CO12 3DB

Harwich & Kingsway · Tendring · England

Updated September 2026

Compare this postcode

Location overview

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Post town
Harwich
Local authority
Tendring
Postcode district
CO12
Postcode sector
CO12 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
CO12 3DP 31 m
CO12 3DS 42 m
CO12 3NE 52 m
CO12 3ND 59 m
CO12 3NG 70 m
Complete postcode fields and official codes
Postcode
CO12 3DB
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CO
Postcode district
CO12
Postcode sector
CO12 3
Latitude
51.945707
Longitude
1.287582
British National Grid easting
626,039
British National Grid northing
232,572

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
E00111743
Lower layer super output area
Tendring 001A · E01021997
Middle layer super output area
Tendring 001 · E02004573

Postcode source versions

Explore CO12

32 recorded sales at this postcode
Address Date Price
57a, West Street, Harwich, CO12 3DB 22 December 2022 £111,000
65, West Street, Harwich, CO12 3DB 21 October 2021 £165,000
59, West Street, Harwich, CO12 3DB 12 January 2021 £190,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
14
Primary
12
Secondary
2
  1. Harwich Community Primary School and Nursery

    Community school

    740 m
  2. The Mayflower Primary School

    Community school

    1.5 km
  3. St Joseph's Catholic Primary School

    Academy converter

    2.2 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
866
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 418
  • Shoplifting 126
  • Anti social behaviour 70
  • Criminal damage and arson 69
  • Other theft 49

Census 2021

Population and age profile

Postcode residents
54

31 female, 23 male

Postcode households
23
Residents per household
2.3
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

This postcode contained 0.7% of the sector's usual residents on Census Day. The age profile describes the wider CO12 3 sector, not people in this individual postcode.

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+
39.4%
Ultrafast, 300 Mbit/s+
39.4%
Gigabit-capable
39.4%
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

4

within 5 km

  • FRONKS RD FAMILY SURGERY

    77 FRONKS ROAD, DOVERCOURT, HARWICH, CO12 3RS

    ODS code F81221

    1.8 km

  • MAYFLOWER MEDICAL CENTRE

    419 MAIN ROAD, HARWICH, CO12 4EX

    ODS code F81019

    2.3 km

  • HAVEN HEALTH

    GRANGE FARM AVENUE, FELIXSTOWE, IP11 2XD

    ODS code D83081

    3.5 km

  • HOWARD HOUSE SURGERY

    31 ORWELL ROAD, FELIXSTOWE, IP11 7DD

    ODS code D83015

    4.6 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

  • Lighthouse

    BCT · Harwich

    0.1 miles
  • Railway Station

    BCT · Harwich

    0.1 miles
  • Harwich Town Rail Station

    RLY · Harwich

    0.1 miles
  • Lighthouse

    BCT · Harwich

    0.1 miles
  • Harwich Town Rail Station

    RSE · Harwich

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Tendring 001A, 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

759 of 33,755

Income
1 of 10
Employment
1 of 10
Education and skills
1 of 10
Health and disability
1 of 10
Crime
1 of 10
Housing and services
1 of 10
Living environment
2 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
19
Low risk addresses
15
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 £138,000 from 2 recorded sales in CO12 3DB. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Tendring is £261,717 in June 2026, up 2.6% year on year.

Schools

14 open schools are in scope, including 12 primary and 2 secondary schools. Harwich Community Primary School and Nursery is the nearest published school at 740 m.

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

Recorded crime

866 published events cover 12 months, averaging 72.167 events per published month. The largest recorded category is Violence and sexual offences with 418 events.

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