TN21
Postcode districtPostcode district covering Heathfield and Horam, in Wealden.
Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an TN21 postcode. How census figures are added up
Radon Affected Area by postcode district
Worked out by Open Index · 2022
About 0% of people in TN21 live in a 1 km square that the radon atlas marks as a radon Affected Area.
How TN21 compares
Each dot is a postcode district. The black line marks the middle one.
Is TN21 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in TN21 at a rate of 42.6 per 1,000 people.
That compares with 75.6 per 1,000 people across the TN postcode area.
In August 2026 alone, 88 cases of crime and anti-social behaviour were recorded in TN21.
In the 12 months to August 2026, the most common types were violence and sexual offences (286), anti-social behaviour (160) and other crime (141).
A year earlier, the recorded crime rate in TN21 was 38.8 per 1,000 people.
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Deprivation in TN21, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so TN21 has no single figure. Of its 10 neighbourhoods with a rank:
- Decile 6: 3 neighbourhoods
- Decile 7: 1 neighbourhood
- Decile 8: 3 neighbourhoods
- Decile 9: 2 neighbourhoods
- Decile 10 (England’s least deprived 10%): 1 neighbourhood
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in TN21
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Wealden 010A | 1,445 | 56.2 per 1,000 | 8 | 81.5% |
| Wealden 010B | 1,617 | 72.4 per 1,000 | 8 | 76.2% |
| Wealden 010C | 1,522 | 28.8 per 1,000 | 9 | 96.4% |
| Wealden 010D | 1,787 | 47.8 per 1,000 | 6 | 90.3% |
| Wealden 010E | 1,709 | 20.1 per 1,000 | 10 | 99.9% |
| Wealden 011B | 1,343 | 40.0 per 1,000 | 7 | 62.9% |
| Wealden 011C | 1,453 | 27.9 per 1,000 | 9 | 81.6% |
| Wealden 011D | 1,429 | 68.1 per 1,000 | 6 | 52.9% |
| Wealden 011E | 1,691 | 50.1 per 1,000 | 8 | 67.7% |
| Wealden 014A | 1,129 | 35.7 per 1,000 | 6 | 76.8% |
MPs for TN21
- Ms Nusrat GhaniConservativeMP for Sussex Weald95% of TN21’s postcodes
- Dr Kieran MullanConservativeMP for Bexhill and Battle5.0% of TN21’s postcodes
As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.
Middle areas in TN212
Postcode sectors in TN214
Council1
Towns in TN211
Postcode districts next to TN217
More in the TN postcode area2
TN21 in brief
TN21 is a postcode district covering Heathfield and Horam, in Wealden.
About 17,755 people lived in TN21 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £390,000 in 2025 across 286 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 42.6 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in TN21 was £390,000 in 2025.
TN21 had 17,066 usual residents at the census.
About 0% of people in TN21 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In TN21, 72.5% of homes and businesses could get gigabit-capable broadband in January 2026.