Portsea
Middle areaWest Portsmouth. 11,196 people (mid-2024 estimate) in 2.0 square kilometres.
Radon Affected Area by middle area
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.
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 | Recorded |
|---|---|
| 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 dot is a middle area. The black line marks the middle one.
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
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.