Interest rate increase – Thursday 5 February: Following the RBA’s decision to change the official cash rate, interest rates for owner‑occupier and investor variable loans will increase by 0.25%, effective 19 February 2026. From 19 February 2026, deposit rates across the majority of savings products will also increase by 0.25%. Find out more.
The terms ‘fixed price’ and ‘cost plus’ refer to the method by which the cost of the construction is determined.
A fixed price contract, also known as a ‘lump sum’ contract, is a contract in which the borrower and the builder agree on a set price for the construction of the home. The builder takes on the risk if costs of materials rise beyond the costs estimated when providing the tender to the borrower for acceptance.
Borrowers should read their building contracts carefully and ensure that they are vetted by a solicitor if there is anything that is not understood before signing.
Not all banks will consider finance for a “cost plus” contract due to the variable nature of the construction costs.