Property market
The five-year median is £607,500 from 3 recorded sales in TN12 9BN. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Maidstone is £352,191 in June 2026, up 0.1% year on year.
TN12 9BN
Marden & Yalding · Maidstone · England
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Tonbridge
- Ward
- Marden & Yalding
- Local authority
- Maidstone
- Constituency
- Weald of Kent
- Postcode district
- TN12
- Postcode sector
- TN12 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- TN12 9BN
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- TN
- Postcode district
- TN12
- Postcode sector
- TN12 9
- Latitude
- 51.199678
- Longitude
- 0.525171
- British National Grid easting
- 576,516
- British National Grid northing
- 147,526
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- South East · E12000008
- Local authority district
- Maidstone · E07000110
- Electoral ward
- Marden & Yalding · E05015606
- Parish or community
- E04004966
- Westminster constituency
- Weald of Kent · E14001570
- Output area
- E00123762
- Lower layer super output area
- Maidstone 018B · E01024379
- Middle layer super output area
- Maidstone 018 · E02005085
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 TN12
Property
3 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 4, Hertsfield Farm Cottages, Marden, Tonbridge, TN12 9BN | 27 February 2026 | £607,500 |
| Old Hertsfield Farm House, Staplehurst Road, Marden, Tonbridge, TN12 9BN | 28 November 2024 | £1,450,000 |
| 4, Hertsfield Farm Cottages, Marden, Tonbridge, TN12 9BN | 17 September 2021 | £555,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 10
- Primary
- 8
- Secondary
- 1
- 3.3 km
OneSchool Global UK - Maidstone Campus
Other independent school
- 3.3 km
Boughton Monchelsea Primary School
Community school
- 3.5 km
Cornwallis Academy
Academy sponsor led
Recorded crime
Within 1 mile of this postcode
- Published events
- 38
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Anti social behaviour 20
- Violence and sexual offences 8
- Criminal damage and arson 6
- Burglary 1
- Other crime 1
Census 2021
Population and age profile
- Postcode residents
- 22
- Postcode households
- 7
- Residents per household
- 3.1
- TN12 9 residents
- 5,774
11 female, 11 male
Age bands in TN12 9
Wider postcode sector- Age 0 to 14
- 19.4%
- Age 15 to 24
- 9.4%
- Age 25 to 44
- 25.1%
- Age 45 to 64
- 28.5%
- Age 65 and over
- 17.6%
1,147 residents
553 residents
1,487 residents
1,684 residents
1,043 residents
This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider TN12 9 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+
- 100%
- Ultrafast, 100 Mbit/s+
- 0%
- Ultrafast, 300 Mbit/s+
- 0%
- Gigabit-capable
- 0%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 75%
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
4
within 5 km straight-line
GREENSAND MEDICAL GROUP
HEATH ROAD, LINTON, MAIDSTONE, ME17 4NU
ODS code G82024
3.6 km
MARDEN MEDICAL CENTRE
CHURCH GREEN, MARDEN, TONBRIDGE, TN12 9HP
ODS code G82215
3.7 km
WALLIS AVENUE
THE SURGERY, WALLIS AVENUE, PARKWOOD, MAIDSTONE, ME15 9JJ
ODS code G82641
5.0 km
SUTTON VALENCE GROUP PRACTICE
SOUTH LANE, SUTTON VALENCE, MAIDSTONE, ME17 3BD
ODS code G82229
5.0 km
Nearby transport
- 0.4 miles
Stilebridge Lane
BCT · Stile Bridge
- 0.4 miles
Stilebridge Lane
BCT · Stile Bridge
- 0.7 miles
Underlyn Industrial Estate
BCT · Underling Green
- 0.7 miles
Underlyn Industrial Estate
BCT · Underling Green
- 1.2 miles
Redwall Lane
BCT · Linton
Relative deprivation
English Indices of Deprivation 2025 for Maidstone 018B, 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
5 of 10
Overall England rank
13,640 of 33,755
- Income
- 7 of 10
- Employment
- 6 of 10
- Education and skills
- 5 of 10
- Health and disability
- 8 of 10
- Crime
- 8 of 10
- Housing and services
- 1 of 10
- Living environment
- 1 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
- 2
- Low risk addresses
- 3
- 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
10 open schools are in scope, including 8 primary and 1 secondary schools. OneSchool Global UK - Maidstone Campus is the nearest published school at 2.0 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
38 published events cover 12 months, averaging 3.167 events per published month. The largest recorded category is Anti social behaviour with 20 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.