Schools
3 open schools are in scope, including 3 primary and 0 secondary schools. Twyford C of E School is the nearest published school at 1.0 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
MK18 4FF
Grendon Underwood & The Claydons · Buckinghamshire · England
Updated September 2026
Compare this postcodeLocation overview
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- Local authority
- Buckinghamshire
- Constituency
- Mid Buckinghamshire
- Postcode district
- MK18
- Postcode sector
- MK18 4
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- MK18 4FF
- Status
- Terminated
- Introduced
- 1 October 2022
- Terminated
- 1 April 2026
- Postcode area
- MK
- Postcode district
- MK18
- Postcode sector
- MK18 4
- Latitude
- 51.930384
- Longitude
- -1.012386
- British National Grid easting
- 468,002
- British National Grid northing
- 226,223
Statistical and administrative geographies
- Country
- England · E92000001
- Region
- South East · E12000008
- Local authority district
- Buckinghamshire · E06000060
- Electoral ward
- Grendon Underwood & The Claydons · E05015953
- Parish or community
- E04001531
- Westminster constituency
- Mid Buckinghamshire · E14001360
- Output area
- E00089389
- Lower layer super output area
- Buckinghamshire 004D · E01017714
- Middle layer super output area
- Buckinghamshire 004 · E02003655
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 MK18
Schools
Within 3.1 miles of this postcode
- Open schools
- 3
- Primary
- 3
- Secondary
- 0
- 1.6 km
Twyford C of E School
Voluntary controlled school
- 2.2 km
Steeple Claydon School and Pre-School
Community school
- 4.4 km
Marsh Gibbon CofE Primary School
Voluntary aided school
Recorded crime
Within 1 mile of this postcode
- Published events
- 19
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 9
- Other theft 4
- Public order 3
- Drugs 1
- Burglary 1
Census 2021
Population and age profile
- Postcode residents
- Not supplied
- Postcode households
- Not supplied
- Residents per household
- Not available
- MK18 4 residents
- 4,055
Age bands in MK18 4
Wider postcode sector- Age 0 to 14
- 15.9%
- Age 15 to 24
- 10.3%
- Age 25 to 44
- 19.2%
- Age 45 to 64
- 31.7%
- Age 65 and over
- 22.8%
625 residents
404 residents
754 residents
1,244 residents
893 residents
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+
- 0%
- 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
- 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.
Nearby transport
- 0.3 miles
Seven Stars Crossroads
BCT · Twyford
- 0.3 miles
Seven Stars Crossroads
BCT · Twyford
- 0.8 miles
Rosehill Crescent
BCT · Twyford
- 0.9 miles
Recreation Ground
BCT · Charndon
- 0.9 miles
Recreation Ground
BCT · Charndon
Relative deprivation
English Indices of Deprivation 2025 for Buckinghamshire 004D, 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
8 of 10
Overall England rank
24,885 of 33,755
- Income
- 8 of 10
- Employment
- 10 of 10
- Education and skills
- 8 of 10
- Health and disability
- 10 of 10
- Crime
- 9 of 10
- Housing and services
- 1 of 10
- Living environment
- 6 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
- 0
- 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
Recorded crime
19 published events cover 12 months, averaging 1.583 events per published month. The largest recorded category is Violence and sexual offences with 9 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.