The number one question Adelaide homeowners ask before calling a painter is simple: how much is this going to cost? And it’s a fair question. Painting quotes in Adelaide vary significantly not because painters are inconsistent, but because the scope of work varies enormously depending on your home’s size, surface condition, and what you actually need done. This guide breaks down realistic house painting costs in Adelaide for 2026 interior, exterior, and roof by room type and home size, with honest ranges based on what Adelaide homeowners are actually paying right now. No best-case estimates. No bait-and-switch pricing. Just a practical starting point for your budget.