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MK18 4BB

Grendon Underwood & The Claydons · Buckinghamshire · England

Updated September 2026

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Location overview

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Ward
Grendon Underwood & The Claydons
Local authority
Buckinghamshire
Constituency
Buckingham and Bletchley
Postcode district
MK18
Postcode sector
MK18 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
MK18 4LD 548 m
MK18 4LB 707 m
MK18 4JZ 876 m
MK18 4DL 979 m
MK18 4LT 1.0 km
Complete postcode fields and official codes
Postcode
MK18 4BB
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
MK
Postcode district
MK18
Postcode sector
MK18 4
Latitude
51.964171
Longitude
-1.059385
British National Grid easting
464,722
British National Grid northing
229,938

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
E04001470
Westminster constituency
Buckingham and Bletchley · E14001141
Output area
E00089399
Lower layer super output area
Buckinghamshire 004F · E01017718
Middle layer super output area
Buckinghamshire 004 · E02003655

Postcode source versions

Explore MK18

Use the wider postcode district to compare the same evidence across more locations.

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
4
Primary
4
Secondary
0

  1. Finmere Church of England Primary School

    Academy converter

    3.0 km

  2. Twyford C of E School

    Voluntary controlled school

    3.8 km

  3. Roundwood Primary 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
10

6 female, 4 male

Postcode households
4
Residents per household
2.5
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

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider MK18 4 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Nearby transport

  • St Nicholas's Church

    BCT · Chetwode

    0.5 miles

  • St Nicholas's Church

    BCT · Chetwode

    0.5 miles

  • The Square

    BCT · Preston Bissett

    0.7 miles

  • The Square

    BCT · Preston Bissett

    0.7 miles

  • St James's Church

    BCT · Barton Hartshorn

    0.8 miles

Relative deprivation

English Indices of Deprivation 2025 for Buckinghamshire 004F, 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

23,963 of 33,755

Income
9 of 10
Employment
9 of 10
Education and skills
8 of 10
Health and disability
10 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.

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

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Schools

Published establishments

4 open schools are in scope, including 4 primary and 0 secondary schools. Finmere Church of England Primary School is the nearest published school at 1.9 miles.

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

Recorded crime

Published police records

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.