Leigh and Atherton
North West · Borough constituency · Wigan borough
About the Leigh and Atherton constituency
Leigh and Atherton is a borough constituency in the North West. The sitting MP is Jo Platt (Labour (Co-op)), first elected in July 2024. At the 2024 general election, Labour won with 48.5% to 26.9% for Reform UK, a majority of 8,881 votes on a 51.5% turnout. PollCheck's current projection, at the seven-poll average, has Labour on 39.5% and Reform UK on 37.4%, a margin of 2.1 points.
Who lives in Leigh and Atherton? Constituency demographics
From the 2021 Census and 2016 EU referendum estimates. Constituency-level data on 2024 boundaries.
How did Leigh and Atherton 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 Leigh and Atherton
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 ›
Leigh and Atherton within Wigan
Leigh and Atherton sits entirely within Wigan Council. The figures below are from the council elections held on 7 May 2026. About this layer ›
Council overlap
| Council | Share of seat | Projection |
|---|---|---|
| Wigan | 100% | 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 |
|---|---|---|---|---|
| Astley | Labour 52.5%vs Reform 18.0% | May 2026 Reform 45.2%vs Labour 20.3% | Labour→Reform +29.7pp | 43.2% |
| Atherton North | Labour 49.4%vs Reform 29.4% | May 2026 Others 47.5%vs Reform 29.3% | Labour→Others +42.6pp | 33.7% |
| Atherton South & Lilford | Labour 47.3%vs Reform 28.9% | May 2026 Reform 50.9%vs Labour 21.8% | Labour→Reform +23.7pp | 38.3% |
| Golborne & Lowton West | Labour 51.8%vs Reform 25.3% | May 2026 Reform 43.2%vs Labour 32.9% | Labour→Reform +18.4pp | 37.0% |
| Hindley Green | Labour 45.5%vs Reform 31.6% | May 2026 Reform 52.3%vs Labour 32.7% | Labour→Reform +16.8pp | 38.9% |
| Leigh Central & Higher Folds | Labour 51.2%vs Reform 29.2% | May 2026 Reform 48.3%vs Labour 25.2% | Labour→Reform +22.5pp | 32.7% |
| Leigh South | Labour 47.7%vs Reform 26.2% | May 2026 Reform 47.5%vs Labour 25.1% | Labour→Reform +21.9pp | 40.2% |
| Leigh West | Labour 51.0%vs Reform 28.0% | May 2026 Reform 51.8%vs Labour 25.5% | Labour→Reform +24.7pp | 33.6% |
| Lowton East | Labour 41.4%vs Conservative 27.2% | May 2026 Reform 35.9%vs Conservative 29.8% | Labour→Reform +14.9pp | 44.8% |
| Tyldesley & Mosley Common | Labour 46.3%vs Reform 26.6% | May 2026 Reform 44.7%vs Labour 19.9% | Labour→Reform +22.3pp | 39.7% |
Projection trajectory
PollCheck's projection for Leigh and Atherton at each of the last 60 GB polls. Hover the chart for the underlying poll details.
Who has won Leigh and Atherton 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 |
|---|---|---|---|---|---|---|---|
| 2010predecessor | Lab hold | Andy Burnham Leigh MP | 48.0% | 20.9% | 18.2% | 12,011 | 58.4% |
| 2015predecessor | Lab hold | Andy Burnham Leigh MP | 53.9% | 22.6% | 2.5% | 14,096 | 59.4%+1.0 |
| 2017predecessor | Lab hold | Joanne Platt Leigh MP | 56.2% | 35.8% | 2.0% | 9,554 | 61.5%+2.1 |
| 2019notional | Conservative winner | James Grundy Leigh MP, pre-review boundary | 43.2% | 43.8% | 4.6% | 293 | 58.0% |
| 2024 | Lab gain from Con | Jo Platt | 48.5% | 15.7% | 3.9% | 8,881 | 51.5%-6.5 |
Leigh and Atherton was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Leigh (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 Leigh and Atherton
Five seats with similar demographic profiles to Leigh and Atherton. Politics shown for context.
- ↓Graduate25.2 / 26.6vs 33.7
- ↑Leave59.4 / 56.7vs 53.2
- ↓Graduate25.2 / 26.8vs 33.7
- ↑Leave59.4 / 60.1vs 53.2
- ↓Graduate25.2 / 26.7vs 33.7
- ↑Leave59.4 / 63.0vs 53.2
- ↓Graduate25.2 / 27.9vs 33.7
- ↑Leave59.4 / 58.1vs 53.2
- ↓Graduate25.2 / 27.2vs 33.7
- ↑Leave59.4 / 56.0vs 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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