WD4
Postcode districtPostcode district covering Kings Langley and Hunton Bridge, in Dacorum and Three Rivers.
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 WD4 postcode. How census figures are added up
Radon Affected Area by postcode district
Worked out by Open Index · 2022
About 100% of people in WD4 live in a 1 km square that the radon atlas marks as a radon Affected Area.
How WD4 compares
Each dot is a postcode district. The black line marks the middle one.
Is WD4 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in WD4 at a rate of 55.5 per 1,000 people.
That compares with 89.7 per 1,000 people across the WD postcode area.
In August 2026 alone, 65 cases of crime and anti-social behaviour were recorded in WD4.
In the 12 months to August 2026, the most common types were violence and sexual offences (254), other crime (113) and anti-social behaviour (111).
A year earlier, the recorded crime rate in WD4 was 59.4 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 WD4, neighbourhood by neighbourhood
- Deprivation is ranked by neighbourhood, so WD4 has no single figure. Of its 7 neighbourhoods with a rank:
- Decile 7: 1 neighbourhood
- Decile 8: 4 neighbourhoods
- Decile 9: 1 neighbourhood
- 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 WD4
| Name | People (census) | Recorded crime per 1,000 | Deprivation decile | Gigabit broadband |
|---|---|---|---|---|
| Dacorum 021C | 1,571 | 31.9 per 1,000 | 8 | 77.1% |
| Dacorum 022A | 1,960 | 65.5 per 1,000 | 8 | 90.7% |
| Dacorum 022B | 1,721 | 54.5 per 1,000 | 9 | 86.4% |
| Dacorum 022C | 1,607 | 54.6 per 1,000 | 10 | 97.2% |
| Three Rivers 001F | 1,483 | 64.8 per 1,000 | 8 | 57.7% |
| Three Rivers 001G | 1,235 | 87.6 per 1,000 | 7 | 73.8% |
| Three Rivers 003C | 2,102 | 48.3 per 1,000 | 8 | 80.5% |
MPs for WD4
- Mr Gagan MohindraConservativeMP for South West Hertfordshire77% of WD4’s postcodes
- David TaylorLabourMP for Hemel Hempstead20% of WD4’s postcodes
- Matt TurmaineLabourMP for Watford3.8% of WD4’s postcodes
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 WD41
Postcode sectors in WD43
Councils WD4 covers2
Towns in WD41
Postcode districts next to WD45
Nearest rail stations3
More in the WD postcode area2
WD4 in brief
WD4 is a postcode district covering Kings Langley and Hunton Bridge, in Dacorum and Three Rivers.
About 11,340 people lived in WD4 in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £575,000 in 2025 across 163 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 55.5 per 1,000 people in the 12 months to August 2026 (police.uk).
The median price paid for a home in WD4 was £575,000 in 2025.
WD4 had 11,155 usual residents at the census.
About 100% of people in WD4 live in a 1 km square that the radon atlas marks as a radon Affected Area.
In WD4, 81.4% of homes and businesses could get gigabit-capable broadband in January 2026.