The Rural Fire Service has conducted a review of properties affected by Tuesday's fires at North Rothbury and Greta and found that just five homes have suffered fire damage.
RFS building impact analysis teams assessed 28 properties across the two suburbs in a combined report.
Five houses were damaged, along with three outbuildings and a facility, which is believed to be a transfer station.
Fifteen houses and four outbuildings were also assessed and found to be untouched by the fires.
Lower Hunter RFS public liaison officer Terry Burns said most of the damage was caused in North Rothbury as the Greta fire ran parallel to homes.
Mr Burns said the lack of damage in such ferocious fires was a testament to the hard work of firefighters and the preparations that went in to being ready for the "catastrophic" conditions.
"We planned for this day," he said.
"The response was always going to be big.
"We weren't sending two trucks, we were sending 10 straight up. They were there quickly and they did amazing work in the conditions."
Crews will monitor the Greta fire again on Friday as investigations continue into whether the blazes were deliberately lit.
A total fire ban will be in effect for the day with a severe danger rating set and an expected maximum temperature of 34 degrees.
"Crews are preparing themselves for potentially a really bad day," Mr Burns said.