Skip to content
ukpoliticshub
Portsmouth, in the Portsmouth South constituency

England · Constituency

Portsmouth South

Covers Portsmouth · Southsea · Buckland · Milton and more

John Welford / CC BY-SA 2.0

Photograph shows Portsmouth. The constituency reaches beyond the city itself.

Your member of parliament

Stephen Morgan

Labour

Labour won Portsmouth South at the 2024 general election with a majority of 13,155 votes, or 33.8 points. A swing of 16.9 points to Reform UK would take it. That makes it safer than 588 of the 650 seats with a published margin, and less safe than the other 62.

Contact them, and see their voting record, on Parliament’s site

How safe is this seat?

Very safe

Knife-edgeMedian seatFortress

A majority of 33.8 points, which is larger than 588 of the 650 seats with a published margin.

2024 general election

How the seat voted

Labour finished ahead of Reform UK by 13,155 votes.

Majority

13,155

33.8% of votes cast.

Turnout

52.8%

-6.9 points on the UK figure of 59.7%.

Candidates

6

38,928 valid votes counted.

Official figure
2024 general election result, every candidate by votes received
CandidatePartyVotesSharevs UK
Stephen MorganElectedLabour18,85748.4%+14.7
Mark ZimmerReform UK5,70214.6%+0.4
Signe BiddleConservative5,64314.5%-9.2
Charlie MurphyLiberal Democrat4,88612.6%+0.3
Elliott LeeGreen Party3,1078.0%+1.6
Jacob ShortPortsmouth Independent Party7331.9%+1.9

Very safe. Won by more than thirty points. The vs UK column is each party’s share here against its own national share, summed from all 650 results. That describes the 2024 general election only: arithmetic on the published count, not a forecast.

Coming soon

Local news for Portsmouth South

We’re working on pulling local reporting into each seat page, from across the spectrum and sourced the same way as everything else here. It isn’t built yet, and we’d rather say so than fill the space.

Nearby in the list

Look up another constituency

One email each morning

The morning email, and Portsmouth South when it lands

One email each morning on where Britain stands, and local news for your seat as soon as we build it.

We’ll ask for your constituency and year of birth next. Both optional, and the year only so we know readers are 13 or over.