Most of the houses he had built were holiday homes, including for clients from Boston, Melbourne and Sydney.
Adams said he was contacted by a couple of previous clients who had expressed interest in rebuilding almost the same house.
"They're wanting it rebuilt but with different landscaping.
"You have to get rid of that fuel source ... the wilding pines, the long grass."
He had been at Lake Ōhau days before the fire, and said wind had been an issue.
"We poured the concrete for the garage and it was blowing a gale; it had been for weeks."
He first heard of the fire while in Oamaru, and was told a caravan parked next door to the house he was building was still standing, but had buckled and paint had peeled.
"I'm not sure how it survived."
The house he was building, which was insured, would take some time to complete but a frame was arriving this week.
"My daughter's an architect and she designed it. It's got quite a bit of work.