IP4
Postcode districtPostcode district covering Ipswich and California, in Ipswich.
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 IP4 postcode. How census figures are added up
Radon Affected Area by postcode district
Worked out by Open Index · 2022
About 83% of people in IP4 live in a 1 km square that the radon atlas marks as a radon Affected Area.
How IP4 compares
Each dot is a postcode district. The black line marks the middle one.
Is IP4 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in IP4 at a rate of 70.0 per 1,000 people.
That compares with 59.5 per 1,000 people across the IP postcode area.
In August 2026 alone, 208 cases of crime and anti-social behaviour were recorded in IP4.
In the 12 months to August 2026, the most common types were violence and sexual offences (1,215), other crime (528) and criminal damage and arson (262).
A year earlier, the recorded crime rate in IP4 was 70.9 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 IP4, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so IP4 has no single figure. Of its 24 neighbourhoods with a rank:
- Decile 1 (England’s most deprived 10%): 1 neighbourhood
- Decile 3: 4 neighbourhoods
- Decile 4: 1 neighbourhood
- Decile 5: 4 neighbourhoods
- Decile 6: 1 neighbourhood
- Decile 7: 2 neighbourhoods
- Decile 8: 2 neighbourhoods
- Decile 9: 5 neighbourhoods
- Decile 10 (England’s least deprived 10%): 4 neighbourhoods
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in IP4
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| East Suffolk 026C | 1,900 | 19.5 per 1,000 | 10 | 99.9% |
| East Suffolk 026D | 1,291 | 7.8 per 1,000 | 10 | 100.0% |
| East Suffolk 026E | 1,476 | 8.7 per 1,000 | 10 | 82.6% |
| Ipswich 004A | 1,567 | 18.3 per 1,000 | 9 | 89.1% |
| Ipswich 004B | 1,879 | 71.1 per 1,000 | 3 | 100.0% |
| Ipswich 004C | 1,622 | 41.0 per 1,000 | 9 | 100.0% |
| Ipswich 004D | 1,627 | 38.6 per 1,000 | 8 | 99.9% |
| Ipswich 004E | 1,786 | 57.7 per 1,000 | 4 | 98.5% |
| Ipswich 005A | 2,094 | 32.8 per 1,000 | 7 | 99.6% |
| Ipswich 005D | 1,972 | 100.3 per 1,000 | 3 | 99.5% |
| Ipswich 005E | 1,565 | 9.9 per 1,000 | 10 | 99.6% |
| Ipswich 007A | 1,392 | 32.8 per 1,000 | 5 | 99.8% |
| Ipswich 007C | 2,021 | 76.3 per 1,000 | 5 | 99.4% |
| Ipswich 007D | 1,523 | 53.7 per 1,000 | 5 | 97.7% |
| Ipswich 007E | 1,628 | 58.2 per 1,000 | 3 | 100.0% |
| Ipswich 007F | 1,051 | 239.5 per 1,000 | 3 | 97.2% |
| Ipswich 007H | 1,672 | 326.7 per 1,000 | 1 | 78.5% |
| Ipswich 008A | 1,980 | 73.6 per 1,000 | 5 | 95.2% |
| Ipswich 008B | 1,770 | 29.2 per 1,000 | 8 | 99.7% |
| Ipswich 008C | 1,258 | 95.3 per 1,000 | 9 | 100.0% |
| Ipswich 008E | 1,760 | 70.6 per 1,000 | 6 | 100.0% |
| Ipswich 009A | 1,619 | 38.7 per 1,000 | 9 | 98.7% |
| Ipswich 009B | 1,392 | 30.2 per 1,000 | 7 | 99.1% |
| Ipswich 009C | 1,465 | 113.2 per 1,000 | 9 | 100.0% |
MPs for IP4
- Jack AbbottLabour (Co-op)MP for Ipswich91% of IP4’s postcodes
- Patrick SpencerConservativeMP for Central Suffolk and North Ipswich8.6% of IP4’s postcodes
- Jenny Riddell-CarpenterLabourMP for Suffolk Coastal0.2% of IP4’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 IP46
Postcode sectors in IP45
Council1
Towns in IP41
Postcode districts next to IP45
Nearest rail stations3
More in the IP postcode area2
IP4 in brief
IP4 is a postcode district covering Ipswich and California, in Ipswich.
About 38,591 people lived in IP4 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £275,000 in 2025 across 463 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 70.0 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in IP4 was £275,000 in 2025.
IP4 had 38,380 usual residents at the census.
About 83% of people in IP4 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In IP4, 95.3% of homes and businesses could get gigabit-capable broadband in January 2026.