CO12 3JL

Harwich & Kingsway · Tendring · England

Updated September 2026

Compare this postcode

Location overview

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Local authority
Tendring
Postcode district
CO12
Postcode sector
CO12 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
CO12 3JD 54 m
CO12 3JG 89 m
CO12 3JQ 90 m
CO12 3JA 119 m
CO12 3JF 137 m
Complete postcode fields and official codes
Postcode
CO12 3JL
Status
Terminated
Introduced
1 January 1980
Terminated
1 June 1996
Postcode area
CO
Postcode district
CO12
Postcode sector
CO12 3
Latitude
51.940710
Longitude
1.282283
British National Grid easting
625,700
British National Grid northing
232,000

Statistical and administrative geographies

Country
England · E92000001
Region
East of England · E12000006
Local authority district
Tendring · E07000076
Parish or community
E04004099
Westminster constituency
Harwich and North Essex · E14001273
Output area
E00111736
Lower layer super output area
Tendring 001B · E01021998
Middle layer super output area
Tendring 001 · E02004573

Postcode source versions

Explore CO12

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
13
Primary
11
Secondary
2
  1. Harwich Community Primary School and Nursery

    Community school

    442 m
  2. The Mayflower Primary School

    Community school

    896 m
  3. St Joseph's Catholic Primary School

    Academy converter

    1.5 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,197
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 580
  • Shoplifting 133
  • Criminal damage and arson 123
  • Anti social behaviour 99
  • Other theft 74

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
CO12 3 residents
7,635

Age bands in CO12 3

Wider postcode sector
Age 0 to 14
15.9%

1,191 residents

Age 15 to 24
11.3%

842 residents

Age 25 to 44
21.2%

1,581 residents

Age 45 to 64
27.3%

2,038 residents

Age 65 and over
24.4%

1,821 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

3

within 5 km straight-line

  • FRONKS RD FAMILY SURGERY

    77 FRONKS ROAD, DOVERCOURT, HARWICH, CO12 3RS

    ODS code F81221

    1.1 km

  • MAYFLOWER MEDICAL CENTRE

    419 MAIN ROAD, HARWICH, CO12 4EX

    ODS code F81019

    1.7 km

  • HAVEN HEALTH

    GRANGE FARM AVENUE, FELIXSTOWE, IP11 2XD

    ODS code D83081

    4.1 km

Nearby transport

  • Dovercourt Rail Station

    RLY · Dovercourt

    0.2 miles
  • Dovercourt Rail Station

    RSE · Dovercourt

    0.2 miles
  • Barrack Lane

    BCT · Harwich

    0.2 miles
  • Barrack Lane

    BCT · Harwich

    0.2 miles
  • Station Rd

    BCT · Dovercourt

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Tendring 001B, 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

1 of 10

Overall England rank

2,966 of 33,755

Income
2 of 10
Employment
2 of 10
Education and skills
1 of 10
Health and disability
3 of 10
Crime
2 of 10
Housing and services
1 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

13 open schools are in scope, including 11 primary and 2 secondary schools. Harwich Community Primary School and Nursery is the nearest published school at 442 m.

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

Recorded crime

1,197 published events cover 12 months, averaging 99.75 events per published month. The largest recorded category is Violence and sexual offences with 580 events.

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