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CO12

UK postcode district

Updated September 2026

District overview

Postcode units
832
Current units
644
Coordinate coverage
99%
Electoral wards
8

Coverage context

Countries represented
England
English regions represented
East of England
Local authority codes
1
Terminated postcode units
188

Postcode sectors in CO12

Choose a sector to browse its complete postcode-unit directory.

4 sectors

Property

Across this district

View property report
14,895 recorded sales at this postcode
Address Date Price
32, The Haven, Harwich, CO12 4LA 17 July 2026 £245,000
Cotswood, Wrabness Road, Ramsey, Harwich, CO12 5HB 10 July 2026 £420,000
15, Swallow Close, Harwich, CO12 4WF 10 July 2026 £370,000

Schools

Across this district

View schools report
Open schools
9
Primary
8
Secondary
1

Recorded crime

Across this district

View crime report
Published events
2,196
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,058
  • Criminal damage and arson 226
  • Shoplifting 210
  • Anti social behaviour 179
  • Public order 144

Census 2021

Population and age profile

CO12 usual residents
23,460
Age-profile population
23,419

Age bands in CO12

Postcode district
Age 0 to 14
17.1%

3,994 residents

Age 15 to 24
11%

2,575 residents

Age 25 to 44
21.2%

4,976 residents

Age 45 to 64
26.6%

6,238 residents

Age 65 and over
24.1%

5,636 residents

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

The median Ofcom availability percentage across 631 current postcode units in this district. Each postcode is weighted equally, not by premises.

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%

587 postcode units had 100% superfast coverage, 420 had 100% gigabit-capable coverage, and 0 had at least some premises without decent fixed or fixed-wireless access.

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

3

in this district

  • FRONKS RD FAMILY SURGERY

    77 FRONKS ROAD, DOVERCOURT, HARWICH, CO12 3RS

    ODS code F81221

  • HAREWOOD SURGERY

    HARWICH ROAD, GREAT OAKLEY, HARWICH, CO12 5AD

    ODS code F81606

  • MAYFLOWER MEDICAL CENTRE

    419 MAIN ROAD, HARWICH, CO12 4EX

    ODS code F81019

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.

Evidence in context

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

Property market

Recorded sales

The five-year median is £240,000 from 2,109 recorded sales in CO12. 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

Published establishments

9 open schools are in scope, including 8 primary and 1 secondary schools.

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

Recorded crime

Published police records

2,196 published events cover 12 months, averaging 183 events per published month. The largest recorded category is Violence and sexual offences with 1,058 events.

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