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HP18

Postcode district

Postcode district covering Berryfields and Long Crendon, in Buckinghamshire.

Approximate outline worked out by Open Index from the ONS Postcode Directory: each census output area belongs to the district that holds most of its postcodes. People, homes, recorded crime and broadband add up those output areas. House sales count every sale with an HP18 postcode. How census figures are added up

Open in map

Radon Affected Area by postcode district

Worked out by Open Index · 2022

Under 1%90% or more

About 25% of people in HP18 live in a 1 km square that the radon atlas marks as a radon Affected Area.

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

How HP18 compares

Each dot is a postcode district. The black line marks the middle one.

HP18Middle
Median sale price24 postcode districts, HP · 2025
Median sale price: every postcode district in HP24 areas from £295,000 to £990,000. The middle area is £481,938. HP18 is £396,000.
£396,0008th cheapest
Population24 postcode districts, HP · 2021
Population: every postcode district in HP24 areas from 6,767 to 45,502. The middle area is 18,862. HP18 is 22,568.
22,56811th most populated
People in radon Affected Area squares24 postcode districts, HP · 2022
People in radon Affected Area squares: every postcode district in HP24 areas from 9.0% to 100.0%. The middle area is 99.5%. HP18 is 25.0%.
25%4th fewest people in radon Affected Areas
Gigabit broadband coverage24 postcode districts, HP · Jan 2026
Gigabit broadband coverage: every postcode district in HP24 areas from 62.3% to 94.1%. The middle area is 80.9%. HP18 is 79.6%.
79.6%10th lowest

Is HP18 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in HP18 at a rate of 35.9 per 1,000 people.

That compares with 71.4 per 1,000 people across the HP postcode area.

In August 2026 alone, 71 cases of crime and anti-social behaviour were recorded in HP18.

In the 12 months to August 2026, the most common types were violence and sexual offences (450), other crime (193) and anti-social behaviour (82).

A year earlier, the recorded crime rate in HP18 was 36.1 per 1,000 people.

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.

Deprivation in HP18, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so HP18 has no single figure. Of its 15 neighbourhoods with a rank:
  • Decile 4: 1 neighbourhood
  • Decile 5: 2 neighbourhoods
  • Decile 6: 1 neighbourhood
  • Decile 7: 4 neighbourhoods
  • Decile 8: 4 neighbourhoods
  • Decile 9: 2 neighbourhoods
  • Decile 10 (England’s least deprived 10%): 1 neighbourhood

English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

Neighbourhoods in HP18

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Buckinghamshire 009C1,24339.9 per 1,000711.2%
Buckinghamshire 009D1,30442.2 per 1,000615.8%
Buckinghamshire 010A1,28722.6 per 1,000483.2%
Buckinghamshire 010B1,42924.1 per 1,000892.4%
Buckinghamshire 010C1,38246.7 per 1,000777.4%
Buckinghamshire 010D1,79536.4 per 1,000739.9%
Buckinghamshire 011D1,74228.0 per 1,000998.7%
Buckinghamshire 011E1,73932.5 per 1,000999.8%
Buckinghamshire 011F1,65532.6 per 1,000598.5%
Buckinghamshire 011G1,59239.0 per 1,000799.3%
Buckinghamshire 011H1,51181.4 per 1,000598.0%
Buckinghamshire 023A1,36342.9 per 1,000883.0%
Buckinghamshire 023B1,26120.3 per 1,0001096.6%
Buckinghamshire 023C1,79828.1 per 1,000895.4%
Buckinghamshire 023D1,13619.3 per 1,000894.7%

MPs for HP18

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

Middle areas in HP184

Postcode sectors in HP183

Council1

Towns in HP181

Postcode districts next to HP189

More in the HP postcode area2

HP18 in brief

HP18 is a postcode district covering Berryfields and Long Crendon, in Buckinghamshire.

About 24,846 people lived in HP18 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £396,000 in 2025 across 291 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 35.9 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in HP18 was £396,000 in 2025.

HP18 had 22,568 usual residents at the census.

About 25% of people in HP18 live in a 1 km square that the radon atlas marks as a radon Affected Area.

In HP18, 79.6% of homes and businesses could get gigabit-capable broadband in January 2026.