Two appliances attended from the Harrogate Station and found a campervan that was well alight. The fire had also spread to the adjacent house.
Two hose reels, four breathing apparatus and a triple extension ladder was used.
The fire was quickly brought under control, although the van received 100% fire damage, while the house received 20% fire damage but 100% smoke damage.
Investigations are under way this morning over the cause of the fire.
A 51-year-old woman has been arrested on suspicion of arson. She is currently in police custody as enquiries continue. She suffered a non-serious burn to her hand and no other injuries.