CM77

UK postcode district

Updated September 2026

District overview

Postcode units
535
Current units
462
Coordinate coverage
100%
Electoral wards
10

Coverage context

Countries represented
England
English regions represented
East of England
Local authority codes
3
Terminated postcode units
73

Postcode sectors in CM77

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

3 sectors
10,181 recorded sales at this postcode
Address Date Price
15, Elder Field, Great Notley, Braintree, CM77 7TZ 24 July 2026 £285,000
6, Washall Drive, Braintree, CM77 7GF 20 July 2026 £690,000
59, Ragley Close, Great Notley, Braintree, CM77 7XP 20 July 2026 £345,000

Schools

Across this district

View schools report
Open schools
5
Primary
5
Secondary
0

Recorded crime

Across this district

View crime report
Published events
655
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 288
  • Other theft 63
  • Anti social behaviour 60
  • Public order 53
  • Criminal damage and arson 52

Census 2021

Population and age profile

CM77 usual residents
15,875
Age-profile population
15,442

Age bands in CM77

Postcode district
Age 0 to 14
17.6%

2,717 residents

Age 15 to 24
11.6%

1,786 residents

Age 25 to 44
22.5%

3,477 residents

Age 45 to 64
29.8%

4,604 residents

Age 65 and over
18.5%

2,858 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 453 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%

391 postcode units had 100% superfast coverage, 344 had 100% gigabit-capable coverage, and 5 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 Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Evidence in context

Property market

The five-year median is £400,000 from 1,239 recorded sales in CM77. 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

5 open schools are in scope, including 5 primary and 0 secondary schools.

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

Recorded crime

655 published events cover 12 months, averaging 54.583 events per published month. The largest recorded category is Violence and sexual offences with 288 events.

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