Seven fire crews were called to a large house fire near Horley.
Firefighters were dispatched to Old Barn Cottage in Broadfield Lane, Smallfield, at 12.09am today (Thursday April 10).
A West Sussex Fire and Rescue Service spokeswoman said firefighters tackled the blaze for three hours.
The fire service called South East Coast Ambulance Service to the scene just before 1am.
A SECAmb spokesman said two ambulance crews and a Hazardous Area Response Team attended the incident.
Paramedics checked over two people, including a woman approximately in her 60s who was treated for smoke inhalation.
No one required hospital treatment.