Denham road traffic accidents
Denham recorded 77 collisions in the STATS19 data between 1999 and 2025, involving 101 casualties. Of these collisions, 1 was fatal and 12 were serious. Recorded collisions in 2025 were down 50% on 2024.
Severity Breakdown
- Fatal
- 1
- Serious
- 12
- Casualties
- 101
- Fatal
- 1
- Serious
- 12
- Casualties
- 101
Collisions by Year
Areas covering Denham
Roads in Denham
Postcode districts in Denham
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in Denham
Road collision statistics for Denham
Collisions recorded
77
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
101
Casualties recorded across every collision in this area.
Fatal collisions
1
Collisions in which at least one person died.
Serious collisions
12
16.9% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Denham
Collisions in Denham are most frequently recorded on a Monday (22.1% of the total), with 42.9% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
61% of recorded collisions in Denham happen on a dual carriageway. Around 15.6% were recorded in adverse weather such as rain, snow or fog.
The collisions in Denham have produced 101 casualties. Pedestrians account for 14.9% 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 11 collisions, Monday 17 collisions, Tuesday 9 collisions, Wednesday 15 collisions, Thursday 9 collisions, Friday 7 collisions, Saturday 9 collisions.
Light conditions
Light conditions: Daylight 44 collisions, Darkness 33 collisions.
Road type
Road type: Dual carriageway 47 collisions, Single carriageway 29 collisions, One way street 1 collisions.
Speed limit at the scene
Speed limit at the scene: 30 mph 22 collisions, 40 mph 14 collisions, 50 mph 11 collisions, 60 mph 21 collisions, 70 mph 9 collisions.
Weather at the time
Weather at the time: Fine no high winds 65 collisions, Raining no high winds 5 collisions, Other 3 collisions, Unknown 2 collisions, Raining + high winds 1 collisions.
Who was hurt
Who was hurt: Driver or rider 69 casualties, Passenger 17 casualties, Pedestrian 15 casualties.
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Recent Accidents
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SlightFrequently asked questions about road accidents in Denham
How many road accidents have there been in Denham?
77 collisions have been recorded in Denham in the STATS19 road safety data between 1999 and 2025, involving 101 casualties.
How many of the collisions in Denham were serious or fatal?
1 were fatal and 12 were serious — 16.9% of all recorded collisions in Denham resulted in a death or serious injury.
When do most road accidents happen in Denham?
Monday is the most common day for collisions in Denham, accounting for 22.1% of them, and 42.9% of all collisions here happen in darkness.
What kind of roads do collisions in Denham happen on?
61% of collisions in Denham are recorded on a dual carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Denham?
Pedestrians make up 14.9% of the 101 casualties recorded in Denham.
Is road safety in Denham getting better or worse?
Recorded collisions in Denham fell 50% 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 Denham 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 Denham cover 1999 to 2025.