# TN13

Postcode district covering Sevenoaks, St John's and Riverhead, in Sevenoaks.

TN13 is a postcode district covering Sevenoaks, St John's and Riverhead, in Sevenoaks. Median sale price £713,750 in 2025. Recorded crime 51.8 per 1,000 people.

Postcode district. Code TN13. In: [Postcodes](https://openindex.co.uk/postcode) › [TN](https://openindex.co.uk/postcode/tn)

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 TN13 postcode. [How census figures are added up](https://openindex.co.uk/sources/population)

## Key figures

- **Median sale price: £713,750** (2025). The median price paid for a home in TN13 was £713,750 in 2025. 73rd most expensive of 2,235. Source: Worked out by Open Index from HM Land Registry Price Paid Data. Published 28 September 2026. https://openindex.co.uk/postcode/tn13#f-house-sales-median-price
- **Population: 25,473** (2021). TN13 had 25,473 usual residents at the census (ONS Census 2021). 1,145th most populated of 2,756. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/postcode/tn13#f-population
- **People in radon Affected Area squares: 94%** (2022). About 94% of people in TN13 live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/postcode/tn13#f-radon-affected-share
- **Gigabit broadband coverage: 84.2%** (January 2026). In TN13, 84.2% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/postcode/tn13#f-gigabit-coverage

## On the map

- [Radon Affected Area by postcode district](https://openindex.co.uk/map/radon-affected-areas?place=TN13) (Worked out by Open Index · 2022): About 94% of people in TN13 live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Sales per year by postcode district](https://openindex.co.uk/map/house-sales-per-year?place=TN13) (Worked out by Open Index · 2025): 424 homes were sold in TN13 in 2025.
- [Crime and ASB by postcode district](https://openindex.co.uk/map/recorded-crime?place=TN13) (Police recorded crime and outcomes (data.police.uk) · August 2026): Crime and anti-social behaviour for TN13.
- [Population by postcode district](https://openindex.co.uk/map/population?place=TN13) (Census 2021, England and Wales): TN13 had 25,473 usual residents at the census.

## How TN13 compares

Each postcode district against every other postcode district the measure covers.

| Measure | TN13 | Rank | Compared with |
| --- | --- | --- | --- |
| Median sale price | £713,750 | most expensive | 40 postcode districts, TN · 2025 |
| Population | 25,473 | 11th most populated | 40 postcode districts, TN · 2021 |
| People in radon Affected Area squares | 94% | 2nd most people in radon Affected Areas | 40 postcode districts, TN · 2022 |
| Gigabit broadband coverage | 84.2% | 12th highest | 40 postcode districts, TN · Jan 2026 |

## Is TN13 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in TN13 at a rate of 51.8 per 1,000 people.
That compares with 75.6 per 1,000 people across the TN postcode area.
In August 2026 alone, 111 cases of crime and anti-social behaviour were recorded in TN13.
In the 12 months to August 2026, the most common types were violence and sexual offences (342), anti-social behaviour (263) and other crime (211).
A year earlier, the recorded crime rate in TN13 was 58.5 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 TN13, neighbourhood by neighbourhood

- Deprivation is ranked by neighbourhood, so TN13 has no single figure. Of its 15 neighbourhoods with a rank:
- Decile 6: 2 neighbourhoods
- Decile 8: 1 neighbourhood
- Decile 9: 3 neighbourhoods
- Decile 10 (England’s least deprived 10%): 9 neighbourhoods

