Skip to main content
CrashStats

Serious B304 crash in Kensington and Chelsea on 21 October 2025 at 15:59 involving a Yamaha GPD motorcycle

A Yamaha GPD motorcycle and a Piaggio MP3 motorcycle were involved in a crash on the B304 in Kensington and Chelsea at 15:59 on Tuesday 21 October 2025. The 39-year-old male rider of the Yamaha GPD motorcycle was seriously injured and the 54-year-old male rider of the Piaggio MP3 motorcycle was slightly injured.

It happened in daylight in fine weather on a dry dual carriageway with a 20 mph limit, away from any junction.

Severity
Serious
Date
21 Oct 2025
Tuesday, 15:59
Vehicles
2
Yamaha GPD and Piaggio MP3
Casualties
2
1 seriously injured, 1 slightly injured

Location of the crash

Police recorded the crash at latitude 51.48791, longitude -0.16906, in the SW3 postcode district and within the built-up area of Kensington and Chelsea. It is one of the crashes that make up the Chelsea Riverside, Kensington and Chelsea, SW3 5NP area accident hotspot.

Map of where the crash happened in Kensington and Chelsea

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 1 crash
  • Serious

Collision details

Basic information

Reference
2025010604925
Council area
Kensington and Chelsea
Police force
Metropolitan Police
Police attended the scene
Yes

Road and location details

First road class
B
First road number
304
Road type
Dual carriageway
Speed limit
20 mph
Urban or rural
Urban
Trunk road
Non-trunk road

Junction information

Junction type
Not at junction or within 20 metres

Pedestrian crossing information

Crossing facilities
Pedestrian phase at traffic signal

Environmental conditions

Light conditions
Daylight
Weather
Fine, no high winds
Road surface
Dry

Enhanced collision data

Serious injury band
Less serious
How severity was recorded
From injuries recorded by police (CRASH system)
Estimated chance it was serious
100%
Estimated chance it was slight
0%

The 6 nearest recorded crashes

The nearest, at the same spot, was a serious injury crash on 2 November 1985.

Vehicles involved (2)

  • Vehicle 1: Yamaha GPD

    Motorcycle 125cc and under

    Manoeuvre
    Turning right
    Travelling from
    North
    Travelling to
    South West
    Position at junction
    Not at or within 20 metres of junction
    First point of impact
    Offside
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Male
    Driver age
    39 years
    Engine capacity
    125 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    20 to 30% most deprived
    Distance from driver's home
    10 to 20 km

  • Vehicle 2: Piaggio MP3

    Motorcycle 125cc to 500cc

    Manoeuvre
    Going ahead
    Travelling from
    North
    Travelling to
    South
    Position at junction
    Not at or within 20 metres of junction
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Personal business or leisure
    Driver sex
    Male
    Driver age
    54 years
    Driver home area deprivation
    40 to 50% most deprived
    Distance from driver's home
    Within 5 km

Casualties (2)

  • Casualty 1: Rider

    Serious

    Male, aged 39, motorcyclist (125cc and under), on vehicle 1 (Yamaha GPD)

    Serious injury band
    Less serious
    Home area deprivation
    20 to 30% most deprived
    Distance from home
    10 to 20 km

  • Casualty 2: Rider

    Slight

    Male, aged 54, motorcyclist (125cc to 500cc), on vehicle 2 (Piaggio MP3)

    Home area deprivation
    40 to 50% most deprived
    Distance from home
    Within 5 km

Data source

This record comes from the Department for Transport’s road safety data (STATS19), in which police forces in Great Britain record every road crash reported to them where someone was injured. It is reference 2025010604925 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Kensington and Chelsea road accident statistics for 2025.