Granny flat arrangements are increasingly being used as a practical way for families to support ageing parents while addressing housing affordability and care needs. However, when Centrelink is involved, these arrangements are assessed under specific rules that can significantly impact Age Pension entitlements. It's important to understand the basics before proceeding.
Families often explore these arrangements for a combination of financial and personal reasons:
What is a granny flat arrangement (Centrelink definition)
In Centrelink terms, a granny flat arrangement is not about the physical structure. It refers to a “granny flat interest”, which is a right to live in a property for life.
This usually involves an older person transferring assets such as cash or property in exchange for a lifetime right to accommodation.
The five common types of granny flat arrangements
Centrelink generally recognises several ways these arrangements can be structured:
Each structure is assessed differently depending on the value exchanged and the legal rights created.
Centrelink and DVA assessment rules
Centrelink (and the Department of Veterans’ Affairs) assess these arrangements under a reasonableness tests:
Proper documentation is critical—informal family agreements can create serious issues during assessment.
What are the risks?
While these arrangements can work well, there are material risks:
Granny flat arrangements sit at the intersection of family law, property law, and social security rules. Small missteps can have long-term financial consequences.
We can assist you in understanding the Centrelink and social security rules associated with your Granny flat considerations.
Our Professional costs:
Granny Flat Meeting with Financial Calculations $2,200
We provide a Granny Flat meeting and a report covering the various Granny Flat scenarios you may be considering, including implications to Centrelink Age Pensions and cash flow. We outline the benefits and risks involved so you and your family can explore your options when considering a granny flat arrangement.
We do not provide a recommendation; we do not provide investment or tax advice. We provide strategy discussions based on consideration of Centrelink rules and cash flow variables.
Granny flat arrangements should not be entered into without legal advice. We work with your lawyer on the various outcomes and if you do not have a lawyer, we can refer you to a professional that works in this space.

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