Police are investigating a suspicious house fire at Mayfield overnight.

Emergency services were called to a residence in Hume Street just before 1am after reports of a fire.

Tasmania Fire Service contained the fire before an investigation determined it was deliberately lit.

Nobody was inside the house at the time and police are asking anyone with information to come forward.

Information can be provided by contacting Northern CIB on 131 444 or Crime Stoppers anonymously on 1800 333 000 or online at crimestopperstas.com.au