# SS4

Postcode district covering Rochford and Ashingdon, in Rochford.

SS4 is a postcode district covering Rochford and Ashingdon, in Rochford. Median sale price £370,000 in 2025. Recorded crime 65.1 per 1,000 people.

Postcode district. Code SS4. In: [Postcodes](https://openindex.co.uk/postcode) › [SS](https://openindex.co.uk/postcode/ss)

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 SS4 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £370,000** (2025). The median price paid for a home in SS4 was £370,000 in 2025. Joint 700th 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/ss4#f-house-sales-median-price
- **Population: 21,938** (2021). SS4 had 21,938 usual residents at the census (ONS Census 2021). 1,342nd 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/ss4#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in SS4 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/ss4#f-radon-affected-share
- **Gigabit broadband coverage: 96.8%** (January 2026). In SS4, 96.8% 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/ss4#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=SS4) (Worked out by Open Index · 2022): About 0% of people in SS4 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=SS4) (Worked out by Open Index · 2025): 395 homes were sold in SS4 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=SS4) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for SS4.
- [Population by postcode district](https://openindex.co.uk/map/population?place=SS4) (Census 2021, England and Wales): SS4 had 21,938 usual residents at the census.

## How SS4 compares

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

| Measure | SS4 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £370,000 | joint 6th most expensive | 17 postcode districts, SS · 2025 |
| Population | 21,938 | 4th least populated | 18 postcode districts, SS · 2021 |
| People in radon Affected Area squares | 0% | joint fewest people in radon Affected Areas | 18 postcode districts, SS · 2022 |
| Gigabit broadband coverage | 96.8% | 5th highest | 18 postcode districts, SS · Jan 2026 |

## Is SS4 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in SS4 at a rate of 65.1 per 1,000 people.
That compares with 91.5 per 1,000 people across the SS postcode area.
In August 2026 alone, 121 cases of crime and anti-social behaviour were recorded in SS4.
In the 12 months to August 2026, the most common types were violence and sexual offences (705), other crime (247) and anti-social behaviour (161).
A year earlier, the recorded crime rate in SS4 was 60.8 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 SS4, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so SS4 has no single figure. Of its 14 neighbourhoods with a rank:
- Decile 1 (England’s most deprived 10%): 1 neighbourhood
- Decile 2: 1 neighbourhood
- Decile 4: 2 neighbourhoods
- Decile 6: 3 neighbourhoods
- Decile 7: 2 neighbourhoods
- Decile 8: 3 neighbourhoods
- Decile 9: 2 neighbourhoods

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

## Neighbourhoods in SS4

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Rochford 002A](https://openindex.co.uk/rochford/neighbourhood/e01021914) | 2,008 | 29.6 per 1,000 | 8 | 90.5% |
| [Rochford 002B](https://openindex.co.uk/rochford/neighbourhood/e01021927) | 1,229 | 17.1 per 1,000 | 9 | 100.0% |
| [Rochford 002C](https://openindex.co.uk/rochford/neighbourhood/e01021928) | 1,494 | 35.5 per 1,000 | 7 | 97.3% |
| [Rochford 002D](https://openindex.co.uk/rochford/neighbourhood/e01021929) | 1,599 | 15.0 per 1,000 | 9 | 99.0% |
| [Rochford 002E](https://openindex.co.uk/rochford/neighbourhood/e01021931) | 1,585 | 39.7 per 1,000 | 8 | 99.5% |
| [Rochford 004A](https://openindex.co.uk/rochford/neighbourhood/e01021915) | 1,357 | 58.0 per 1,000 | 4 | 96.9% |
| [Rochford 004B](https://openindex.co.uk/rochford/neighbourhood/e01021916) | 1,214 | 22.9 per 1,000 | 6 | 99.0% |
| [Rochford 004C](https://openindex.co.uk/rochford/neighbourhood/e01021953) | 1,340 | 145.9 per 1,000 | 1 | 96.0% |
| [Rochford 004D](https://openindex.co.uk/rochford/neighbourhood/e01021955) | 1,743 | 115.5 per 1,000 | 2 | 97.4% |
| [Rochford 007A](https://openindex.co.uk/rochford/neighbourhood/e01021930) | 1,316 | 56.9 per 1,000 | 6 | 100.0% |
| [Rochford 007B](https://openindex.co.uk/rochford/neighbourhood/e01021932) | 1,537 | 33.3 per 1,000 | 7 | 99.9% |
| [Rochford 007C](https://openindex.co.uk/rochford/neighbourhood/e01021952) | 1,474 | 34.6 per 1,000 | 8 | 99.6% |
| [Rochford 007D](https://openindex.co.uk/rochford/neighbourhood/e01021954) | 2,841 | 92.8 per 1,000 | 6 | 94.5% |
| [Rochford 007E](https://openindex.co.uk/rochford/neighbourhood/e01021956) | 1,482 | 162.6 per 1,000 | 4 | 91.4% |

