Intruders were interrupted by police at an empty flat above the Sun Hotel in Gainsborough.
Police were called at around 4pm on Wednesday 5th March to a flat above the Sun Hotel in North Street, Gainsborough, and it was reported someone had heard broken glass and noises from inside.
On the arrival of the police two men made off from the property.
It is not yet known if anything was stolen.
Anyone with information is asked to contact the police on 101 or call Crimestoppers anonymously on 0800 555 111.