Selling sex is legal as is soliciting in public and working indoors
No, brothels are decriminalised although subject to local planning regulations
Sex work regulation is very much in line with other forms of businesses.
UNDP et al (2012) Sex Work and the Law in Asia and the Pacific: Laws, HIV and human rights in the context of sex work, available at http://www.undp.org/content/dam/undp/library/hivaids/English/HIV-2012-SexWorkAndLaw.pdf Scarlett Alliance website Disorderly Houses Amendement Act 1995 - http://www.legislation.nsw.gov.au/acts/1995-53.pdf
Street-based sex work is legal in New South Wales, but is restricted in terms of how and when sex workers can solicit for clients and where sexual services can take place.