CO12 3RN

Dovercourt Bay · 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 3SQ 51 m
CO12 3SE 75 m
CO12 3RJ 82 m
CO12 3RW 84 m
CO12 3SA 95 m
Complete postcode fields and official codes
Postcode
CO12 3RN
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
CO
Postcode district
CO12
Postcode sector
CO12 3
Latitude
51.932775
Longitude
1.275243
British National Grid easting
625,256
British National Grid northing
231,096

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
E00111762
Lower layer super output area
Tendring 001C · E01021999
Middle layer super output area
Tendring 001 · E02004573

Postcode source versions

Explore CO12

25 recorded sales at this postcode
Address Date Price
35, Fronks Road, Harwich, CO12 3RN 6 February 2026 £265,000
37, Fronks Road, Harwich, CO12 3RN 24 October 2025 £192,500
41, Fronks Road, Harwich, CO12 3RN 3 October 2025 £245,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
10
Primary
9
Secondary
1
  1. The Mayflower Primary School

    Community school

    558 m
  2. St Joseph's Catholic Primary School

    Academy converter

    564 m
  3. Harwich and Dovercourt High School

    Academy sponsor led

    988 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,602
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 736
  • Shoplifting 199
  • Criminal damage and arson 170
  • Anti social behaviour 134
  • Public order 99

Census 2021

Population and age profile

Postcode residents
31

14 female, 17 male

Postcode households
13
Residents per household
2.4
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 0.4% 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+
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

2

within 5 km

  • FRONKS RD FAMILY SURGERY

    77 FRONKS ROAD, DOVERCOURT, HARWICH, CO12 3RS

    ODS code F81221

    177 m

  • MAYFLOWER MEDICAL CENTRE

    419 MAIN ROAD, HARWICH, CO12 4EX

    ODS code F81019

    1.0 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 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Minesweepers Memorial

    BCT · Dovercourt

    0.1 miles
  • Minesweepers Memorial

    BCT · Dovercourt

    0.1 miles
  • Fronk's Avenue

    BCT · Upper Dovercourt

    0.1 miles
  • Fronk's Avenue

    BCT · Upper Dovercourt

    0.2 miles
  • Mayflower School

    BCT · Dovercourt

    0.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Tendring 001C, 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

3 of 10

Overall England rank

7,977 of 33,755

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

Property market

The five-year median is £225,000 from 6 recorded sales in CO12 3RN. 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

10 open schools are in scope, including 9 primary and 1 secondary schools. The Mayflower Primary School is the nearest published school at 558 m.

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

Recorded crime

1,602 published events cover 12 months, averaging 133.5 events per published month. The largest recorded category is Violence and sexual offences with 736 events.

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