Source: English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

## Neighbourhoods in TN13

| Area | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
| --- | --- | --- | --- | --- |
| [Sevenoaks 008B](https://openindex.co.uk/sevenoaks/neighbourhood/e01024423) | 1,708 | 83.0 per 1,000 | 9 | 89.1% |
| [Sevenoaks 008F](https://openindex.co.uk/sevenoaks/neighbourhood/e01035000) | 1,585 | 61.5 per 1,000 | 6 | 75.3% |
| [Sevenoaks 010B](https://openindex.co.uk/sevenoaks/neighbourhood/e01024460) | 1,724 | 42.7 per 1,000 | 6 | 97.5% |
| [Sevenoaks 010C](https://openindex.co.uk/sevenoaks/neighbourhood/e01024461) | 2,440 | 34.2 per 1,000 | 10 | 96.2% |
| [Sevenoaks 010F](https://openindex.co.uk/sevenoaks/neighbourhood/e01024468) | 1,580 | 68.6 per 1,000 | 9 | 89.3% |
| [Sevenoaks 011A](https://openindex.co.uk/sevenoaks/neighbourhood/e01024416) | 1,714 | 41.2 per 1,000 | 9 | 76.4% |
| [Sevenoaks 011B](https://openindex.co.uk/sevenoaks/neighbourhood/e01024418) | 1,445 | 23.6 per 1,000 | 10 | 89.0% |
| [Sevenoaks 011C](https://openindex.co.uk/sevenoaks/neighbourhood/e01024424) | 1,402 | 20.5 per 1,000 | 10 | 61.7% |
| [Sevenoaks 011D](https://openindex.co.uk/sevenoaks/neighbourhood/e01024463) | 1,609 | 52.2 per 1,000 | 10 | 45.1% |
| [Sevenoaks 011E](https://openindex.co.uk/sevenoaks/neighbourhood/e01024464) | 1,693 | 12.0 per 1,000 | 10 | 80.2% |
| [Sevenoaks 011F](https://openindex.co.uk/sevenoaks/neighbourhood/e01024467) | 1,776 | 29.1 per 1,000 | 10 | 88.9% |
| [Sevenoaks 012C](https://openindex.co.uk/sevenoaks/neighbourhood/e01024462) | 1,658 | 35.4 per 1,000 | 8 | 98.2% |
| [Sevenoaks 012D](https://openindex.co.uk/sevenoaks/neighbourhood/e01024469) | 1,781 | 57.2 per 1,000 | 10 | 89.4% |
| [Sevenoaks 012E](https://openindex.co.uk/sevenoaks/neighbourhood/e01024470) | 1,668 | 42.6 per 1,000 | 10 | 88.7% |
| [Sevenoaks 012F](https://openindex.co.uk/sevenoaks/neighbourhood/e01024471) | 2,012 | 155.0 per 1,000 | 10 | 75.5% |

## Your MP

- [Sevenoaks](https://openindex.co.uk/constituency/sevenoaks): Laura Trott (Conservative), MP since July 2024.

As of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Middle areas in TN13

[Sevenoaks North](https://openindex.co.uk/sevenoaks/sevenoaks-north), [Sevenoaks Town & Weald](https://openindex.co.uk/sevenoaks/sevenoaks-town-and-weald), [Sevenoaks West & Chevening](https://openindex.co.uk/sevenoaks/sevenoaks-west-and-chevening)

## Postcode sectors in TN13

[TN13 1 (231 postcodes)](https://openindex.co.uk/postcode/tn13-1), [TN13 2 (236 postcodes)](https://openindex.co.uk/postcode/tn13-2), [TN13 3 (280 postcodes)](https://openindex.co.uk/postcode/tn13-3), [TN13 9 (54 postcodes)](https://openindex.co.uk/postcode/tn13-9)

## Council

[Sevenoaks](https://openindex.co.uk/sevenoaks)

## Towns in TN13

[Sevenoaks](https://openindex.co.uk/town/sevenoaks)

## Postcode districts next to TN13

[TN14](https://openindex.co.uk/postcode/tn14), [TN15](https://openindex.co.uk/postcode/tn15)

## Nearest rail stations

[Sevenoaks (1.3 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1817,51.2769), [Bat and Ball (2.7 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1942,51.2898), [Dunton Green (3.6 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1709,51.2965), [Otford (5.3 km from the middle)](https://openindex.co.uk/map/rail-stations?around=0.1968,51.3132)

## More in the TN postcode area

[All TN postcode districts](https://openindex.co.uk/postcode/tn), [Every UK postcode area](https://openindex.co.uk/postcode)

## TN13 in brief

TN13 is a postcode district covering Sevenoaks, St John's and Riverhead, in Sevenoaks.
About 25,946 people lived in TN13 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £713,750 in 2025 across 424 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 51.8 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in TN13 was £713,750 in 2025.
TN13 had 25,473 usual residents at the census.
About 94% of people in TN13 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In TN13, 84.2% of homes and businesses could get gigabit-capable broadband in January 2026.

## About

- Type: Postcode district
- Code: TN13
- Postcode area: [TN](https://openindex.co.uk/postcode/tn)
- Constituency: [Sevenoaks †](https://openindex.co.uk/constituency/sevenoaks)
- Council: [Sevenoaks †](https://openindex.co.uk/sevenoaks)
- Area: 20.60 km²
- People, mid-2024: 25,946*
- Neighbourhoods: 15
- Output areas: 73

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the constituency, council, region and nation this postcode district mostly lies in. Its edges do not follow theirs.

## Next door

[TN14](https://openindex.co.uk/postcode/tn14), [TN15](https://openindex.co.uk/postcode/tn15)

## Latest updates for TN13

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/TN13

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/postcode/tn13, or to one figure with its anchor, https://openindex.co.uk/postcode/tn13#f-house-sales-median-price.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/postcode/tn13