CO4 9WN

Highwoods · Colchester · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Colchester
Local authority
Colchester
Constituency
Colchester
Postcode district
CO4
Postcode sector
CO4 9

Nearby postcodes

Nearby postcode distances
Postcode Distance
CO4 9YR 99 m
CO4 9QL 126 m
CO4 9TG 168 m
CO4 9QQ 178 m
CO4 9QJ 198 m
Complete postcode fields and official codes
Postcode
CO4 9WN
Status
Current
Introduced
1 June 2002
Terminated
Not published
Postcode area
CO
Postcode district
CO4
Postcode sector
CO4 9
Latitude
51.921674
Longitude
0.924100
British National Grid easting
601,171
British National Grid northing
228,833

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Colchester · E07000071
Electoral ward
Highwoods · E05010830
Parish or community
E43000228
Westminster constituency
Colchester · E14001176
Output area
E00110069
Lower layer super output area
Colchester 002F · E01033720
Middle layer super output area
Colchester 002 · E02004507

Postcode source versions

Explore CO4

1 recorded sale at this postcode
Address Date Price
Concurrent Technologies, Gilberd Court, Severalls Industrial Park, Colchester, CO4 9WN 28 May 2015 £5,625,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
37
Primary
24
Secondary
5
  1. Brinkley Grove Primary School

    Foundation school

    734 m
  2. The Trinity School

    Free schools

    801 m
  3. The Gilberd School

    Academy converter

    808 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
929
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 431
  • Criminal damage and arson 84
  • Anti social behaviour 77
  • Public order 76
  • Other theft 72

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CO4 9 residents
9,273

Age bands in CO4 9

Wider postcode sector
Age 0 to 14
20.4%

2,001 residents

Age 15 to 24
11.1%

1,092 residents

Age 25 to 44
31.3%

3,073 residents

Age 45 to 64
25.8%

2,540 residents

Age 65 and over
11.4%

1,120 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

9

within 5 km

  • BLUEBELL SURGERY

    BLUEBELL RESOURCE CENTRE, JACK ANDREWS DRIVE, HIGHWOODS, COLCHESTER, CO4 9YN

    ODS code F81746

    596 m

  • HIGHWOODS SURGERY

    HIGHWOODS SQUARE, HIGHWOODS, COLCHESTER, CO4 9SR

    ODS code F81679

    1.2 km

  • MILL ROAD SURGERY

    47 MILL ROAD, MILE END, COLCHESTER, CO4 5LE

    ODS code F81636

    2.2 km

  • TURNER ROAD SURGERY

    THE PRIMARY CARE CENTRE, TURNER ROAD, COLCHESTER, CO4 5JR

    ODS code Y02646

    2.2 km

  • COLCHESTER MEDICAL PRACTICE

    78 EAST HILL, COLCHESTER, CO1 2QS

    ODS code F81042

    3.7 km

  • EAST HILL SURGERY

    78 EAST HILL, COLCHESTER, CO1 2RW

    ODS code F81091

    3.7 km

  • THE ARDLEIGH SURGERY

    DOCTORS SURGERY, DEDHAM ROAD, ARDLEIGH, COLCHESTER, CO7 7LD

    ODS code F81044

    4.2 km

  • BEACON HOUSE MINISTRIES

    24 CROUCH STREET, COLCHESTER, CO3 3ES

    ODS code Y01297

    4.3 km

  • CREFFIELD MEDICAL GROUP

    CREFFIELD MEDICAL CENTRE, 15 CAVALRY ROAD, COLCHESTER, CO2 7GH

    ODS code F81115

    4.9 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 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Nat West

    BCT · Severalls Park

    0.1 miles
  • Nat West

    BCT · Severalls Park

    0.1 miles
  • Business Centre

    BCT · Severalls Park

    0.1 miles
  • Office Village

    BCT · Severalls Park

    0.2 miles
  • Office Village

    BCT · Severalls Park

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Colchester 002F, 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

7 of 10

Overall England rank

21,496 of 33,755

Income
5 of 10
Employment
6 of 10
Education and skills
7 of 10
Health and disability
5 of 10
Crime
9 of 10
Housing and services
5 of 10
Living environment
8 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
0
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

Schools

37 open schools are in scope, including 24 primary and 5 secondary schools. Brinkley Grove Primary School is the nearest published school at 734 m.

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

Recorded crime

929 published events cover 12 months, averaging 77.417 events per published month. The largest recorded category is Violence and sexual offences with 431 events.

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