Crowded House released their self-titled debut album 30 years ago and have sold over two million albums, five of which reached number one in the Australian charts.
The Finn brothers, Neil and Tim, have also gone on to pursue musical careers together and have released successful solo albums.
Up-and-coming artist Kirin J Callinan will open for the group at the special gig.
The celebrations also coincide with the re-issue of the band's six studio albums - Crowded House, Temple Of Low Men, Woodface, Together Alone, Time on Earth, Intriguer - and 1999's rarities album Afterglow, as deluxe editions.
"We are thrilled all seven of our albums are about to be reissued in all formats including vinyl, each one accompanied by a rich trove of rarities including writing demos and other unreleased musical curiosities, as well as new original artwork from my dear friend Nick Seymour," Neil Finn said.
"This has been many years in the making with much of the exhaustive listening, editing and remixing being done by the keeper of knowledge Jeremy Ansell in Auckland.
"It has been a labour of love for us and our mission all along was making a superlative quality, definitive document of Crowded House's unique history for all the fans who have given us their affection over the years."
Crowded House perform encore concerts at Sydney Opera House Forecourt on Friday, November 25 and Saturday, November 26.