The Prime Minister is expected to visit northern New South Wales on Monday.
Malcolm Turnbull and NSW Premier Gladys Berejiklian are likely to have a look at the damage in Lismore and Murwillumbah, where the floodwaters are starting to recede.
Residents were given the all-clear to return on Sunday afternoon.
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Ms Berejiklian said emergency services were on standby with equipment to drain water and hose down buildings but cautioned residents to remain vigilant.
“We know it’s very frustrating and people want to get back to their homes,” she said yesterday.
“In some places the water has receded, but please heed the warnings… This is a massive, massive natural disaster.”
At least four have died as a result of ex Tropical Cyclone Debbie.
Father-of-three Matthew Roser reportedly suffered a a panic attack and stopped breathing at his Murwillumbah home on Friday.
A 36-year-old woman also disappeared from a flooded property at South Murwillumbah on Friday morning.