Constituency profile

Argyll, Bute and South Lochaber

Scotland · County constituency · Argyll and Bute borough

Brendan O'Hara MP
Sitting MP

Brendan O'Hara

Scottish National Party

First elected May 2015

Current PollCheck projection

Region & type
Scotland
County constituency, Argyll and Bute council
Last 5 GE winners
LDSSSS
SNP 4/5, Liberal Democrats 1/5
EU referendum 2016
41.5% Leave
UK average 51.9%; -10.4pp below mean
Current outlook
SNP +17.6pp
vs Conservative 18.8%
ScottishRemain-leaningGraduate-heavy

About the Argyll, Bute and South Lochaber constituency

Argyll, Bute and South Lochaber is a county constituency in Scotland. The sitting MP is Brendan O'Hara (Scottish National Party), first elected in May 2015. At the 2024 general election, the SNP won with 34.7% to 20.8% for the Conservatives, a majority of 6,232 votes on a 62.5% turnout. PollCheck's current projection, at the seven-poll average, has the SNP on 36.4% and the Conservatives on 18.8%, a margin of 17.6 points.

Who lives in Argyll, Bute and South Lochaber? Constituency demographics

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

Leave vote 2016
41.5%
UK average ~52%
Degree or above
46.5%
UK average ~34%
No qualifications
15.4%
UK average ~18%
Owner-occupied
67.3%
UK average ~63%
Renting (social + private)
30.6%
UK average ~36%
Median age
51.5
UK median ~40
Age 65+
31.4%
UK average ~19%
Age 18-34
20.7%
UK average ~28%

How did Argyll, Bute and South Lochaber 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

SNP hold · majority 6,232 votes (13.9pp) · turnout 62.5%

Current projection

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

Map of Argyll, Bute and South Lochaber

Switch between GE2024 ward winners (modelled estimates, ~4pp average error) and a demographic view from Scotland's 2022 Census. Hover any area for detail. How the map is built ›

Holyrood 2026 layer

How Argyll, Bute and South Lochaber voted at the Scottish Parliament election (7 May 2026)

Argyll, Bute and South Lochaber crosses multiple Holyrood boundaries: Argyll and Bute (70%), Skye, Lochaber and Badenoch (23%), Dumbarton (5%). Scotland uses the Additional Member System: voters cast one ballot for a constituency MSP and a second for a regional list. The figures below are the constituency vote.

Holyrood constituencyShare of Argyll, Bute and South LochaberWinnerRunner-upElected MSP
Argyll and Bute70%SNP 40.0%Liberal Democrats 30.7%Jenni Minto
Skye, Lochaber and Badenoch23%Liberal Democrats 38.9%SNP 36.5%Andrew Baxter
Dumbarton5%Labour 39.8%SNP 34.2%Jackie Baillie

Holyrood 2026 constituency results from official declarations. Overlap percentages are area-based using the post-2024 Westminster boundary against the new Holyrood second-review boundary (in force from 7 May 2026).

Council layer (not Westminster)

Argyll, Bute and South Lochaber within Argyll and Bute

Argyll, Bute and South Lochaber sits entirely within Argyll and Bute Council. Argyll and Bute 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
Argyll and Bute
1 LSOAs
100%

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
11 Dec 2025Fort William & Ardnamurchan
Highland
LD GAIN from SNPLD 40% Con 29% Ref 10%
23 Nov 2024Fort William and Ardnamurchan
Highland
LD HOLD
19 Jul 2024Kintyre and the Islands
Argyll and Bute
SNP GAIN from LD
6 Nov 2023South Kintyre
Argyll and Bute
Ind HOLD
20 Oct 2022Kintyre and the Islands
Argyll and Bute
Ind 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
CowalSNP 38.1%vs Conservative 22.3%2022 SNP 41.9%vs Conservative 26.1%-54.7%
DunoonSNP 40.2%vs Lib Dem 23.2%2022 SNP 40.9%vs Conservative 17.9%-49.0%
Fort William and ArdnamurchanLib Dem 40.4%vs SNP 25.7%2022 Lib Dem 37.5%vs SNP 33.5%-44.4%
Helensburgh CentralConservative 28.2%vs Labour 25.7%2022 Conservative 37.2%vs SNP 21.4%-50.9%
Helensburgh and Lomond SouthConservative 28.2%vs SNP 24.9%2022 Conservative 47.7%vs SNP 26.0%-49.7%
Isle of ButeSNP 44.0%vs Conservative 27.7%2022 Independent 46.1%vs SNP 25.4%-47.9%
Kintyre and the IslandsSNP 39.2%vs Lib Dem 28.2%2022 Independent 39.9%vs SNP 29.9%-53.7%
Lomond NorthSNP 34.7%vs Conservative 27.8%2022 Independent 34.1%vs Conservative 26.4%-51.1%
Mid ArgyllSNP 47.9%vs Conservative 19.8%2022 Independent 46.6%vs SNP 31.1%-51.4%
Oban North and LornSNP 34.3%vs Labour 28.9%2022 Independent 31.6%vs SNP 30.6%-49.0%
Oban South and the IslesSNP 48.7%vs Conservative 18.2%2022 SNP 38.2%vs Independent 29.8%-27.6%
South KintyreSNP 34.5%vs Labour 25.4%2022 Independent 36.0%vs SNP 32.8%-46.0%

Projection trajectory

PollCheck's projection for Argyll, Bute and South Lochaber at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Argyll, Bute and South Lochaber 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
2010predecessorLD holdAlan Reid Argyll and Bute MP22.7%24.0%31.6%-1.7%0.9%3,43167.3%
2015predecessorSNP gain from LDBrendan O'Hara Argyll and Bute MP10.4%14.9%27.9%2.5% UKIP--8,47375.3%+8.0
2017predecessorSNP holdBrendan O'Hara Argyll and Bute MP12.6%33.2%18.2%---1,32871.5%-3.8
2019notionalScottish National Party winnerBrendan O'Hara Argyll and Bute MP, pre-review boundary7.1%34.5%14.1%--44.3%4,89770.7%
2024SNP holdBrendan O'Hara19.1%20.8%16.4%6.8% Ref-2.1%6,23262.5%-8.2

Argyll, Bute and South Lochaber was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Argyll and Bute (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 Argyll, Bute and South Lochaber

Five seats with similar demographic profiles to Argyll, Bute and South Lochaber. 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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