Police are appealing for information after two cars and an outbuilding were set on fire at a house in Dronfield.
Sometime between midnight and 9.30am on Saturday, March 2, a Renault Clio, a Citreon C3 and a large outbuilding were set alight at a property on Mill Lane, Unstone.
The fire was still smouldering when it was discovered by a passer-by who called emergency services at around 9.30am. The cars and outbuilding were completely burnt out.
Fire investigators believe the fire was started deliberately.
Officers would like to speak to anyone who has information about the fire.
Call Derbyshire police on 101 or Crimestoppers on 0800 555 111.