# IP31

Postcode district covering Thurston, in West Suffolk and Mid Suffolk.

IP31 is a postcode district covering Thurston, in West Suffolk and Mid Suffolk. Median sale price £360,000 in 2025. Recorded crime 34.6 per 1,000 people.

Postcode district. Code IP31. In: [Postcodes](https://openindex.co.uk/postcode) › [IP](https://openindex.co.uk/postcode/ip)

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 IP31 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £360,000** (2025). The median price paid for a home in IP31 was £360,000 in 2025. Joint 746th 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/ip31#f-house-sales-median-price
- **Population: 21,892** (2021). IP31 had 21,892 usual residents at the census (ONS Census 2021). 1,345th 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/ip31#f-population
- **People in radon Affected Area squares: 7%** (2022). About 7% of people in IP31 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/ip31#f-radon-affected-share
- **Gigabit broadband coverage: 62.5%** (January 2026). In IP31, 62.5% 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/ip31#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=IP31) (Worked out by Open Index · 2022): About 7% of people in IP31 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=IP31) (Worked out by Open Index · 2025): 334 homes were sold in IP31 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=IP31) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for IP31.
- [Population by postcode district](https://openindex.co.uk/map/population?place=IP31) (Census 2021, England and Wales): IP31 had 21,892 usual residents at the census.

## How IP31 compares

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

| Measure | IP31 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £360,000 | 9th most expensive | 33 postcode districts, IP · 2025 |
| Population | 21,892 | 12th most populated | 33 postcode districts, IP · 2021 |
| People in radon Affected Area squares | 7% | joint 13th fewest people in radon Affected Areas | 33 postcode districts, IP · 2022 |
| Gigabit broadband coverage | 62.5% | 9th lowest | 33 postcode districts, IP · Jan 2026 |

## Is IP31 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in IP31 at a rate of 34.6 per 1,000 people.
That compares with 59.5 per 1,000 people across the IP postcode area.
In August 2026 alone, 78 cases of crime and anti-social behaviour were recorded in IP31.
In the 12 months to August 2026, the most common types were violence and sexual offences (409), other crime (152) and anti-social behaviour (73).
A year earlier, the recorded crime rate in IP31 was 31.6 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 IP31, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so IP31 has no single figure. Of its 12 neighbourhoods with a rank:
- Decile 5: 2 neighbourhoods
- Decile 6: 3 neighbourhoods
- Decile 7: 4 neighbourhoods
- Decile 8: 2 neighbourhoods
- Decile 9: 1 neighbourhood

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

## Neighbourhoods in IP31

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Mid Suffolk 002F](https://openindex.co.uk/mid-suffolk/neighbourhood/e01030068) | 1,759 | 34.1 per 1,000 | 6 | 49.4% |
| [Mid Suffolk 004A](https://openindex.co.uk/mid-suffolk/neighbourhood/e01030040) | 1,269 | 31.4 per 1,000 | 6 | 56.5% |
| [Mid Suffolk 004B](https://openindex.co.uk/mid-suffolk/neighbourhood/e01030049) | 1,874 | 28.4 per 1,000 | 7 | 48.3% |
| [Mid Suffolk 004D](https://openindex.co.uk/mid-suffolk/neighbourhood/e01030084) | 1,723 | 58.8 per 1,000 | 8 | 79.1% |
| [Mid Suffolk 004E](https://openindex.co.uk/mid-suffolk/neighbourhood/e01030085) | 1,613 | 66.6 per 1,000 | 8 | 86.7% |
| [West Suffolk 005A](https://openindex.co.uk/west-suffolk/neighbourhood/e01030095) | 1,226 | 22.1 per 1,000 | 6 | 55.5% |
| [West Suffolk 005D](https://openindex.co.uk/west-suffolk/neighbourhood/e01030145) | 1,429 | 23.3 per 1,000 | 7 | 73.2% |
| [West Suffolk 005E](https://openindex.co.uk/west-suffolk/neighbourhood/e01030146) | 1,487 | 36.1 per 1,000 | 5 | 31.6% |
| [West Suffolk 006B](https://openindex.co.uk/west-suffolk/neighbourhood/e01030121) | 2,297 | 38.5 per 1,000 | 7 | 83.0% |
| [West Suffolk 006C](https://openindex.co.uk/west-suffolk/neighbourhood/e01030132) | 1,516 | 10.8 per 1,000 | 7 | 24.7% |
| [West Suffolk 006D](https://openindex.co.uk/west-suffolk/neighbourhood/e01030133) | 1,368 | 22.6 per 1,000 | 5 | 58.4% |
| [West Suffolk 016A](https://openindex.co.uk/west-suffolk/neighbourhood/e01030104) | 2,572 | 21.6 per 1,000 | 9 | 72.8% |

