Firefighters were called to an address on Milton Road, Sneyd Green, at around 5.50pm yesterday (Tuesday 5 April) following reports of a house fire.
Crews from Hanley, Newcastle and Sandyford attended as did paramedics and Staffordshire Police.
On arrival, crews found a fire in an upstairs bedroom at the property.
All persons were accounted for and no one was reported injured.
Three water pumps, a hose reel jet and one breathing apparatus were used to extinguish the fire.
A man in his 40s and two boys were treated by paramedics for smoke inhalation and taken to hospital for precautionary checks.
The fire was later deemed accidental as a result of a mobile phone charger being plugged in to an overloaded socket.
Crews made the area safe and left the scene at around 10.05pm yesterday (Tuesday 5 April).
Firefighters advise that in order to protect yourself and your home from the dangers of electrical fires, you should:
For more safety advice, visit: Electrical safety (staffordshirefire.gov.uk).