An empty business premises on Kerikeri's main street - until recently a branch of the ANZ Bank - has been extensively smoke damaged in a fire that could have levelled a block of shops.
The alarm was raised about 1.20am yesterday with two fire crews from the town responding and one each from Okaihau and Paihia.
Kerikeri fire chief Les Wasson said black smoke was billowing from the building's vents when firefighters arrived.
They smashed open the front doors and volunteers clad in full breathing apparatus went in to find the seat of the blaze.
No flames were visible and the building was heavily smoke-logged. Other firefighters managed to force the rear doors and started clearing the smoke.