HP21 postcode district road traffic accidents
The HP21 postcode district recorded 804 collisions in the STATS19 data between 1999 and 2025, involving 993 casualties. Of these collisions, 4 were fatal and 71 were serious. Recorded collisions in 2025 were down 17% on 2024.
Severity Breakdown
- Fatal
- 4
- Serious
- 71
- Casualties
- 993
- Fatal
- 4
- Serious
- 71
- Casualties
- 993
Collisions by Year
Areas covering HP21
Towns in HP21
Roads in HP21
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the HP21 postcode district
Road collision statistics for the HP21 postcode district
Collisions recorded
804
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
993
Casualties recorded across every collision in this area.
Fatal collisions
4
Collisions in which at least one person died.
Serious collisions
71
9.3% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the HP21 postcode district
Collisions in the HP21 postcode district are most frequently recorded on a Friday (17.5% of the total), with 25.2% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
79.1% of recorded collisions in the HP21 postcode district happen on a single carriageway. Around 17.7% were recorded in adverse weather such as rain, snow or fog.
The collisions in the HP21 postcode district have produced 993 casualties. Pedestrians account for 16% of those casualties, a marker of the risk to people on foot here.
Collisions by day of the week
Collisions by day of the week: Sunday 80 collisions, Monday 130 collisions, Tuesday 114 collisions, Wednesday 122 collisions, Thursday 126 collisions, Friday 141 collisions, Saturday 91 collisions.
Light conditions
Light conditions: Daylight 601 collisions, Darkness 203 collisions.
Road type
Road type: Single carriageway 636 collisions, Roundabout 150 collisions, Dual carriageway 5 collisions, Unknown 5 collisions, Slip road 3 collisions, One way street/Slip road 3 collisions, One way street 2 collisions.
Speed limit at the scene
Speed limit at the scene: 30 mph 696 collisions, 40 mph 71 collisions, 50 mph 24 collisions, 60 mph 13 collisions.
Weather at the time
Weather at the time: Fine no high winds 649 collisions, Raining no high winds 95 collisions, Other 22 collisions, Fine + high winds 13 collisions, Unknown 12 collisions.
Who was hurt
Who was hurt: Driver or rider 646 casualties, Passenger 188 casualties, Pedestrian 159 casualties.
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Recent Accidents
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SlightFrequently asked questions about road accidents in the HP21 postcode district
How many road accidents have there been in the HP21 postcode district?
804 collisions have been recorded in the HP21 postcode district in the STATS19 road safety data between 1999 and 2025, involving 993 casualties.
How many of the collisions in the HP21 postcode district were serious or fatal?
4 were fatal and 71 were serious — 9.3% of all recorded collisions in the HP21 postcode district resulted in a death or serious injury.
When do most road accidents happen in the HP21 postcode district?
Friday is the most common day for collisions in the HP21 postcode district, accounting for 17.5% of them, and 25.2% of all collisions here happen in darkness.
What kind of roads do collisions in the HP21 postcode district happen on?
79.1% of collisions in the HP21 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the HP21 postcode district?
Pedestrians make up 16% of the 993 casualties recorded in the HP21 postcode district.
Is road safety in the HP21 postcode district getting better or worse?
Recorded collisions in the HP21 postcode district fell 17% in 2025 compared with 2024, though year-on-year figures move with both genuine risk and changes in reporting.
Where does the road accident data for the HP21 postcode district come from?
It comes from STATS19, the official record of personal-injury road collisions reported to the police and published by the Department for Transport. The figures for the HP21 postcode district cover 1999 to 2025.