TN15
Postcode districtPostcode district covering Borough Green, West Kingsdown and Kemsing, in Tonbridge and Malling and Sevenoaks.
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 TN15 postcode. How census figures are added up
Radon Affected Area by postcode district
Worked out by Open Index · 2022
About 78% of people in TN15 live in a 1 km square that the radon atlas marks as a radon Affected Area.
How TN15 compares
Each dot is a postcode district. The black line marks the middle one.
Is TN15 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in TN15 at a rate of 49.8 per 1,000 people.
That compares with 75.6 per 1,000 people across the TN postcode area.
In August 2026 alone, 96 cases of crime and anti-social behaviour were recorded in TN15.
In the 12 months to August 2026, the most common types were violence and sexual offences (529), anti-social behaviour (225) and other crime (212).
A year earlier, the recorded crime rate in TN15 was 55.9 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 TN15, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so TN15 has no single figure. Of its 15 neighbourhoods with a rank:
- Decile 5: 6 neighbourhoods
- Decile 6: 1 neighbourhood
- Decile 7: 3 neighbourhoods
- Decile 8: 1 neighbourhood
- Decile 9: 3 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 TN15
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Sevenoaks 007A | 1,631 | 55.9 per 1,000 | 5 | 56.9% |
| Sevenoaks 007B | 1,484 | 63.0 per 1,000 | 5 | 63.1% |
| Sevenoaks 007C | 1,472 | 93.1 per 1,000 | 5 | 53.3% |
| Sevenoaks 007D | 1,437 | 23.2 per 1,000 | 6 | 92.5% |
| Sevenoaks 009A | 1,312 | 32.7 per 1,000 | 7 | 99.8% |
| Sevenoaks 009B | 1,461 | 12.9 per 1,000 | 10 | 94.0% |
| Sevenoaks 009C | 1,554 | 40.9 per 1,000 | 7 | 89.4% |
| Sevenoaks 010A | 1,299 | 43.1 per 1,000 | 5 | 91.5% |
| Sevenoaks 012A | 1,415 | 133.4 per 1,000 | 8 | 82.9% |
| Tonbridge and Malling 006A | 1,621 | 34.2 per 1,000 | 7 | 76.5% |
| Tonbridge and Malling 006B | 2,096 | 39.8 per 1,000 | 9 | 70.8% |
| Tonbridge and Malling 006C | 2,149 | 55.1 per 1,000 | 9 | 80.7% |
| Tonbridge and Malling 006D | 1,886 | 32.0 per 1,000 | 5 | 83.3% |
| Tonbridge and Malling 006E | 2,038 | 29.7 per 1,000 | 9 | 73.3% |
| Tonbridge and Malling 006F | 1,961 | 91.9 per 1,000 | 5 | 82.2% |
MPs for TN15
- Tom TugendhatConservativeMP for Tonbridge55% of TN15’s postcodes
- Laura TrottConservativeMP for Sevenoaks45% of TN15’s postcodes
- Dr Lauren SullivanLabourMP for Gravesham0.2% of TN15’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 TN153
Postcode sectors in TN155
Councils TN15 covers2
Postcode districts next to TN158
Nearest rail stations2
More in the TN postcode area2
TN15 in brief
TN15 is a postcode district covering Borough Green, West Kingsdown and Kemsing, in Tonbridge and Malling and Sevenoaks.
About 25,986 people lived in TN15 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £525,000 in 2025 across 346 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 49.8 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in TN15 was £525,000 in 2025.
TN15 had 25,680 usual residents at the census.
About 78% of people in TN15 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In TN15, 77.4% of homes and businesses could get gigabit-capable broadband in January 2026.