Fire crews and police were called to the Groom Street site about 1am, where they found a large wooden shed engulfed in flames.

The fire was extinguished, but not before it has destroyed the structure, which is believed to be more than 100 years old.

Police say early investigations point to the fire being suspicious.

Anyone with any information is asked to contact police on 131 444 or Crime Stoppers on 1800 333 000.