The 85-year-old actress took to Twitter to thank the emergency services, after firefighters extinguished the blaze and paramedics attended to her at the scene.
“And thanks also to the [NHS London]...ambulance crew who took care of our smoke inhalation and comforted me.
“And the wonderful [Metropolitan Police] who who kept the street closed and everyone safe.”
“The remains of the day,” she wrote in the caption accompanying the post.
A spokesperson for the London Fire Brigade (LFB) said it was contacted at 4.28pm on Saturday.
Two fire engines and 10 firefighters attended the scene.
“Part of a flat on the first floor of the seven-storey building was damaged by the fire,” the London Fire Brigade said in a statement.
“Two people left the property before the brigade arrived.”
The cause of the blaze is still under investigation.
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