4%-28.3%
HendredsLib Dem 35.3%vs Conservative 30.7%2023 Green 67.7%vs Conservative 32.3%-40.5%
RidgewayLib Dem 39.7%vs Conservative 32.0%2023 Lib Dem 58.0%vs Conservative 42.0%-43.8%
Sandford & the WittenhamsLib Dem 35.5%vs Conservative 27.5%2023 Green 74.0%vs Conservative 26.0%-38.8%
StanfordConservative 36.2%vs Lib Dem 35.2%2023 Lib Dem 44.2%vs Conservative 43.4%-40.7%
Steventon & the HanneysLib Dem 40.3%vs Conservative 32.6%2023 Lib Dem 64.4%vs Conservative 35.6%-41.4%
Sutton CourtenayLib Dem 43.1%vs Conservative 24.4%2023 Lib Dem 58.5%vs Conservative 27.9%-32.5%
WallingfordLib Dem 41.4%vs Conservative 24.4%2023 Green 42.6%vs Lib Dem 37.0%-68.7%
Wantage & Grove BrookLib Dem 42.9%vs Conservative 24.9%2023 Lib Dem 63.6%vs Conservative 25.7%-30.9%
Wantage CharltonLib Dem 43.8%vs Conservative 24.2%2023 Lib Dem 67.5%vs Conservative 22.1%-35.3%

Projection trajectory

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

Who has won Didcot and Wantage 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
2010predecessorCon holdEdward Vaizey Wantage MP13.9%52.0%27.9%4.3% UKIP1.9%-13,54770.0%
2015predecessorCon holdEdward Vaizey Wantage MP16.0%53.3%13.1%12.5% UKIP5.1%-21,74970.3%+0.3
2017predecessorCon holdEdward Vaizey Wantage MP26.9%54.2%14.5%2.0% UKIP2.4%-17,38074.1%+3.8
2019notionalConservative winnerDavid Johnston Wantage MP, pre-review boundary16.0%49.8%31.3%-0.7%2.2%10,02373.1%
2024LD gain from ConOlly Glover14.7%28.4%39.8%11.7% Ref4.9%0.4%6,23367.8%-5.3

Didcot and Wantage was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Wantage (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 Didcot and Wantage

Five seats with similar demographic profiles to Didcot and Wantage. 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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