Grendon Underwood & The Claydons · Buckinghamshire · England
Updated September 2026
Compare this postcodeWithin 3.1 miles of this postcode
Marsh Gibbon CofE Primary School
Voluntary aided school
Twyford C of E School
Voluntary controlled school
Launton Church of England Primary School
Voluntary controlled school
Within 1 mile of this postcode
Census 2021
95 residents
41 residents
133 residents
195 residents
132 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.
Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.
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.
Poundon Turn
BCT · Poundon
Poundon Turn
BCT · Poundon
Post Office
BCT · Marsh Gibbon
Post Office
BCT · Marsh Gibbon
Tomkins Lane
BCT · Marsh Gibbon
English Indices of Deprivation 2025 for Buckinghamshire 004A, 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
23,125 of 33,755
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.
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.
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.
7 open schools are in scope, including 5 primary and 1 secondary schools. Marsh Gibbon CofE Primary School is the nearest published school at 1.4 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
2 published events cover 12 months, averaging 0.167 events per published month. The largest recorded category is Violence and sexual offences with 2 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.