# Portsea

West Portsmouth. 11,196 people (mid-2024 estimate) in 2.0 square kilometres.

Portsea had 10,275 usual residents at the census (ONS Census 2021).

Middle area. Code E02006975. In: [South East](https://openindex.co.uk/south-east) › [Portsmouth](https://openindex.co.uk/portsmouth)

## Key figures

- **Median sale price: £134,000** (2025). The median price paid for a home in Portsea was £134,000 in 2025. Joint 287th cheapest of 7,259. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/portsmouth/portsea#f-house-sales-median-price
- **Population: 10,275** (2021). Portsea had 10,275 usual residents at the census (ONS Census 2021). Joint 963rd most populated of 9,448. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/portsmouth/portsea#f-population
- **People in radon Affected Area squares: 15%** (2022). About 15% of people in Portsea live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/portsmouth/portsea#f-radon-affected-share
- **Gigabit broadband coverage: 88.4%** (January 2026). In Portsea, 88.4% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/portsmouth/portsea#f-gigabit-coverage

## On the map

- [Radon Affected Area by middle area](https://openindex.co.uk/map/radon-affected-areas?place=E02006975) (Worked out by Open Index · 2022): About 15% of people in Portsea live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by middle area](https://openindex.co.uk/map/house-sales-per-year?place=E02006975) (Worked out by Open Index · 2025): 15 homes were sold in Portsea in 2025.
- [Crime and ASB by middle area](https://openindex.co.uk/map/recorded-crime?place=E02006975) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for Portsea.
- [Population by middle area](https://openindex.co.uk/map/population?place=E02006975) (Census 2021, England and Wales): Portsea had 10,275 usual residents at the census.

## Recorded crime in Portsea

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Portsea at a rate of 254.3 per 1,000 people.
That compares with 126.7 per 1,000 people across Portsmouth.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

| Kind of crime, 12 months to August 2026 | Count |
| --- | --- |
| Violence and sexual offences | 1,001 |
| Other crime | 627 |
| Shoplifting | 411 |
| Anti-social behaviour | 310 |
| Drug offences | 152 |
| Criminal damage and arson | 131 |
| Vehicle crime | 67 |
| Robbery | 64 |
| Burglary | 52 |
| Theft from the person | 32 |

Source: police.uk, 12 months to August 2026.

## How Portsea compares

Each middle area against every other middle area the measure covers.

| Measure | Portsea | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £134,000 | cheapest | 26 middle areas, Portsmouth · 2025 |
| Population | 10,275 | 3rd most populated | 26 middle areas, Portsmouth · 2021 |
| People in radon Affected Area squares | 15% | 9th fewest people in radon Affected Areas | 26 middle areas, Portsmouth · 2022 |
| Gigabit broadband coverage | 88.4% | lowest | 26 middle areas, Portsmouth · Jan 2026 |

## Is Portsea safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Portsea at a rate of 254.3 per 1,000 people.
That compares with 126.7 per 1,000 people across Portsmouth.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 244 cases of crime and anti-social behaviour were recorded in Portsea.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,001), other crime (627) and shoplifting (411).
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

## Figures for the whole of Portsmouth

These figures are published for the whole of Portsmouth, not for each middle area, so they describe all of Portsmouth and not Portsea alone. [See Portsmouth](https://openindex.co.uk/portsmouth)

- **Average house price: £251,220** (July 2026). Portsmouth’s average house price was £251,220 in July 2026 (HM Land Registry). Up 1.3% in a year. Source: UK House Price Index, July 2026. Published 16 September 2026.
- **Median full-time pay: £36,022** (2025). Full-time workers living in Portsmouth earned a median of £36,022 in 2025 (ONS earnings survey). 95th lowest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 7.0×** (2025). A home in Portsmouth costs 7.0 times local full-time pay. Joint 158th most affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 16 September 2026.
- **Deprivation score: 26.4** (2025). Portsmouth has a deprivation score of 26.4 in the English Indices of Deprivation 2025 (MHCLG). 64th most deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Portsea in brief

The median price paid for a home in Portsea was £134,000 in 2025.
Portsea had 10,275 usual residents at the census.
About 15% of people in Portsea live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Portsea, 88.4% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Middle area
- Code: E02006975
- Ward: [Charles Dickens †](https://openindex.co.uk/portsmouth/ward/charles-dickens)
- Constituency: [Portsmouth South †](https://openindex.co.uk/constituency/portsmouth-south)
- Council: [Portsmouth](https://openindex.co.uk/portsmouth)
- Region: [South East](https://openindex.co.uk/south-east)
- Nation: [England](https://openindex.co.uk/england)
- Area: 2.03 km²
- People, mid-2024: 11,196*
- Neighbourhoods: 4
- Output areas: 22

* People: worked out by Open Index by adding up the neighbourhood estimates inside this area.
† Best fit: the ward and constituency this middle area mostly lies in. Its edges do not follow theirs.

## Next door

[Landport](https://openindex.co.uk/portsmouth/landport), [Fratton West](https://openindex.co.uk/portsmouth/fratton-west), [Somers Town](https://openindex.co.uk/portsmouth/somers-town), [Old Portsmouth & Southsea Common](https://openindex.co.uk/portsmouth/old-portsmouth-and-southsea-common)

## Latest updates for Portsea

- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.
- GP practices updated: NHS England · Oct 2026.
- Schools updated: Department for Education · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/E02006975

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/portsmouth/portsea, or to one figure with its anchor, https://openindex.co.uk/portsmouth/portsea#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.8, https://doi.org/10.5281/zenodo.23508850. The HTML page: https://openindex.co.uk/portsmouth/portsea