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IP1 4JJ

Castle Hill · Ipswich · England

Updated September 2026

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Location overview

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Post town
Ipswich
Ward
Castle Hill
Local authority
Ipswich
Constituency
Central Suffolk and North Ipswich
Postcode district
IP1
Postcode sector
IP1 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
IP1 4HE 60 m
IP1 4LE 75 m
IP1 4JQ 143 m
IP1 4JR 162 m
IP1 4JP 165 m
Complete postcode fields and official codes
Postcode
IP1 4JJ
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
IP
Postcode district
IP1
Postcode sector
IP1 4
Latitude
52.074595
Longitude
1.140626
British National Grid easting
615,322
British National Grid northing
246,456

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Ipswich · E07000202
Electoral ward
Castle Hill · E05007120
Parish or community
E43000134
Westminster constituency
Central Suffolk and North Ipswich · E14001156
Output area
E00152777
Lower layer super output area
Ipswich 002E · E01029977
Middle layer super output area
Ipswich 002 · E02006246

Postcode source versions

Explore IP1

Property

View all property records
4 recorded sales at this postcode
Address Date Price
24, Knightsdale Road, Ipswich, IP1 4JJ 13 May 2022 £622,500
39, Knightsdale Road, Ipswich, IP1 4JJ 14 April 2022 £1,100,000
31, Knightsdale Road, Ipswich, IP1 4JJ 29 July 2016 £325,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
56
Primary
32
Secondary
8

  1. Dale Hall Community Primary School

    Academy converter

    426 m

  2. Highfield Nursery School

    Local authority nursery school

    569 m

  3. Castle Hill Infant School

    Academy sponsor led

    728 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,841
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,096
  • Shoplifting 612
  • Criminal damage and arson 214
  • Anti social behaviour 182
  • Other theft 154

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
IP1 4 residents
8,381

Age bands in IP1 4

Wider postcode sector
Age 0 to 14
18.4%

1,456 residents

Age 15 to 24
10.5%

830 residents

Age 25 to 44
28.9%

2,293 residents

Age 45 to 64
26.2%

2,074 residents

Age 65 and over
16.1%

1,272 residents

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

11

within 5 km

  • CARDINAL MEDICAL PRACTICE

    2 DEBEN ROAD, IPSWICH, IP1 5EN

    ODS code D83050

    722 m

  • IVRY STREET MEDICAL PRACTICE

    5 IVRY STREET, IPSWICH, IP1 3QW

    ODS code D83024

    1.3 km

  • BARRACK LANE MEDICAL CENTRE

    1 BARRACK LANE, IPSWICH, IP1 3NQ

    ODS code D83059

    1.6 km

  • BURLINGTON PRIMARY CARE

    12-14 BURLINGTON ROAD, IPSWICH, IP1 2EU

    ODS code D83008

    1.7 km

  • DR SOLWAY AND DR ROY PRACTICE

    ORCHARD STREET HEALTH CTR, ORCHARD STREET, IPSWICH, IP4 2PZ

    ODS code D83073

    2.4 km

  • ORCHARD MEDICAL PRACTICE

    ORCHARD STREET, IPSWICH, IP4 2PZ

    ODS code D83074

    2.4 km

  • ESSEX UNIVERSITY PARTNERSHIP NHS TRUST

    70-74 ST. HELENS STREET, IPSWICH, IP4 2LA

    ODS code Y06499

    2.6 km

  • HAWTHORN DRIVE SURGERY

    206 HAWTHORN DRIVE, IPSWICH, IP2 0QQ

    ODS code D83056

    3.4 km

  • THE DERBY ROAD PRACTICE

    52 DERBY ROAD, IPSWICH, IP3 8DN

    ODS code D83051

    4.0 km

  • TWO RIVERS MEDICAL CENTRE

    30 WOODBRIDGE ROAD EAST, IPSWICH, IP4 5PB

    ODS code D83046

    4.1 km

  • FELIXSTOWE ROAD MEDICAL PRACTICE

    235 FELIXSTOWE ROAD, IPSWICH, IP3 9BN

    ODS code D83004

    4.3 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Knightsdale Road

    BCT · Broom Hill

    0.1 miles

  • Wharfedale Road

    BCT · Broom Hill

    0.1 miles

  • Wharfedale Road

    BCT · Broom Hill

    0.1 miles

  • Knightsdale Road

    BCT · Broom Hill

    0.1 miles

  • Pinecroft Road

    BCT · Castle Hill

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Ipswich 002E, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.

Overall IMD decile

9 of 10

Overall England rank

29,266 of 33,755

Income
9 of 10
Employment
8 of 10
Education and skills
6 of 10
Health and disability
7 of 10
Crime
9 of 10
Housing and services
9 of 10
Living environment
7 of 10

These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.

Flood risk

Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.

High risk addresses
1
Medium risk addresses
0
Low risk addresses
0
Groundwater flood alert area
Unlikely

Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.

Evidence in context

Property market

The five-year median is £861,250 from 2 recorded sales in IP1 4JJ. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Ipswich is £219,070 in June 2026, down 1.1% year on year.

Schools

56 open schools are in scope, including 32 primary and 8 secondary schools. Dale Hall Community Primary School is the nearest published school at 426 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

2,841 published events cover 12 months, averaging 236.75 events per published month. The largest recorded category is Violence and sexual offences with 1,096 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.