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Emergency services were called to a kitchen fire at just after midday.
Two fire engines attended the blaze at Tudor Grove, Gillingham.
A woman, who was out of the property when firefighters arrived at 12.42pm, has been treated by one ambulance crew.
Rich Airy a spokesperson from South East Ambulance said: "The lady was treated for potential smoke inhalation and was discharged at the scene."
The crews entered the property and managed to extinguish the fire and clear the smoke within an hour.
The fire is believed to be an accident.