UKElections / Seats
House of Commons: seats by party
Last updated: 3 Oct 2026
Largest party
Labour
403 seats
Majority threshold
326
of 650 seats
Seats counted
649
1 vacant
Current seats
One seat per constituency, by the party of the sitting MP
Reform UK 8Traditional Unionist Voice 1Democratic Unionist Party 5Restore Britain 1Conservative 118Ulster Unionist Party 1Speaker 1Liberal Democrat 71Alliance 1Your Party 2Independent 11Sinn Féin 7Social Democratic & Labour Party 2Plaid Cymru 4Scottish National Party 8Labour 403Green Party 5
Seat projection
What current polls would mean in seats, according to Electoral Calculus
Labour short 13 of majority
| Party | 2024 votes | 2024 seats | Projected votes | Projected seats | 90% range |
|---|---|---|---|---|---|
| Conservatives | 24.4% | 121 | 19.3% | 123 | 32–234 |
| Labour | 34.7% | 412 | 26.6% | 313 | 134–403 |
| Liberal Democrats | 12.6% | 72 | 10.0% | 61 | 34–76 |
| Reform UK | 14.7% | 5 | 23.2% | 95 | 45–273 |
| Greens | 6.9% | 4 | 10.2% | 2 | 3–40 |
| SNP | 2.6% | 9 | 2.8% | 32 | 12–42 |
| Plaid Cymru | 0.7% | 4 | 0.8% | 5 | 2–11 |
| Other (GB) | 3.5% | 5 | 7.2% | 1 | 0–5 |
| SF | – | 7 | – | 7 | – |
| DUP | – | 5 | – | 5 | – |
| SDLP | – | 2 | – | 2 | – |
| UUP | – | 1 | – | 1 | – |
| Alliance | – | 1 | – | 1 | – |
| TUV | – | 1 | – | 1 | – |
| NI Other | – | 1 | – | 1 | – |
Probability of possible outcomes
Model projection by Electoral Calculus, updated 30 Sep 2026, based on polls from 04 Sep 2026 to 29 Sep 2026. It is their forecast, not a BritPolls forecast; it includes an adjustment for tactical voting. Northern Ireland seats are shown as held.
What does this mean for seats?
2024: the same parties, two very different shares
Share of votes
Share of seats won
From votes to seats
GE 2024 vote share vs seats won, then seats held today and the latest national voting intention
| Party | 2024 vote share | Seats won 2024 | Seats now | Change | Latest national poll | |
|---|---|---|---|---|---|---|
| Labour | 33.7% | 411 | 403 | -8 | 27.4% | |
| Conservative | 23.7% | 121 | 118 | -3 | 18.8% | |
| Reform UK | 14.3% | 5 | 8 | +3 | 23.4% | |
| Liberal Democrat | 12.2% | 72 | 71 | -1 | 10.0% | |
| Green Party | 6.7% | 4 | 5 | +1 | 10.4% | |
| Scottish National Party | 2.5% | 9 | 8 | -1 | 2.6% |
Under First Past the Post a party needs to win individual constituencies, not just votes: Reform UK took 14.3% of the 2024 vote but won 5 of 650 seats (0.8%). Labour won 33.7% of votes and 411 seats (63.2%).
Seats now: party of each sitting MP (UK Parliament Members API); seats won 2024: official result per constituency; vote share: 2024 general election, Great Britain and Northern Ireland. This page shows what is, not a projection. Seat projections from polls: MRP page.
