Irene Peel was adamant - she was not going into care.
"Mum always said, 'I'm not going into a nursing home'," daughter Liz Flanjak told 9News.
But with house prices skyrocketing, her options were limited.
The solution was a granny flat, just metres from her daughter's house.
"It's a win-win for us because she's close," Flanjak said.
"I know she's safe."
Pooling resources as a family is becoming increasingly common amid the nation's housing crisis, according to Shane Windsor from Hoek Modular Homes.
He said the most common request he gets is for two-bedroom granny flats with a kitchen and bathroom.
"They're combining resources as a family to essentially utilise the land that the family already owns," Windsor said.
This year, "dual living" is in the top 10 most searched keyword