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HP18 0SY

Postcode

A postcode in Buckinghamshire 010C, Grendon Underwood & The Claydons ward, Buckinghamshire.

This report describes the area around HP18 0SY, not any one home. Each figure is shown at the level it was published: the postcode, a 1 km square, the neighbourhood or the whole council, as its tag says.

Around HP18 0SY

Schools near HP18 0SY

Within 2 km, nearest first
SchoolDistanceLatest Ofsted outcome
Grendon Underwood School
Primary. 79% met the expected standard at KS2 (2024/25)
500 m
6 minutes on foot
School remains Good, February 2024

Distances are in a straight line. Councils and schools set catchments and admissions, which Open Index doesn’t map: the council’s schools pages. Ofsted outcomes are as published, each with its date; grades under different frameworks can’t be compared.

Recent sales near HP18 0SY

Latest sale at each postcode
  • £603,000Rumptons Paddock, HP18 0SNMarch 2026, detached, established, freehold90 m
  • £705,000Main Street, HP18 0STFebruary 2025, detached, established, freehold240 m
  • £300,000Shakespeare Orchard, HP18 0SQDecember 2025, terraced, established, freehold280 m
  • £135,000Saye & Sele Close, HP18 0SRSeptember 2024, flat or maisonette, established, leasehold340 m
  • £372,500Main Street, HP18 0SPMay 2023, detached, established, freehold490 m
  • £800,000Manor Gardens, HP18 0UTJuly 2025, detached, established, freehold590 m

HM Land Registry sales at nearby postcodes, by street and postcode only, never a house number. Sales take weeks to be registered. Every sale on the map

The neighbourhood: Buckinghamshire 010C

Everything about Buckinghamshire 010C
Deprivation score
12.5
Joint 11,681st least deprived of 33,755
MHCLG · England only
Median sale price
£385,000
Joint 9,448th most expensive of 31,750
Worked out by Open Index
Population
1,382
Joint 17,438th least populated of 46,844
ONS Census 2021 · 2021
Gigabit broadband coverage
77.4%
UK 87.8%
Ofcom · Jan 2026

The postcode district: HP18

Everything about HP18
Median sale price
£396,000
613th most expensive of 2,235
Worked out by Open Index
Population
22,568
1,313th most populated of 2,756
ONS Census 2021 · 2021
People in radon Affected Area squares
25%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
79.6%
UK 87.8%
Ofcom · Jan 2026

Your MP

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Where these figures come from

Counts, distances and walking times are worked out by Open Index from each layer’s published points and outlines, in a straight line from the postcode’s centre. Street names © OpenStreetMap contributors.