Ten fire tenders and 70 firefighters reached the spot Westbridge Road Tuesday night at 8 o’clock.
NS london fire brigade confirmed that a flat was destroyed by fire where a woman managed to escape before the arrival of the crew.
A woman and a child are taken to hospital by staff from the London Ambulance Service. 50 more people left the building before the brigade arrived.
Station Commander Pete Johnson said: “On arrival there was a lot of smoke coming from the top of a block of flats.
“There was also a lot of visible flame which prompted our controlling officers to call in large numbers.
“Firemen are working hard to control the fire. Many roads are closed at many places. “
As fire engines arrived and people were taken to the car park, flames started rising from the top floor, an eyewitness said.
“The firefighters got there quickly, thank goodness,” she said.
“I could hear the siren for a while which is not normal, then finally after my wash I turned off the light and saw the fire from my kitchen window.”
Authorities made 18 calls to control the fire, where personnel from Battersea, Fulham, Wandsworth, North Kensington and surrounding fire stations are fighting the fire.
An LFB spokesperson said the brigade was called at 8.02 pm and the fire was brought under control by 8.53 pm
The cause of the fire is under investigation.