@dingo said:
According to this recent NCAT case shutters require a special resolution
https://www.caselaw.nsw.gov.au/decision/593787fbe4b074a7c6e165d3
I totally disagree. That is a highly selective reading of that case ruling and if you look at Item 12, it includes the wording of the act which lists non-major renovation with the phrase “not limited to …”.
In other words, just because internal shutters aren’t listed it doesn’t mean they are not allowed.
All the worst, all you have to do is get permission from the committee (delegated powers from a general meeting) which cannot be unreasonably withheld.