London Fire Brigade (LFB) was known as to the scene in North End Road shortly before 3pm on Thursday.
Firefighters arrived to discover a sixth-floor flat ablaze, and coming into the property discovered somebody inside it.
They had been tragically pronounced dead at the scene.
The fire was under management by shortly after 4pm. An LFB spokesperson said: “Half of a flat on the sixth floor was damaged.”
The reason behind the fire just isn’t but recognized however an investigation is underway.