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CO4 3SQ

Wivenhoe · Colchester · England

Updated September 2026

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Location overview

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Ward
Wivenhoe
Local authority
Colchester
Constituency
Harwich and North Essex
Postcode district
CO4
Postcode sector
CO4 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
CO4 3ZQ 355 m
CO4 3SG 426 m
CO4 3FA 465 m
CO7 9HU 483 m
CO4 3ZS 504 m
Complete postcode fields and official codes
Postcode
CO4 3SQ
Status
Current
Introduced
1 May 1994
Terminated
Not published
Postcode area
CO
Postcode district
CO4
Postcode sector
CO4 3
Latitude
51.876810
Longitude
0.946585
British National Grid easting
602,919
British National Grid northing
223,907

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Colchester · E07000071
Electoral ward
Wivenhoe · E05010843
Parish or community
E43000228
Westminster constituency
Harwich and North Essex · E14001273
Output area
E00188018
Lower layer super output area
Colchester 017A · E01021736
Middle layer super output area
Colchester 017 · E02004522

Postcode source versions

Explore CO4

Use the wider postcode district to compare the same evidence across more locations.

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
47
Primary
32
Secondary
8

  1. University of Essex

    Higher education institutions

    171 m

  2. Broomgrove Infant School

    Community school

    1.2 km

  3. Broomgrove Junior School

    Community school

    1.2 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,851
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 817
  • Criminal damage and arson 145
  • Other theft 138
  • Anti social behaviour 133
  • Vehicle crime 125

Census 2021

Population and age profile

Postcode residents
918

416 female, 502 male

Postcode households
Not supplied
Residents per household
Not available
CO4 3 residents
16,753

Age bands in CO4 3

Wider postcode sector
Age 0 to 14
14.8%

2,466 residents

Age 15 to 24
27.5%

4,587 residents

Age 25 to 44
21.7%

3,618 residents

Age 45 to 64
20.5%

3,419 residents

Age 65 and over
15.4%

2,566 residents

This postcode contained 5.5% of the sector's usual residents on Census Day. The age profile describes the wider CO4 3 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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+
0.5%
Ultrafast, 100 Mbit/s+
0.5%
Ultrafast, 300 Mbit/s+
0.5%
Gigabit-capable
0.5%
Unable to receive decent fixed or FWA broadband
7.6%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

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

NHS ODS

GP practices

10

within 5 km

  • ROWHEDGE SURGERY

    7 RECTORY ROAD, ROWHEDGE, COLCHESTER, CO5 7HP

    ODS code F81141

    2.1 km

  • WIVENHOE SURGERY

    WIVENHOE MEDICAL CENTRE, PHILLIP ROAD, WIVENHOE, COLCHESTER, CO7 9BA

    ODS code F81028

    2.5 km

  • COLCHESTER MEDICAL PRACTICE

    78 EAST HILL, COLCHESTER, CO1 2QS

    ODS code F81042

    3.0 km

  • EAST HILL SURGERY

    78 EAST HILL, COLCHESTER, CO1 2RW

    ODS code F81091

    3.0 km

  • ABBEY FIELD MEDICAL CENTRE

    YPRES ROAD, COLCHESTER, CO2 7UW

    ODS code F81095

    3.3 km

  • BEACON HOUSE MINISTRIES

    24 CROUCH STREET, COLCHESTER, CO3 3ES

    ODS code Y01297

    3.7 km

  • CREFFIELD MEDICAL GROUP

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

    ODS code F81115

    3.8 km

  • HIGHWOODS SURGERY

    HIGHWOODS SQUARE, HIGHWOODS, COLCHESTER, CO4 9SR

    ODS code F81679

    4.3 km

  • TURNER ROAD SURGERY

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

    ODS code Y02646

    4.5 km

  • BLUEBELL SURGERY

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

    ODS code F81746

    4.7 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

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

Nearby transport

  • Valley Road

    BCT · University of Essex

    0.2 miles

  • Valley Road

    BCT · University of Essex

    0.2 miles

  • Subway

    BCT · University of Essex

    0.2 miles

  • South Courts

    BCT · University of Essex

    0.2 miles

  • South Courts

    BCT · University of Essex

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Colchester 017A, 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

29,435 of 33,755

Income
10 of 10
Employment
10 of 10
Education and skills
7 of 10
Health and disability
8 of 10
Crime
8 of 10
Housing and services
3 of 10
Living environment
9 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
1
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

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Schools

Published establishments

47 open schools are in scope, including 32 primary and 8 secondary schools. University of Essex is the nearest published school at 171 m.

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

Recorded crime

Published police records

1,851 published events cover 12 months, averaging 154.25 events per published month. The largest recorded category is Violence and sexual offences with 817 events.

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