Islington South and Finsbury
London · Borough constituency
About the Islington South and Finsbury constituency
Islington South and Finsbury is a borough constituency in London. The sitting MP is Emily Thornberry (Labour), first elected in May 2005. At the 2024 general election, Labour won with 53.7% to 17.5% for the Greens, a majority of 15,455 votes on a 57.7% turnout. PollCheck's current projection, at the seven-poll average, has Labour on 47.7% and the Greens on 23.8%, a margin of 23.9 points.
Who lives in Islington South and Finsbury? Constituency demographics
From the 2021 Census and 2016 EU referendum estimates. Constituency-level data on 2024 boundaries.
How did Islington South and Finsbury 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
Current projection
Map of Islington South and Finsbury
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 ›
Islington South and Finsbury within Islington and Hackney
Islington South and Finsbury crosses council boundaries: Islington (91%), Hackney (9%). The figures below are from the 7 May 2026 council elections where held, otherwise the most recent available ward result. About this layer ›
Council overlap
| Council | Share of seat | Projection |
|---|---|---|
| Islington | 91% | View projection › |
| Hackney | 9% | 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 |
|---|---|---|---|---|
| Barnsbury | Labour 52.1%vs Green 19.8% | May 2026 Labour 42.0%vs Green 30.7% | Labour share -10.0pp | 47.2% |
| Bunhill | Labour 57.1%vs Green 17.6% | May 2026 Labour 40.6%vs Green 26.3% | Labour share -16.5pp | 37.7% |
| Caledonian | Labour 56.6%vs Green 16.0% | May 2026 Labour 41.6%vs Green 34.4% | Labour share -15.0pp | 42.0% |
| Canonbury | Labour 52.7%vs Green 17.0% | May 2026 Labour 36.5%vs Green 33.8% | Labour share -16.1pp | 41.6% |
| Clerkenwell | Labour 52.5%vs Green 17.4% | May 2026 Green 35.9%vs Labour 35.3% | Labour→Green +17.8pp | 43.9% |
| De Beauvoir | Labour 55.5%vs Green 18.5% | May 2026 Green 46.0%vs Labour 39.5% | Labour→Green +21.7pp | 42.3% |
| Holloway | Labour 56.7%vs Green 17.3% | May 2026 Labour 46.5%vs Green 32.5% | Labour share -10.3pp | 43.8% |
| Laycock | Labour 54.2%vs Green 18.1% | May 2026 Labour 40.0%vs Green 31.9% | Labour share -14.2pp | 40.5% |
| St Mary's & St James' | Labour 49.5%vs Green 17.2% | May 2026 Labour 37.2%vs Green 26.9% | Labour share -12.2pp | 46.0% |
| St Peter's & Canalside | Labour 50.8%vs Green 15.8% | May 2026 Labour 43.7%vs Green 27.9% | Labour share -7.0pp | - |
Projection trajectory
PollCheck's projection for Islington South and Finsbury at each of the last 60 GB polls. Hover the chart for the underlying poll details.
Who has won Islington South and Finsbury 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 | Majority | Turnout |
|---|---|---|---|---|---|---|---|
| 2010 | Lab hold | Emily Thornberry | 42.3% | 19.4% | 34.1% | 3,569 | 64.4% |
| 2015 | Lab hold | Emily Thornberry | 50.9% | 22.2% | 10.9% | 12,708 | 65.0%+0.6 |
| 2017 | Lab hold | Emily Thornberry | 62.8% | 20.7% | 12.1% | 20,263 | 69.1%+4.1 |
| 2019notional | Labour winner | Emily Thornberry 2019 MP, pre-review boundary | 57.0% | 16.3% | 19.7% | 19,458 | 68.7%-0.4 |
| 2024 | Lab hold | Emily Thornberry | 53.7% | 8.4% | 9.5% | 15,455 | 57.7%-11.0 |
Earlier years are on pre-2024 boundaries; comparable results on the new boundary will be added when sourced.
Constituencies most like Islington South and Finsbury
Five seats with similar demographic profiles to Islington South and Finsbury. Politics shown for context.
- ↓Owner-occupied24.6 / 29.1vs 61.9
- ↓Leave28.3 / 21.6vs 53.2
- ↑Graduate56.3 / 57.5vs 33.7
- ↓Owner-occupied24.6 / 23.8vs 61.9
- ↓Leave28.3 / 26.1vs 53.2
- ↑Graduate56.3 / 56.9vs 33.7
- ↓Owner-occupied24.6 / 23.2vs 61.9
- ↑Social rent41.9 / 43.3vs 16.8
- ↓Leave28.3 / 26.7vs 53.2
- ↓Owner-occupied24.6 / 29.0vs 61.9
- ↓Leave28.3 / 20.5vs 53.2
- ↑Social rent41.9 / 37.1vs 16.8
- ↓Owner-occupied24.6 / 20.8vs 61.9
- ↑Social rent41.9 / 44.9vs 16.8
- ↓Leave28.3 / 22.8vs 53.2
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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