Christchurch house fire in Dallington

A large house fire in the Christchurch suburb of Dallington is being treated as suspicious. Photo / George Heard

A large house fire in the Christchurch suburb of Dallington is being treated as suspicious.

Fire crews were called to a blaze on Avonside Drive, near Gloucester St, just before 3am.

The fire has since been extinguished.

A Fire and Emergency spokesperson said a fire investigator will arrive on the scene this morning.

The fire was near the corner of Gloucester St and Avonside Drive. Photo / Supplied

They say they're confident nobody was home at the time of the blaze.

Motorists are being diverted from the area.

Fire crews were called to a blaze on Avonside Drive, near Gloucester St, just before 3am. Photo / George Heard