South West residents were told to stay on high fire alert yesterday, even as emergency warnings were downgraded.
Two hundred firefighters continued to battle the out-of-control blaze affecting the shires of Nannup, Donnybrook-Balingup, Bridgetown-Greenbushes and Manjimup.
A watch-and-act alert remained in place for the town of Greenbushes and areas south to Dalgarup plantation and for the Kin Kin area and Andrew and Cardac State forests in the shires of Manjimup and Nannup.
Community meetings were held yesterday with residents saying they feared for pets and property after many had been forced to flee their homes.
The fire, which was started by lighting, had burnt through about 3810ha by last night.
Greenbushes resident Christine King described her terror when she saw a "wall of smoke" bearing down on her Huitson Road home on Wednesday.
"I just got in my car and left and if I had waited any longer I don't think I would have got out at all," she said.
She was among dozens of residents who could not return home because of road closures.
"I just want to see if my animals are OK or even just to leave them some feed and get out again," Ms King said.
Marie Pratt, 64, said she was "petrified" when a firefighter came to her Greenbushes door and told her to leave immediately.
"I left my tea on the table and jumped in the car," she said.
She and her husband stayed the night in Bridgetown after they tried to return home but were told it was too dangerous.
"My husband slept in the car with the three dogs and I slept in the rec centre," Mrs Pratt said.
Department of Environment and Conservation deputy incident controller Roger Armstrong said two properties had been confirmed lost - including the heritage listed Southampton homestead. Southampton bridge had also been destroyed.
Western Power said electricity had been restored to 400 homes but about 25 properties in the Southampton area could be without power for several days.
DEC warned that smoke from the fires would affect the coast south of Perth and the metropolitan area.