They had suffered smoke inhalation after fire broke out in the kitchen of a house on Maylea Drive just before 6am today (Thursday).
Fire crews from Otley, Rawdon and Shipey attended and crews wearing breathing apparatus used a hose reel to tackle the fire.
A fire spokesperson confirmed that four people were taken to hospital suffering with smoke inhalation and that the house had working smoke detectors.
A fire investigation officer also attended the incident.