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TN21

UK postcode district

Updated September 2026

District overview

Postcode units
992
Current units
713
Coordinate coverage
100%
Electoral wards
9

Coverage context

Countries represented
England
English regions represented
South East
Local authority codes
2
Terminated postcode units
279

Postcode sectors in TN21

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

4 sectors

Property

Across this district

View property report
11,355 recorded sales at this postcode
Address Date Price
10, Beauford Road, Horam, Heathfield, TN21 0EB 24 July 2026 £280,500
10, Cornflower Avenue, Horam, Heathfield, TN21 9DQ 20 July 2026 £500,000
Tregantle, Hanging Birch Lane, Horam, Heathfield, TN21 0BH 17 July 2026 £1,015,000

Schools

Across this district

View schools report
Open schools
8
Primary
6
Secondary
1

Recorded crime

Across this district

View crime report
Published events
659
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 258
  • Anti social behaviour 121
  • Criminal damage and arson 61
  • Public order 53
  • Other theft 37

Census 2021

Population and age profile

TN21 usual residents
16,969
Age-profile population
16,727

Age bands in TN21

Postcode district
Age 0 to 14
14.5%

2,429 residents

Age 15 to 24
8.8%

1,464 residents

Age 25 to 44
19.4%

3,252 residents

Age 45 to 64
30.1%

5,034 residents

Age 65 and over
27.2%

4,548 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 690 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%

602 postcode units had 100% superfast coverage, 378 had 100% gigabit-capable coverage, and 8 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.

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 £395,000 from 1,464 recorded sales in TN21. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Wealden is £386,787 in June 2026, down 0.7% year on year.

Schools

Published establishments

8 open schools are in scope, including 6 primary and 1 secondary schools.

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

Recorded crime

Published police records

659 published events cover 12 months, averaging 54.917 events per published month. The largest recorded category is Violence and sexual offences with 258 events.

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