Once that space has been allocated, it can’t be used by visitors. Wouldn’t that be a breach of the approval conditions and hence illegal?
If a certain number of visitor spaces were designated in the approved DA, then it would be a breach. Also, the strata committee or OC has just handed a gift to one owner of a valuable piece of real estate which is incompetence at least and corruption at worst. Someone needs to tell them to pull their heads in. If they don’t, run a section 232 through Fair Trading for mediation and see if they like the idea of NCAT sifting through their decisions.