Four fire engines and 21 firefighters and officers were called to a house fire in Brentford.
The occupants of the property in Ealing Road were alerted to the blaze by a smoke alarm. Members of the public also noticed smoke coming from the roof.
The fire is believed to have originated in the loft space. Part of the loft and its contents were damaged by fire.
Two women and a dog left the house before the arrival of the Brigade. There were no reports of any injuries.
The Brigade was called at 2007 and the fire was under control at 2211. Fire crews from Ealing, Chiswick, Richmond and Hammersmith fire stations attended the scene.
The cause of the fire is under investigation.