Eight fire engines and around 60 firefighters were called to a fire at a residential building on Wornington Road in Kensal Town.
The fire occurred at a seven-storey block of flats. Part of flat on an upper level was damaged by fire, with the remainder affected by smoke. Some partial damage was also sustained to the exterior of the building. One person was assessed at the scene by London Ambulance Service as a precaution.
Station Commander Scott Thorpe, who was at the scene, said: "The Brigade kept a presence in the area into the evening, with officers and our Community Engagement team supporting affected residents at a rest centre. Firefighter were also in the local community providing fire safety advice. Our Fire Investigation Team were also present carrying out an investigation into the cause of the fire."
The fire is being treated as accidental and the most probable cause of the fire was an unattended candle.
A London Fire Brigade spokesperson said: "Candles are one of the most common causes of fire. It’s really important that you never leave a candle unattended and keep them away from anything else that can easily catch alight.
“Consider using battery-powered, flameless LED candles instead, which are safe even if you fall asleep. Whilst they may cost more upfront than traditional candles, they will last considerably longer, giving you better value for money.
“If you do choose to use traditional candles ensure you place them in a heat-resistant holder, on a stable surface where they won’t be knocked over and away from materials that could catch fire. Never leave them unattended around your home, take particular care with children and pets and blow them out properly before you go to bed."
The Brigade received the first of eight calls about the fire at 1546 and Control Officers mobilised crews from North Kensington, Paddington, Kensington and surrounding fire stations to the scene. A 32-metre turntable ladder was also in attendance and deployed as an observation tower, providing the Incident Commander with a greater situational awareness of the fire.
The fire was brought under control by 1644.