Firefighters were called to a car alight on Headstone Road in Harrow.
One car was destroyed by fire. There were no reports of any injuries.
There were road closures in place whilst crews worked to make the scene safe and remove the vehicle.
The Brigade’s 999 Control Officers took 10 calls to the blaze.
The Brigade was called at 1215 and the fire was under control by 1242. One fire engine from Northolt Fire Station attended the scene.