Big Sky Building Society

Big Sky Building Society has operated as a credit union since 1971.

It began as the BHP Employee’s Credit Co-operative, but adopted the Blue Sky name in the early 2000s after a series of mergers. In 2012 Big Sky became a subsidiary of Australian Unity and this partnership enables the mutually-owned credit union to offer health insurance products as well as financial services solutions to its members.

Big Sky is owned by members and offers a full range of banking and financial services products, including financial advice, savings accounts, credit cards and insurance products.

Big Sky Building Society home loan calculator  

Interested in a Big Sky Building Society home loan? RateCity has a suite of calculators that can show you what your repayments would be and how Big Sky Building Society compares to its competitors. Simply plug in your borrowing amount below. 

Big Sky Building Society may work for you if you're looking for:
  • Broad range of products.
  • Low ongoing fees.
  • Access to the RediATM nework.
Big Sky Building Society may not work for you if you're looking for:
  • No branch network.
  • No phone banking service available.
Big Sky Building Society customer service:

There is no branch network, but there is a customer service centre customers can phone and a live chat service online. Big Sky Building Society members are able to use the RediATM network of ATMS.

  • Customer service centre (phone)
  • Online banking
  • Email
  • Live Chat
  • Branch

Big Sky Building Society Home Loan Calculator

Mortgage Balance

Monthly Repayment

Interest Rate


Remaining loan term:

26 years and 8 months

Savings over 10 years

Advertised rate
Comparison rate*
Monthly repayment
Savings Over Years
Estimated upfront fees
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Big Sky Building Society Home Loans

How to Apply

You need to be a member of the Big Sky Building Society in order to take out a loan with them. You can apply online quite quickly and receive a response fairly fast. You will be required to supply the following:

  • Proof of income.
  • Proof of identity.
  • Proof of liabilities.
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