
Police said the fire broke out at two Thai-style, two-storey teak houses at about 8.30am in Suphan Buri’s Bang Plama district.
The two houses were built next to each other on the banks of the Tha Chin River and belonged to the dead woman Fongchan Wongphan, 77.
Firefighters took about two hours to control the blaze with engulfed the properties.
The charred body of Fongchan was found in one of the gutted homes together with the charred carcasses of her dogs.
Suthep Sarai, head of Moo 3 village in tambon Khok Kham, told police Fonchan ran outside to call for help. During the commotion, she disappeared and was later found dead, he said.
Fongchan was single and lived alone.
She retired from teaching at Rajabhat Phetchaburi University.