A computer and keyboard were stolen from business premises in Hathersage, by a burglar who forced open a window to get inside.
Police said the Heather Lane property was targeted on Wednesday, January 8.
Officers want to hear from witnesses to the offence, which happened at about 10pm.
Two men were seen driving off in the direction of the station as the security alarm system was activated.
They were in a metallic red Rover, with alloy wheels and a body kit to the front.
n Anyone with information should call police on 101.