MK18 4NQ

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 4JZ	347 m
MK18 4JU	391 m
MK18 4JS	487 m
MK18 4JX	562 m
MK18 4JT	605 m

Complete postcode fields and official codes

Postcode: MK18 4NQ
Status: Current
Introduced: 1 January 1992
Terminated: Not published
Postcode area: MK
Postcode district: MK18
Postcode sector: MK18 4
Latitude: 51.974701
Longitude: -1.062848
British National Grid easting: 464,469
British National Grid northing: 231,106

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: E04001459
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

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

View all nearby schools

Open schools: 4
Primary: 4
Secondary: 0

Finmere Church of England Primary School

Academy converter
1.8 km
Roundwood Primary School

Community school
3.7 km
Fringford Church of England Primary School

Voluntary controlled school
4.7 km

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%

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: 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

St James's Church

BCT · Barton Hartshorn
0.3 miles
St James's Church

BCT · Barton Hartshorn
0.3 miles
St Nicholas's Church

BCT · Chetwode
0.9 miles
St Nicholas's Church

BCT · Chetwode
0.9 miles
The Red Lion PH

BCT · Little Tingewick
1.0 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.

Evidence in context

Schools

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 1.1 miles.

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