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NN1 4AX

Castle · West Northamptonshire · England

Updated September 2026

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Location overview

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Ward
Castle
Local authority
West Northamptonshire
Constituency
Northampton North
Postcode district
NN1
Postcode sector
NN1 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
NN1 4AW 60 m
NN1 4DJ 60 m
NN1 4AU 70 m
NN1 3LG 88 m
NN1 4DQ 89 m
Complete postcode fields and official codes
Postcode
NN1 4AX
Status
Terminated
Introduced
1 May 1994
Terminated
1 January 1995
Postcode area
NN
Postcode district
NN1
Postcode sector
NN1 4
Latitude
52.241937
Longitude
-0.885425
British National Grid easting
476,200
British National Grid northing
261,000

Statistical and administrative geographies

Country
England · E92000001
Region
East Midlands · E12000004
Local authority district
West Northamptonshire · E06000062
Electoral ward
Castle · E05015983
Parish or community
E04013033
Westminster constituency
Northampton North · E14001406
Output area
E00138497
Lower layer super output area
West Northamptonshire 034B · E01027226
Middle layer super output area
West Northamptonshire 034 · E02005674

Postcode source versions

Explore NN1

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
92
Primary
55
Secondary
8

  1. Progress Schools - Northamptonshire

    Other independent special school

    496 m

  2. Vernon Terrace Primary School

    Community school

    522 m

  3. The CE Academy

    Academy alternative provision converter

    545 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
10,603
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 3,527
  • Anti social behaviour 1,394
  • Shoplifting 1,310
  • Public order 724
  • Other theft 696

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
NN1 4 residents
11,375

Age bands in NN1 4

Wider postcode sector
Age 0 to 14
15.8%

1,947 residents

Age 15 to 24
14.9%

1,842 residents

Age 25 to 44
35.8%

4,422 residents

Age 45 to 64
24%

2,957 residents

Age 65 and over
9.5%

1,174 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.

GP practices

22

within 5 km straight-line

  • MAPLE ACCESS PARTNERSHIP LLP

    MAPLE HOUSE, 17-19 HAZELWOOD ROAD, NORTHAMPTON, NN1 1LG

    ODS code K83621

    674 m

  • THE MOUNTS MEDICAL CENTRE

    CAMPBELL STREET, NORTHAMPTON, NN1 3DS

    ODS code K83025

    809 m

  • LEICESTER TCE HEALTHCARE CTR

    7-8 LEICESTER TERRACE, NORTHAMPTON, NN2 6AL

    ODS code K83014

    966 m

  • LANGHAM PLACE SURGERY

    11 LANGHAM PLACE, NORTHAMPTON, NN2 6AA

    ODS code K83027

    1.0 km

  • COUNTY SURGERY

    202-204 ABINGTON AVENUE, NORTHAMPTON, NN1 4QA

    ODS code K83056

    1.1 km

  • THE CRESCENT MEDICAL CTR.

    2 THE CRESCENT, NORTHAMPTON, NN1 4SB

    ODS code K83050

    1.1 km

  • ABINGTON PARK SURGERY

    CHRISTCHURCH MEDICAL CENTRE, ARDINGTON ROAD, NORTHAMPTON, NN1 5LT

    ODS code K83029

    1.2 km

  • KING EDWARD ROAD SURGERY

    CHRISTCHURCH MEDICAL CENTRE, KING EDWARD ROAD, NORTHAMPTON, NN1 5LY

    ODS code K83012

    1.3 km

  • QUEENSVIEW MEDICAL CENTRE

    THORNTON ROAD, NORTHAMPTON, NN2 6LS

    ODS code K83003

    1.8 km

  • GREENVIEW SURGERY

    129 HAZELDENE ROAD, NORTHAMPTON, NN2 7PB

    ODS code K83077

    1.8 km

  • ABINGTON MEDICAL CENTRE

    51A BEECH AVENUE, NORTHAMPTON, NN3 2JG

    ODS code K83043

    1.8 km

  • KINGSTHORPE MEDICAL CTR.

    EASTERN AVENUE SOUTH, KINGSLEY, NORTHAMPTON, NN2 7JN

    ODS code K83035

    1.9 km

  • PARK AVE MED CNT & KINGS HEATH PRACTICE

    166-168 PARK AVENUE NORTH, NORTHAMPTON, NN3 2HZ

    ODS code K83042

    2.0 km

  • ELEANOR CROSS HEALTHCARE

    DELAPRE MEDICAL CENTRE, GLOUCESTER AVENUE, NORTHAMPTON, NN4 8QF

    ODS code K83010

    2.8 km

  • PENVALE PARK MEDICAL CENTRE

    HARDWICK ROAD, EAST HUNSBURY, NORTHAMPTON, NN4 0GP

    ODS code Y08368

    3.5 km

  • THE PINES SURGERY

    HARBOROUGH ROAD NORTH, NORTHAMPTON, NN2 8LL

    ODS code K83008

    3.6 km

  • ST LUKES PRIMARY CARE CENTRE

    TIMKEN WAY SOUTH, DUSTON, NORTHAMPTON, NN5 6FR

    ODS code K83041

    3.8 km

  • WOODVIEW MEDICAL CENTRE

    HOLMECROSS ROAD, THORPLANDS, NORTHAMPTON, NN3 8AW

    ODS code K83040

    4.2 km

  • DR ABBAS

    WESTON FAVELL P/C CENTRE, BILLING BROOK ROAD, NORTHAMPTON, NN3 8DW

    ODS code K83618

    4.2 km

  • MAYFIELD SURGERY

    BILLING BROOK ROAD, NORTHAMPTON, NN3 8DW

    ODS code K83076

    4.2 km

Showing 20 of 22 matching practices.

Nearby transport

  • Grove Road

    BCT · Kingsley Park

    0.0 miles

  • Grove Road

    BCT · Kingsley Park

    0.0 miles

  • Clare Street

    BCT · Kingsley Park

    0.1 miles

  • Abington Square

    BCT · Northampton

    0.1 miles

  • Abington Square

    BCT · Northampton

    0.1 miles

Relative deprivation

English Indices of Deprivation 2025 for West Northamptonshire 034B, 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

2 of 10

Overall England rank

5,882 of 33,755

Income
3 of 10
Employment
4 of 10
Education and skills
2 of 10
Health and disability
2 of 10
Crime
1 of 10
Housing and services
6 of 10
Living environment
1 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.

Evidence in context

Schools

92 open schools are in scope, including 55 primary and 8 secondary schools. Progress Schools - Northamptonshire is the nearest published school at 496 m.

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

Recorded crime

10,603 published events cover 12 months, averaging 883.583 events per published month. The largest recorded category is Violence and sexual offences with 3,527 events.

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