SW20 postcode district road traffic accidents
The SW20 postcode district recorded 1,585 collisions in the STATS19 data between 1999 and 2025, involving 1,895 casualties. Of these collisions, 13 were fatal and 206 were serious. Recorded collisions in 2025 were up 24% on 2024.
Severity Breakdown
- Fatal
- 13
- Serious
- 206
- Casualties
- 1,895
- Fatal
- 13
- Serious
- 206
- Casualties
- 1,895
Collisions by Year
Areas covering SW20
Towns in SW20
Roads in SW20
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the SW20 postcode district
Road collision statistics for the SW20 postcode district
Collisions recorded
1,585
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
1,895
Casualties recorded across every collision in this area.
Fatal collisions
13
Collisions in which at least one person died.
Serious collisions
206
13.8% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the SW20 postcode district
Collisions in the SW20 postcode district are most frequently recorded on a Friday (16.9% of the total), with 26.1% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
73.2% of recorded collisions in the SW20 postcode district happen on a single carriageway. Around 17.8% were recorded in adverse weather such as rain, snow or fog.
The collisions in the SW20 postcode district have produced 1,895 casualties. Pedestrians account for 15% 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 170 collisions, Monday 221 collisions, Tuesday 255 collisions, Wednesday 235 collisions, Thursday 260 collisions, Friday 268 collisions, Saturday 176 collisions.
Light conditions
Light conditions: Daylight 1,172 collisions, Darkness 413 collisions.
Road type
Road type: Single carriageway 1,160 collisions, Dual carriageway 216 collisions, Roundabout 110 collisions, One way street 31 collisions, Unknown 26 collisions, Slip road 21 collisions, One way street/Slip road 21 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 227 collisions, 30 mph 1,252 collisions, 40 mph 93 collisions, 50 mph 13 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,296 collisions, Raining no high winds 181 collisions, Unknown 57 collisions, Other 35 collisions, Fine + high winds 7 collisions.
Who was hurt
Who was hurt: Driver or rider 1,300 casualties, Passenger 311 casualties, Pedestrian 284 casualties.
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Recent Accidents
Showing 20 of 1,585 accidents
Accident 2024010491340
SlightAccident 2024010490607
SeriousAccident 2024010487678
SlightAccident 2023010483577
SlightAccident 2023010483540
SlightAccident 2023010481661
SlightAccident 2023010480632
SlightAccident 2023010480088
SlightAccident 2023010479809
SlightAccident 2023010474965
SlightAccident 2023010475256
SlightAccident 2023010474059
SlightAccident 2023010473248
SeriousAccident 2023010469108
SlightAccident 2023010470306
SlightAccident 2023010466249
SlightAccident 2023010465262
SlightAccident 2023010463919
SeriousAccident 2023010463863
SlightAccident 2023010459614
SlightFrequently asked questions about road accidents in the SW20 postcode district
How many road accidents have there been in the SW20 postcode district?
1,585 collisions have been recorded in the SW20 postcode district in the STATS19 road safety data between 1999 and 2025, involving 1,895 casualties.
How many of the collisions in the SW20 postcode district were serious or fatal?
13 were fatal and 206 were serious — 13.8% of all recorded collisions in the SW20 postcode district resulted in a death or serious injury.
When do most road accidents happen in the SW20 postcode district?
Friday is the most common day for collisions in the SW20 postcode district, accounting for 16.9% of them, and 26.1% of all collisions here happen in darkness.
What kind of roads do collisions in the SW20 postcode district happen on?
73.2% of collisions in the SW20 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the SW20 postcode district?
Pedestrians make up 15% of the 1,895 casualties recorded in the SW20 postcode district.
Is road safety in the SW20 postcode district getting better or worse?
Recorded collisions in the SW20 postcode district rose 24% in 2025 compared with 2024. Year-on-year figures move with both genuine risk and changes in reporting, so they are best read as a trend rather than a single verdict.
Where does the road accident data for the SW20 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 SW20 postcode district cover 1999 to 2025.