Green home loans are designed to support the construction and purchase of energy-efficient homes.
In Australia, many lenders offer discounted interest rates or financial incentives for homes that meet specific sustainability criteria — including achieving a 7-star NatHERS rating or higher.
This article explains how green home loans work, whether your project may qualify, and what to consider before applying.
A green home loan is a type of mortgage offered to borrowers building, buying or upgrading an energy-efficient home.
These loans are typically linked to measurable performance criteria, such as:
In return, lenders may offer reduced interest rates or additional incentives.
In many cases, yes.
Most green home loan products require a home to meet a recognised energy performance benchmark. A 7-star NatHERS rating, now the minimum standard under the National Construction Code (NCC 2022), is commonly used as a baseline.
However, requirements vary between lenders. Some may accept:
It’s important to confirm criteria with your chosen lender early in the process.
Green home loans are designed to reward better-performing homes.
Typical benefits may include:
While the financial benefits vary, the long-term value often comes from combining lower energy costs with improved building performance.
To qualify for a green home loan, your project will usually need to demonstrate measurable energy performance.
This may include:
Because these requirements are linked to your design, it’s important to consider them early — not after plans are finalised.
Green home loans can be a valuable option, but they are not always the best fit for every project.
Before choosing a lender, consider:
Each lender defines “green” differently, so reviewing the details is essential.
Your NatHERS rating does more than support compliance — it can also influence financing options.
Understanding your projected rating early in the design process can help you:
Green home loans are one of the ways energy performance is increasingly influencing residential building in Australia.
While not required, they can provide additional value when aligned with a well-performing design.
If you need to understand your NatHERS rating, requirements and costs:
→ 7 Star NatHERS Certificate — what you need to know