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Building Information Certificate (BIC) Applications - NSW
Get unauthorised works approved.
A Building Information Certificate (BIC) is basically council’s way of saying, “Yes, this building can legally remain as it is.”
It’s most often used when work has been carried out without formal approval, or when you’re buying or selling a property and want peace of mind that council won’t order demolition or alterations down the track.
Think of it as a clean bill of health for your building in the eyes of the council.
You’d typically need a BIC if you’ve bought a property with unauthorised works, you’ve made changes without approval, or your solicitor has flagged the need during a sale.
It’s also common for banks and insurers to ask for one. The main benefit is certainty as it protects owners and buyers from future compliance headaches.
As for approval viability, councils are generally reasonable if the structure is safe, compliant with the Building Code of Australia, and doesn’t pose any planning risks.
You’ll need to provide plans, certificates, or engineering reports to back things up. With the right documentation, most BIC applications in NSW have a strong chance of success.
StraightLine Planning can prepare your application today.
Get a quote.
Four examples where a Building Information Certificate (BIC) would be needed in NSW:


01
Granny Flats
A granny flat built without council approval that now needs to be legalised.
03
Garage Conversions
A garage converted into a living space without council consent.
02
Pergolas & Decks
A pergola or deck added to the backyard without a Development Application or Complying Development Certificate
04
Commercial Fitouts
An internal shop fit-out (like a cafe or salon) completed without the right approvals
Risks & Challenges
The Building Information Certificate (BIC) process can be challenging.
Applying for a Building Information Certificate (BIC) isn’t without its hurdles.
One of the biggest risks is that council may refuse the application if the building doesn’t comply with the Building Code of Australia, or if the works present health, safety or fire risks.
This can mean costly rectification works before approval is possible.
Another challenge is the amount of documentation required.
Councils often ask for architectural plans, engineering certifications, or compliance reports, which can take time and money to prepare.
There’s also the uncertainty of timing. Councils can take weeks or even months to assess a BIC, which can delay property sales or refinancing. If unauthorised works are extensive, the process may be more complex, with conditions attached to the approval.



