## Your MP

- [Bury St Edmunds and Stowmarket](https://openindex.co.uk/constituency/bury-st-edmunds-and-stowmarket): Dr Peter Prinsley (Labour), MP since July 2024. 83% of the people here.
- [Waveney Valley](https://openindex.co.uk/constituency/waveney-valley): Adrian Ramsay (Green Party), MP since July 2024. 14% of the people here.
- [West Suffolk](https://openindex.co.uk/constituency/west-suffolk): Nick Timothy (Conservative), MP since July 2024. 2.8% 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 IP31

[Ixworth, Honington & Barnham](https://openindex.co.uk/west-suffolk/ixworth-honington-and-barnham), [Stanton & Barningham](https://openindex.co.uk/west-suffolk/stanton-and-barningham), [Thurston, Badwell Ash & Elmswell North](https://openindex.co.uk/mid-suffolk/thurston-badwell-ash-and-elmswell-north)

## Postcode sectors in IP31

[IP31 1 (195 postcodes)](https://openindex.co.uk/postcode/ip31-1), [IP31 2 (276 postcodes)](https://openindex.co.uk/postcode/ip31-2), [IP31 3 (322 postcodes)](https://openindex.co.uk/postcode/ip31-3)

## Councils IP31 covers

[West Suffolk](https://openindex.co.uk/west-suffolk), [Mid Suffolk](https://openindex.co.uk/mid-suffolk)

## Postcode districts next to IP31

[IP14](https://openindex.co.uk/postcode/ip14), [IP22](https://openindex.co.uk/postcode/ip22), [IP23](https://openindex.co.uk/postcode/ip23), [IP24](https://openindex.co.uk/postcode/ip24), [IP28](https://openindex.co.uk/postcode/ip28), [IP30](https://openindex.co.uk/postcode/ip30), [IP32](https://openindex.co.uk/postcode/ip32)

## Nearest rail stations

[Thurston (5.7 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.8086,52.2500)

## More in the IP postcode area

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

## IP31 in brief

IP31 is a postcode district covering Thurston, in West Suffolk and Mid Suffolk.
About 23,413 people lived in IP31 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £360,000 in 2025 across 334 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 34.6 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in IP31 was £360,000 in 2025.
IP31 had 21,892 usual residents at the census.
About 7% of people in IP31 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In IP31, 62.5% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: IP31
- Postcode area: [IP](https://openindex.co.uk/postcode/ip)
- Constituency: [Bury St Edmunds and Stowmarket †](https://openindex.co.uk/constituency/bury-st-edmunds-and-stowmarket)
- Council: [West Suffolk †](https://openindex.co.uk/west-suffolk)
- Area: 190 km²
- People, mid-2024: 23,413*
- Neighbourhoods: 12
- Output areas: 68

* 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

[IP22](https://openindex.co.uk/postcode/ip22), [IP30](https://openindex.co.uk/postcode/ip30), [IP28](https://openindex.co.uk/postcode/ip28), [IP24](https://openindex.co.uk/postcode/ip24), [IP14](https://openindex.co.uk/postcode/ip14), [IP32](https://openindex.co.uk/postcode/ip32)

## Latest updates for IP31

- 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/IP31

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/ip31, or to one figure with its anchor, https://openindex.co.uk/postcode/ip31#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/ip31