IP31
Postcode districtPostcode district covering Thurston, in West Suffolk and Mid Suffolk.
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
Radon Affected Area by postcode district
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.
How IP31 compares
Each dot is a postcode district. The black line marks the middle one.
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
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in IP31
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Mid Suffolk 002F | 1,759 | 34.1 per 1,000 | 6 | 49.4% |
| Mid Suffolk 004A | 1,269 | 31.4 per 1,000 | 6 | 56.5% |
| Mid Suffolk 004B | 1,874 | 28.4 per 1,000 | 7 | 48.3% |
| Mid Suffolk 004D | 1,723 | 58.8 per 1,000 | 8 | 79.1% |
| Mid Suffolk 004E | 1,613 | 66.6 per 1,000 | 8 | 86.7% |
| West Suffolk 005A | 1,226 | 22.1 per 1,000 | 6 | 55.5% |
| West Suffolk 005D | 1,429 | 23.3 per 1,000 | 7 | 73.2% |
| West Suffolk 005E | 1,487 | 36.1 per 1,000 | 5 | 31.6% |
| West Suffolk 006B | 2,297 | 38.5 per 1,000 | 7 | 83.0% |
| West Suffolk 006C | 1,516 | 10.8 per 1,000 | 7 | 24.7% |
| West Suffolk 006D | 1,368 | 22.6 per 1,000 | 5 | 58.4% |
| West Suffolk 016A | 2,572 | 21.6 per 1,000 | 9 | 72.8% |
MPs for IP31
- Dr Peter PrinsleyLabourMP for Bury St Edmunds and Stowmarket83% of IP31’s postcodes
- Adrian RamsayGreen PartyMP for Waveney Valley14% of IP31’s postcodes
- Nick TimothyConservativeMP for West Suffolk2.8% of IP31’s postcodes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in IP313
Postcode sectors in IP313
Councils IP31 covers2
Postcode districts next to IP317
Nearest rail stations1
More in the IP postcode area2
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.