CROOKS broke into a Kirby Cross home by smashing a conservatory window.
The burglars broke the window at the back of the house in Frinton Road.
They created a mess as they ransacked the property, but it is not yet known if anything was stolen in the raid.
It happened between 5pm on Sunday and 7.30am this morning.
Officers are appealing for information, particularly from anyone who spotted two males who loitering near the alleyway leading from Frinton Road through to Bemerton Gardens.
People should contact Det Con Roger Henderson on 101.