## Your MP

- [Southend East and Rochford](https://openindex.co.uk/constituency/southend-east-and-rochford): Mr Bayo Alaba (Independent), MP since July 2024. 70% of the people here.
- [Rayleigh and Wickford](https://openindex.co.uk/constituency/rayleigh-and-wickford): Mr Mark Francois (Conservative), MP since July 2024. 30% of the people here.

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

## Middle areas in SS4

[Ashingdon](https://openindex.co.uk/rochford/ashingdon), [Rochford Outer & Hawkwell East](https://openindex.co.uk/rochford/rochford-outer-and-hawkwell-east), [Rochford Town & Canewdon](https://openindex.co.uk/rochford/rochford-town-and-canewdon)

## Postcode sectors in SS4

[SS4 1 (316 postcodes)](https://openindex.co.uk/postcode/ss4-1), [SS4 2 (66 postcodes)](https://openindex.co.uk/postcode/ss4-2), [SS4 3 (188 postcodes)](https://openindex.co.uk/postcode/ss4-3), [SS4 9 (21 postcodes)](https://openindex.co.uk/postcode/ss4-9)

## Council

[Rochford](https://openindex.co.uk/rochford)

## Towns in SS4

[Rochford](https://openindex.co.uk/town/rochford)

## Postcode districts next to SS4

[SS2](https://openindex.co.uk/postcode/ss2), [SS3](https://openindex.co.uk/postcode/ss3), [SS5](https://openindex.co.uk/postcode/ss5), [SS9](https://openindex.co.uk/postcode/ss9)

## Nearest rail stations

[Rochford (3.3 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.7023,51.5817), [Southend Airport (4.5 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.7050,51.5687), [Hockley (4.8 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.6590,51.6036), [Althorne (Essex) (4.9 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.7525,51.6479)

## More in the SS postcode area

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

## SS4 in brief

SS4 is a postcode district covering Rochford and Ashingdon, in Rochford.
About 23,061 people lived in SS4 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £370,000 in 2025 across 395 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 65.1 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in SS4 was £370,000 in 2025.
SS4 had 21,938 usual residents at the census.
About 0% of people in SS4 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In SS4, 96.8% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: SS4
- Postcode area: [SS](https://openindex.co.uk/postcode/ss)
- Constituency: [Southend East and Rochford †](https://openindex.co.uk/constituency/southend-east-and-rochford)
- Council: [Rochford †](https://openindex.co.uk/rochford)
- Area: 66.91 km²
- People, mid-2024: 23,061*
- Neighbourhoods: 14
- Output areas: 72

* 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

[SS5](https://openindex.co.uk/postcode/ss5), [SS2](https://openindex.co.uk/postcode/ss2), [SS9](https://openindex.co.uk/postcode/ss9), [SS3](https://openindex.co.uk/postcode/ss3)

## Latest updates for SS4

- 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/SS4

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/ss4, or to one figure with its anchor, https://openindex.co.uk/postcode/ss4#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/ss4