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CO9

UK postcode district

Updated September 2026

District overview

Postcode units
1,201
Current units
928
Coordinate coverage
100%
Electoral wards
12

Coverage context

Countries represented
England
English regions represented
East of England
Local authority codes
2
Terminated postcode units
273

Postcode sectors in CO9

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

5 sectors
16,431 recorded sales at this postcode
Address Date Price
8, Blamsters Crescent, Halstead, CO9 1AG 22 July 2026 £310,000
5, Edmund Green, Gosfield, Halstead, CO9 1UF 17 July 2026 £402,000
12, Upper Trinity Road, Halstead, CO9 1EE 10 July 2026 £340,000

Schools

Across this district

View schools report
Open schools
17
Primary
11
Secondary
2

Recorded crime

Across this district

View crime report
Published events
1,432
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 658
  • Other theft 111
  • Public order 111
  • Anti social behaviour 109
  • Criminal damage and arson 106

Census 2021

Population and age profile

CO9 usual residents
27,821
Age-profile population
27,893

Age bands in CO9

Postcode district
Age 0 to 14
16.4%
4,568 residents
Age 15 to 24
10%
2,777 residents
Age 25 to 44
22.4%
6,244 residents
Age 45 to 64
28.6%
7,985 residents
Age 65 and over
22.7%
6,319 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.

Fixed broadband coverage

The median Ofcom availability percentage across 903 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%

In this district, 817 postcode units had 100% superfast coverage, 625 postcode units had 100% gigabit-capable coverage, 19 postcode units had at least some premises without decent fixed or fixed-wireless access.

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, coverage at January 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

2

in this district

  • HEDINGHAM MEDICAL CENTRE

    10 FALCON SQUARE, CASTLE HEDINGHAM, HALSTEAD, CO9 3BY

    ODS code Y00293

  • THE ELIZABETH COURTAULD SURGERY

    FACTORY LANE WEST, HALSTEAD, CO9 1EX

    ODS code F81068

Evidence in context

Property market

The five-year median is £325,000 from 2,246 recorded sales in CO9. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Braintree is £330,637 in June 2026, up 2.0% year on year.

Schools

17 open schools are in scope, including 11 primary and 2 secondary schools.

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

Recorded crime

1,432 published events cover 12 months, averaging 119 events per published month. The largest recorded category is Violence and sexual offences with 658 events.

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