# SO31

Postcode district covering Locks Heath, Warsash and Park Gate, in Fareham and Eastleigh.

SO31 is a postcode district covering Locks Heath, Warsash and Park Gate, in Fareham and Eastleigh. Median sale price £385,000 in 2025.

Postcode district. Code SO31. In: [Postcodes](https://openindex.co.uk/postcode) › [SO](https://openindex.co.uk/postcode/so)

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an SO31 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £385,000** (2025). The median price paid for a home in SO31 was £385,000 in 2025. Joint 643rd most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/so31#f-house-sales-median-price
- **Population: 47,610** (2021). SO31 had 47,610 usual residents at the census (ONS Census 2021). 253rd most populated of 2,756. 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/postcode/so31#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in SO31 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/postcode/so31#f-radon-affected-share
- **Gigabit broadband coverage: 93.0%** (January 2026). In SO31, 93.0% 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/postcode/so31#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=SO31) (Worked out by Open Index · 2022): About 0% of people in SO31 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=SO31) (Worked out by Open Index · 2025): 839 homes were sold in SO31 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=SO31) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for SO31.
- [Population by postcode district](https://openindex.co.uk/map/population?place=SO31) (Census 2021, England and Wales): SO31 had 47,610 usual residents at the census.

## How SO31 compares

Each postcode district against every other postcode district the measure covers.

| Measure | SO31 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £385,000 | 12th most expensive | 23 postcode districts, SO · 2025 |
| Population | 47,610 | 4th most populated | 24 postcode districts, SO · 2021 |
| People in radon Affected Area squares | 0% | joint fewest people in radon Affected Areas | 24 postcode districts, SO · 2022 |
| Gigabit broadband coverage | 93.0% | 6th highest | 24 postcode districts, SO · Jan 2026 |

## Is SO31 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in SO31 at a rate of 58.5 per 1,000 people.
That compares with 86.0 per 1,000 people across the SO postcode area.
In August 2026 alone, 204 cases of crime and anti-social behaviour were recorded in SO31.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,141), anti-social behaviour (528) and other crime (519).
A year earlier, the recorded crime rate in SO31 was 55.3 per 1,000 people.
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.

## Deprivation in SO31, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so SO31 has no single figure. Of its 28 neighbourhoods with a rank:
- Decile 2: 1 neighbourhood
- Decile 4: 1 neighbourhood
- Decile 6: 4 neighbourhoods
- Decile 7: 1 neighbourhood
- Decile 8: 4 neighbourhoods
- Decile 9: 6 neighbourhoods
- Decile 10 (England’s least deprived 10%): 11 neighbourhoods

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in SO31

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Eastleigh 013A](https://openindex.co.uk/eastleigh/neighbourhood/e01022654) | 1,313 | 46.4 per 1,000 | 9 | 94.8% |
| [Eastleigh 013B](https://openindex.co.uk/eastleigh/neighbourhood/e01022655) | 1,473 | 103.8 per 1,000 | 2 | 97.4% |
| [Eastleigh 013C](https://openindex.co.uk/eastleigh/neighbourhood/e01022656) | 2,442 | 69.5 per 1,000 | 6 | 93.7% |
| [Eastleigh 013D](https://openindex.co.uk/eastleigh/neighbourhood/e01022657) | 2,742 | 78.3 per 1,000 | 6 | 84.8% |
| [Eastleigh 013E](https://openindex.co.uk/eastleigh/neighbourhood/e01022658) | 1,700 | 49.9 per 1,000 | 9 | 82.3% |
| [Eastleigh 014A](https://openindex.co.uk/eastleigh/neighbourhood/e01022710) | 2,071 | 131.8 per 1,000 | 6 | 87.2% |
| [Eastleigh 014B](https://openindex.co.uk/eastleigh/neighbourhood/e01022711) | 1,777 | 81.7 per 1,000 | 4 | 97.0% |
| [Eastleigh 014C](https://openindex.co.uk/eastleigh/neighbourhood/e01022712) | 1,595 | 32.0 per 1,000 | 9 | 94.7% |
| [Eastleigh 015A](https://openindex.co.uk/eastleigh/neighbourhood/e01022688) | 2,207 | 49.1 per 1,000 | 10 | 72.6% |
| [Eastleigh 015B](https://openindex.co.uk/eastleigh/neighbourhood/e01022689) | 1,945 | 70.3 per 1,000 | 9 | 83.2% |
| [Eastleigh 015C](https://openindex.co.uk/eastleigh/neighbourhood/e01022690) | 1,884 | 57.6 per 1,000 | 6 | 88.7% |
| [Fareham 001A](https://openindex.co.uk/fareham/neighbourhood/e01022758) | 2,215 | 53.9 per 1,000 | 8 | 100.0% |
| [Fareham 001D](https://openindex.co.uk/fareham/neighbourhood/e01022773) | 1,712 | 73.1 per 1,000 | 10 | 94.9% |
| [Fareham 001E](https://openindex.co.uk/fareham/neighbourhood/e01022774) | 2,100 | 65.4 per 1,000 | 10 | 81.8% |
| [Fareham 002A](https://openindex.co.uk/fareham/neighbourhood/e01022749) | 1,311 | 9.9 per 1,000 | 10 | 99.8% |
| [Fareham 002B](https://openindex.co.uk/fareham/neighbourhood/e01022753) | 1,144 | 34.7 per 1,000 | 9 | 100.0% |
| [Fareham 002C](https://openindex.co.uk/fareham/neighbourhood/e01022754) | 2,287 | 109.2 per 1,000 | 7 | 99.0% |
| [Fareham 002E](https://openindex.co.uk/fareham/neighbourhood/e01022787) | 1,366 | 43.0 per 1,000 | 8 | 97.7% |
| [Fareham 005A](https://openindex.co.uk/fareham/neighbourhood/e01022750) | 1,408 | 31.1 per 1,000 | 10 | 100.0% |
| [Fareham 005B](https://openindex.co.uk/fareham/neighbourhood/e01022751) | 1,534 | 68.3 per 1,000 | 10 | 99.0% |
| [Fareham 005C](https://openindex.co.uk/fareham/neighbourhood/e01022752) | 1,364 | 10.6 per 1,000 | 10 | 100.0% |
| [Fareham 005D](https://openindex.co.uk/fareham/neighbourhood/e01022757) | 1,591 | 23.8 per 1,000 | 9 | 100.0% |
| [Fareham 005E](https://openindex.co.uk/fareham/neighbourhood/e01022790) | 1,680 | 23.8 per 1,000 | 10 | 98.4% |
| [Fareham 006A](https://openindex.co.uk/fareham/neighbourhood/e01022755) | 1,669 | 46.9 per 1,000 | 8 | 99.9% |
| [Fareham 006B](https://openindex.co.uk/fareham/neighbourhood/e01022756) | 1,775 | 32.4 per 1,000 | 10 | 100.0% |
| [Fareham 006C](https://openindex.co.uk/fareham/neighbourhood/e01022791) | 1,861 | 46.1 per 1,000 | 10 | 99.1% |
| [Fareham 006D](https://openindex.co.uk/fareham/neighbourhood/e01022792) | 1,597 | 38.4 per 1,000 | 8 | 89.8% |
| [Fareham 006E](https://openindex.co.uk/fareham/neighbourhood/e01022793) | 1,940 | 63.0 per 1,000 | 10 | 93.5% |

