TN20
Postcode districtPostcode district covering Mayfield, Wellbrook and Skippers Hill, 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 TN20 postcode. How census figures are added up
Radon Affected Area by postcode district
Worked out by Open Index · 2022
About 0% of people in TN20 live in a 1 km square that the radon atlas marks as a radon Affected Area.
How TN20 compares
Each dot is a postcode district. The black line marks the middle one.
Is TN20 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in TN20 at a rate of 40.2 per 1,000 people.
That compares with 75.6 per 1,000 people across the TN postcode area.
In August 2026 alone, 10 cases of crime and anti-social behaviour were recorded in TN20.
In the 12 months to August 2026, the most common types were violence and sexual offences (54), other crime (45) and anti-social behaviour (38).
A year earlier, the recorded crime rate in TN20 was 30.4 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 TN20, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so TN20 has no single figure. Of its 3 neighbourhoods with a rank:
- Decile 7: 1 neighbourhood
- Decile 8: 2 neighbourhoods
English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.
Neighbourhoods in TN20
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Wealden 005A | 1,226 | 33.5 per 1,000 | 8 | 59.5% |
| Wealden 005B | 1,574 | 28.1 per 1,000 | 8 | 80.7% |
| Wealden 011A | 1,408 | 57.3 per 1,000 | 7 | 13.3% |
MPs for TN20
- Ms Nusrat GhaniConservativeMP for Sussex Weald99% of TN20’s postcodes
- Mims DaviesConservativeMP for East Grinstead and Uckfield1.1% of TN20’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.
Postcode sectors in TN201
Council1
Postcode districts next to TN205
More in the TN postcode area2
TN20 in brief
TN20 is a postcode district covering Mayfield, Wellbrook and Skippers Hill, in Wealden.
About 4,084 people lived in TN20 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £530,000 in 2025 across 41 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 40.2 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in TN20 was £530,000 in 2025.
TN20 had 4,048 usual residents at the census.
About 0% of people in TN20 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In TN20, 61.2% of homes and businesses could get gigabit-capable broadband in January 2026.