Four fire engines and around 25 firefighters attended a boat fire near Greenford Road in Greenford.
A derelict canal boat was destroyed by fire. There were no reports of any injuries.
The Brigade received the first of seven calls at 2058 and Control Officers mobilised crews from Southall, Ealing and Northolt fire stations to the scene. The fire was extinguished by 2222.
The cause of the fire has been recorded as undetermined.