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UB9

Postcode district

Postcode district covering Harefield and Denham Green, in Buckinghamshire and Hillingdon.

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 UB9 postcode. How census figures are added up

Open in map

Gigabit coverage by postcode district

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In UB9, 79.3% of homes and businesses could get gigabit-capable broadband in January 2026.

Median sale price
£487,550
312th most expensive of 2,235
Worked out by Open Index
Population
15,660
1,044th least populated of 2,756
ONS Census 2021 · 2021
Gigabit broadband coverage
79.3%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
4.1%
UK 3.9%
ONS via Nomis · Aug 2026

How UB9 compares

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

UB9Middle
Median sale price10 postcode districts, UB · 2025
Median sale price: every postcode district in UB10 areas from £395,000 to £572,500. The middle area is £458,750. UB9 is £487,550.
£487,5504th most expensive
Population11 postcode districts, UB · 2021
Population: every postcode district in UB11 areas from 501 to 56,184. The middle area is 39,626. UB9 is 15,660.
15,6602nd least populated
Gigabit broadband coverage11 postcode districts, UB · Jan 2026
Gigabit broadband coverage: every postcode district in UB11 areas from 79.3% to 99.1%. The middle area is 92.7%. UB9 is 79.3%.
79.3%lowest
Claimant rate10 postcode districts, UB · Aug 2026
Claimant rate: every postcode district in UB10 areas from 3.7% to 7.7%. The middle area is 6.1%. UB9 is 4.1%.
4.1%2nd lowest

Is UB9 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in UB9 at a rate of 82.5 per 1,000 people.

That compares with 115.2 per 1,000 people across UB.

In August 2026 alone, 102 cases of crime and anti-social behaviour were recorded in UB9.

In the 12 months to August 2026, the most common types were violence and sexual offences (392), anti-social behaviour (268) and other crime (222).

A year earlier, the recorded crime rate in UB9 was 81.5 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 UB9, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so UB9 has no single figure. Of its 9 neighbourhoods with a rank:
  • Decile 3: 2 neighbourhoods
  • Decile 4: 1 neighbourhood
  • Decile 5: 3 neighbourhoods
  • Decile 6: 1 neighbourhood
  • Decile 8: 2 neighbourhoods

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

Neighbourhoods in UB9

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Buckinghamshire 059A2,31781.5 per 1,000566.8%
Buckinghamshire 059B1,22762.3 per 1,000889.2%
Buckinghamshire 059C1,91791.2 per 1,000579.2%
Buckinghamshire 059D2,014112.7 per 1,000886.3%
Hillingdon 003A1,44154.2 per 1,000675.7%
Hillingdon 003B1,54984.7 per 1,000579.2%
Hillingdon 003C1,58459.1 per 1,000493.6%
Hillingdon 003D1,601125.2 per 1,000358.8%
Hillingdon 003E1,62560.3 per 1,000395.1%

MPs for UB9

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 UB92

Postcode sectors in UB93

Councils UB9 covers2

Towns in UB91

Postcode districts next to UB98

Nearest rail stations4

More in the UB postcode area2

UB9 in brief

UB9 is a postcode district covering Harefield and Denham Green, in Buckinghamshire and Hillingdon.

About 15,809 people lived in UB9 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £487,550 in 2025 across 190 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 82.5 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in UB9 was £487,550 in 2025.

UB9 had 15,660 usual residents at the census.

In UB9, 79.3% of homes and businesses could get gigabit-capable broadband in January 2026.

In UB9, 4.1% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.