MK18 4FJ

Grendon Underwood & The Claydons · Buckinghamshire · England

Updated September 2026

Compare this postcode

Location overview

Drag to pan. Use + or - to zoom. Open larger map
Local authority
Buckinghamshire
Postcode district
MK18
Postcode sector
MK18 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
MK18 4BX 220 m
MK18 4DD 768 m
MK18 4DE 811 m
MK18 4ND 1.1 km
MK18 4NA 1.3 km
Complete postcode fields and official codes
Postcode
MK18 4FJ
Status
Current
Introduced
1 November 2025
Terminated
Not published
Postcode area
MK
Postcode district
MK18
Postcode sector
MK18 4
Latitude
51.965347
Longitude
-1.020483
British National Grid easting
467,393
British National Grid northing
230,104

Statistical and administrative geographies

Country
England · E92000001
Region
South East · E12000008
Local authority district
Buckinghamshire · E06000060
Parish or community
E04001493
Westminster constituency
Buckingham and Bletchley · E14001141
Output area
E00089296
Lower layer super output area
Buckinghamshire 004B · E01017694
Middle layer super output area
Buckinghamshire 004 · E02003655

Postcode source versions

Explore MK18

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
11
Primary
8
Secondary
2
  1. Roundwood Primary School

    Community school

    1.9 km
  2. Twyford C of E School

    Voluntary controlled school

    3.7 km
  3. Steeple Claydon School and Pre-School

    Community school

    3.9 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
3
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Other crime 1
  • Other theft 1
  • Criminal damage and arson 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%

625 residents

Age 15 to 24
10.3%

404 residents

Age 25 to 44
19.2%

754 residents

Age 45 to 64
31.7%

1,244 residents

Age 65 and over
22.8%

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.

GP practices

1

within 5 km

  • THE SWAN PRACTICE

    MASONIC HOUSE, 26 HIGH STREET, BUCKINGHAM, MK18 1NU

    ODS code K82007

    4.7 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

  • The Square

    BCT · Preston Bissett

    1.0 miles
  • The Square

    BCT · Preston Bissett

    1.0 miles
  • All Saints' Church

    BCT · Hillesden

    1.1 miles
  • Post Office

    BCT · Gawcott

    1.2 miles
  • Post Office

    BCT · Gawcott

    1.2 miles

Relative deprivation

English Indices of Deprivation 2025 for Buckinghamshire 004B, 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

22,186 of 33,755

Income
8 of 10
Employment
8 of 10
Education and skills
8 of 10
Health and disability
9 of 10
Crime
10 of 10
Housing and services
1 of 10
Living environment
4 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.

Evidence in context

Schools

11 open schools are in scope, including 8 primary and 2 secondary schools. Roundwood Primary School is the nearest published school at 1.2 miles.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

3 published events cover 12 months, averaging 0.25 events per published month. The largest recorded category is Other crime with 1 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.