You can research a Sydney property in full depth with an Information Brokers Comprehensive Property Report. It is packed with information, including all sales results, a walk score (proximity to shops and public amenities), a safety score, a look at individual property prices and trends in the past, a report on the history of a specific address, and if the government has authorised planning permits that will determine the property's worth in the future. It will leave you in the best position to make an informed purchase decision.
Information Brokers is a trusted property reporting agency, authorised and highly regarded by ASIC and auDA.