Firefighters dealt with flooding on Bath Road in Chiswick.
A water main burst, flooding several roads from Turnham Green Terrace to Emlin Road.
Crews worked with partners to protect homes and businesses using sandbags and diverting flood water.
The Brigade was called at 0849 and the incident was over for firefighters by 1300. Crews from Hammersmith and Chiswick fire stations attended the scene.