A weatherboard home at Coleraine has been extensively damaged in a fire that has been deemed "not suspicious" by police.

Emergency services were called to the older weatherboard home at 5.15pm Friday in McLeod Street after neighbours saw smoke emerging from the rear of the property.

A Country Fire Authority spokesman said the service was notified at 5.35pm Friday to reports of a house fire at McLeod Street in Coleraine.

"On arrival crews found a structure fully involved with nobody inside," he said.

"The scene was declared under control at 6.06pm.

"Seven CFA vehicles were on scene from Warrnambool, Hamilton, Coleraine, Casterton and Hilgay Settlers brigades," he said.

Earlier: A weatherboard home at Coleraine has been extensively damaged in a fire that has been deemed "not suspicious" by police.

Emergency services were called to the older weatherboard home at 5.15pm Friday in McLeod Street after neighbours saw smoke emerging from the rear of the property.

By the time fire units from Coleraine, Casterton and Cavendish arrived the home was fully engulfed in flames.

A police spokeswoman said the cause of the fire was unknown but the cause was being viewed as not suspicious.

The occupants of the home were not at home when the fire started.

The residents were spoken to by police when they arrived back at their property and are now seeking alternate accommodation.

The structure was described as being extensively damaged.

"It's uninhabitable," the police spokeswoman said.

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