Police are investigating a house fire in Wagga Wagga yesterday.

About 7pm (Tuesday 28 July 2015), emergency services responded to reports of a house on fire on Johnston Street.

On arrival officers from Wagga Wagga Local Area Command found a home engulfed in flames.

The fire was extinguished by Fire & Rescue NSW.

The premise was unoccupied at the time and no one was injured during the incident.

A crime scene has been established and will be examined by specialist forensic officers.

At this early stage of the investigation the fire, which destroyed a heritage-listed home, is being treated as suspicious.

Investigators are appealing for anyone who witnessed the incident or has information that may assist with their inquiries to call Wagga Wagga Police Station on 02 6922 2599 or Crime Stoppers.