A 43-year-old woman has been arrested on suspicion of arson with intent to endanger life after a front door was set on fire.
Emergency services were called to Chapel Street, Galgate, at 10.50pm on Thursday, after reports of a woman trapped inside a burning house.
When they got there, the woman was found uninjured and the door was found on fire around the letter box.
Investigations are underway, but it is believed that accelerants were used to start the fire. Damage totalling £600 was caused.
The 43-year-old woman has been taken into police custody for questionning.