Property market
The five-year median is £985,000 from 1 recorded sale in TN15 0SG. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Sevenoaks is £543,081 in June 2026, up 3.2% year on year.
TN15 0SG
Seal and Weald · Sevenoaks · England
Updated September 2026
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Nearby postcodes
Complete postcode fields and official codes
- Postcode
- TN15 0SG
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- TN
- Postcode district
- TN15
- Postcode sector
- TN15 0
- Latitude
- 51.236046
- Longitude
- 0.238601
- British National Grid easting
- 556,374
- British National Grid northing
- 150,921
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- South East · E12000008
- Local authority district
- Sevenoaks · E07000111
- Electoral ward
- Seal and Weald · E05011559
- Parish or community
- E04005003
- Westminster constituency
- Sevenoaks · E14001465
- Output area
- E00124140
- Lower layer super output area
- Sevenoaks 012B · E01024459
- Middle layer super output area
- Sevenoaks 012 · E02005098
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore TN15
Property
5 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Badgers Brook, Mill Lane, Underriver, Sevenoaks, TN15 0SG | 7 June 2024 | £985,000 |
| Badgers Brook, Mill Lane, Underriver, Sevenoaks, TN15 0SG | 30 August 2019 | £870,000 |
| Badgers Brook, Mill Lane, Underriver, Sevenoaks, TN15 0SG | 18 September 2014 | £706,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 25
- Primary
- 12
- Secondary
- 1
- 2.0 km
Hilden Park
Other independent special school
- 2.0 km
Hildenborough Church of England Primary School
Voluntary controlled school
- 2.2 km
Sackville School
Other independent school
Recorded crime
Within 1 mile of this postcode
- Published events
- 28
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Other theft 9
- Anti social behaviour 6
- Violence and sexual offences 5
- Criminal damage and arson 3
- Drugs 2
Census 2021
Population and age profile
- Postcode residents
- 11
- Postcode households
- 4
- Residents per household
- 2.8
- TN15 0 residents
- 4,439
4 female, 7 male
Age bands in TN15 0
Wider postcode sector- Age 0 to 14
- 19%
- Age 15 to 24
- 9.4%
- Age 25 to 44
- 17.9%
- Age 45 to 64
- 32.3%
- Age 65 and over
- 21.4%
892 residents
443 residents
840 residents
1,516 residents
1,006 residents
This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider TN15 0 sector, not people in this individual postcode.
Small counts are adjusted for privacy, so totals can differ slightly between Census tables.
Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.
Fixed broadband coverage
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
- Superfast, 30 Mbit/s+
- 80%
- Ultrafast, 100 Mbit/s+
- 80%
- Ultrafast, 300 Mbit/s+
- 80%
- Gigabit-capable
- 80%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 0%
Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.
Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.
GP practices
1
within 5 km
HILDENBOROUGH MEDICAL GROUP
THE HILDENBOROUGH MED.CTR, WESTWOOD, TONBRIDGE ROAD, HILDENBOROUGH, TONBRIDGE, TN11 9HL
ODS code G82037
2.4 km
Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.
Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.
Nearby transport
- 0.4 miles
Grenadiers
BCT · Hildenborough
- 0.5 miles
Grenadiers
BCT · Hildenborough
- 0.5 miles
Hildenbrook Farm
BCT · Hildenborough
- 0.5 miles
Hildenbrook Farm
BCT · Hildenborough
- 0.5 miles
Vines Lane West
BCT · Hildenborough
Relative deprivation
English Indices of Deprivation 2025 for Sevenoaks 012B, the published LSOA linked to this postcode. Decile 1 contains the most deprived 10% of English LSOAs and decile 10 the least deprived 10%.
Overall IMD decile
7 of 10
Overall England rank
23,510 of 33,755
- Income
- 8 of 10
- Employment
- 9 of 10
- Education and skills
- 9 of 10
- Health and disability
- 9 of 10
- Crime
- 8 of 10
- Housing and services
- 2 of 10
- Living environment
- 2 of 10
These are relative area statistics, not measures of an individual household, affluence or absolute change. They cannot be compared with indices for other UK nations. Source: English Indices of Deprivation 2025, version 2025-v2.
Flood risk
Environment Agency long-term indicators for the area around addresses in this postcode. They are not an assessment of any individual property and do not show current or forecast flooding.
- High risk addresses
- 0
- Medium risk addresses
- 0
- Low risk addresses
- 2
- Groundwater flood alert area
- Unlikely
Source: Environment Agency flood-risk postcode search tool data, version 2026-06-18. Check the long-term risk for an individual area. © Environment Agency copyright and/or database right 2025. All rights reserved.
Evidence in context
Schools
25 open schools are in scope, including 12 primary and 1 secondary schools. Hilden Park is the nearest published school at 1.3 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
28 published events cover 12 months, averaging 2.333 events per published month. The largest recorded category is Other theft with 9 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.