Fire destroyed the upper floor and also caused considerable damage to the lower floor area. Rescue officers were, however, able to save valuable contents from the building. However, the cost of damage is estimated to be some hundreds of thousands of euros.
Klostret is a historically significant building belonging to the Gallträsk manor estate.
The cause of the fire as yet unknown and no one has been injured in the blaze.
The wooden building designed by architect Bertel Jung was completed in 1907. It served as an academy for girls until 1943. The listed building, now owned by the city of Kaunianen, is in residential use.