29/09/2026
Unauthorised building works in NSW are more common than people admit, and there's a proper path through them.
Bought a house with an extension that was never approved? Inherited a carport nobody has paperwork for? You're not stuck.
It's called a Building Information Certificate. The council assesses the existing work and, if it's sound, issues a certificate that stops them ordering you to demolish or alter it for 7 years.
One catch worth knowing before you lodge anything: a BIC limits council action, it doesn't retrospectively approve the work the way a DA or CDC does. That distinction matters if you're buying, selling or refinancing.
We apply through the NSW Planning Portal, usually with measured plans and reports of what's actually there.
Sorting this out before you commit is Decide work. Do it before contracts, not after.
Save this, or send it to someone mid-purchase who's just found something odd in the contract...
For a full plain-english explanation click the link below and head to the blog
https://vist.ly/5kdeh