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Constituency

Portsmouth North

At a glance

Portsmouth North is a UK parliamentary constituency in South East, currently represented in the House of Commons by Amanda Martin, a Labour MP. Amanda Martin has represented the seat since 4 Jul 2024. At the 2024 general election it was ultra-marginal, won by a majority of 780 votes (1.9%), ranking #41 most marginal of 650 seats. Their Commons voting participation while representing this constituency is 84.0 %, compared with a Commons average of 72.7 %. Browse all seats on the UK constituencies index.

Constituency snapshot

Current representation signals for this constituency.

Current MP Amanda Martin
Photograph of Amanda Martin MP ID 5294
Current party
Lab Labour
MP since 4 Jul 2024
Current Commons representation
Voting participation 84.0 %
483 of 575 eligible divisions
Region South East
Electoral region of England, Scotland, Wales or Northern Ireland
Parliament ID 4246
Imported constituency identifier
Recent votes shown 10
Latest divisions listed below

Boundary

Imported constituency boundary for Portsmouth North.

Map

MP voting summary

How Amanda Martin has voted since becoming MP for this constituency.

Voted in 483 of 575 eligible divisions (84.0 %).

84.0 %

Participation

240

Aye

243

No

0

Against party

Aye / No split Ayes 240 / Noes 243

Recent divisions

Representation history

Every MP who has represented this seat, with how each voted during their time in office.

Election results

How this seat has voted at general elections and by-elections. All UK election results →

Ultra-marginal — won by 1.9% in 2024

Majority of 780 votes · #41 most marginal of 650 seats.

4 July 2024

59 % turnout · maj 780
Amanda Martin · Labour 14,495 (34.9%)
Penny Mordaunt · Conservative 13,715 (33%)
Melvyn Todd · Reform UK 8,501 (20.4%)
Simon Dodd · Liberal Democrat 3,031 (7.3%)
Duncan Robinson · Green Party 1,851 (4.5%)

More seats in South East

Other UK parliamentary constituencies in South East — explore their MPs and voting records.

Browse all UK constituencies →

Constituency source UK Parliament Members API
Member source UK Parliament member record

FAQs

Who is the MP for Portsmouth North?

Amanda Martin is the current MP for Portsmouth North. Source

Which party currently holds Portsmouth North?

Portsmouth North is currently represented by Amanda Martin of Labour. Source

What is the Parliament constituency ID for Portsmouth North?

Portsmouth North's imported Parliament constituency ID is 4246. Source

Where can I find the member profile for Portsmouth North?

The current MP profile for Portsmouth North is linked from this page and records party, roles, interests, election data, and voting record where available. Source

Can the MP for Portsmouth North change?

Yes. Constituency representation can change after a general election, by-election, resignation, recall petition, or other parliamentary change. Re-running the current MP import refreshes this data. Source

Where does Portsmouth North data come from?

Constituency and current MP data is imported from the UK Parliament Members API. Source