## Your MP

- [Hamble Valley](https://openindex.co.uk/constituency/hamble-valley): Paul Holmes (Conservative), MP since July 2024.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in SO31

[Hamble-le-Rice](https://openindex.co.uk/eastleigh/hamble-le-rice), [Locks Heath](https://openindex.co.uk/fareham/locks-heath), [Lowford](https://openindex.co.uk/eastleigh/lowford), [Netley](https://openindex.co.uk/eastleigh/netley), [Park Gate & Segensworth](https://openindex.co.uk/fareham/park-gate-and-segensworth), [Swanwick & Sarisbury Green](https://openindex.co.uk/fareham/swanwick-and-sarisbury-green), [Warsash](https://openindex.co.uk/fareham/warsash)

## Postcode sectors in SO31

[SO31 0 (9 postcodes)](https://openindex.co.uk/postcode/so31-0), [SO31 1 (74 postcodes)](https://openindex.co.uk/postcode/so31-1), [SO31 4 (120 postcodes)](https://openindex.co.uk/postcode/so31-4), [SO31 5 (169 postcodes)](https://openindex.co.uk/postcode/so31-5), [SO31 6 (237 postcodes)](https://openindex.co.uk/postcode/so31-6), [SO31 7 (202 postcodes)](https://openindex.co.uk/postcode/so31-7), [SO31 8 (183 postcodes)](https://openindex.co.uk/postcode/so31-8), [SO31 9 (194 postcodes)](https://openindex.co.uk/postcode/so31-9)

## Councils SO31 covers

[Fareham](https://openindex.co.uk/fareham), [Eastleigh](https://openindex.co.uk/eastleigh)

## Towns in SO31

[Bursledon](https://openindex.co.uk/town/bursledon), [Locks Heath](https://openindex.co.uk/town/locks-heath), [Whiteley](https://openindex.co.uk/town/whiteley)

## Postcode districts next to SO31

[PO14](https://openindex.co.uk/postcode/po14), [PO15](https://openindex.co.uk/postcode/po15), [SO19](https://openindex.co.uk/postcode/so19), [SO30](https://openindex.co.uk/postcode/so30)

## Nearest rail stations

[Swanwick (1.6 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-1.2658,50.8757), [Bursledon (2.4 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-1.3050,50.8837), [Hamble (3.2 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-1.3292,50.8714), [Netley (4.1 km from the middle)](https://openindex.co.uk/map/rail-stations?around=-1.3419,50.8749)

## More in the SO postcode area

[All SO postcode districts](https://openindex.co.uk/postcode/so), [Every UK postcode area](https://openindex.co.uk/postcode)

## SO31 in brief

SO31 is a postcode district covering Locks Heath, Warsash and Park Gate, in Fareham and Eastleigh.
About 48,864 people lived in SO31 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £385,000 in 2025 across 839 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 58.5 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in SO31 was £385,000 in 2025.
SO31 had 47,610 usual residents at the census.
About 0% of people in SO31 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In SO31, 93.0% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: SO31
- Postcode area: [SO](https://openindex.co.uk/postcode/so)
- Constituency: [Hamble Valley †](https://openindex.co.uk/constituency/hamble-valley)
- Council: [Fareham †](https://openindex.co.uk/fareham)
- Area: 34.04 km²
- People, mid-2024: 48,864*
- Neighbourhoods: 28
- Output areas: 153

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[PO14](https://openindex.co.uk/postcode/po14), [PO15](https://openindex.co.uk/postcode/po15), [SO30](https://openindex.co.uk/postcode/so30), [SO19](https://openindex.co.uk/postcode/so19)

## Latest updates for SO31

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/SO31

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/so31, or to one figure with its anchor, https://openindex.co.uk/postcode/so31#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 2026.10.9. The HTML page: https://openindex.co.uk/postcode/so31