
A new coat of exterior paint is required on most Adelaide homes every 7 to 10 years. How long it takes depends on how much sun your walls get, how near you are to the shore, the type of surface, and the quality of the last paint job.
If you know what affects your paint, you may wait up to fifteen years before you have to paint again instead of seven.
Adelaide's weather is harsher on paint than most people imagine. Bright sunshine bleaches colours and degrades paint film. In hot summers (typically over 35°C) paint expands and contracts. Adelaide's seasons have a direct effect on how paint cures and lasts — paint applied in the wrong conditions won't bond properly, regardless of quality. If the paint is put on incorrectly, it can peel on chilly damp winter mornings.
If you are near the seaside, the salty air can speed up the rusting of metal and harm timber that is not covered.
Paint remains on different surfaces for varied durations of time:
North- and west-facing walls deteriorate faster than others. That's why professional painters in Adelaide generally recommend repainting the sunniest sides a few years before repainting the entire property.
For heritage homes — bluestone, sandstone, Federation and pre-war properties — these timelines can be shorter because older lime renders and solid brick respond differently to UV and moisture than modern substrates. Learn more about heritage painting in Adelaide.
Before the situation escalates, look out for these signs:
Catching these signs early makes preparation simpler and your new paint job will last longer.
Three things make the biggest difference:
Any painter who skimps on cleaning, sanding and priming is reducing the longevity of the finish, no matter what paint they use. Thorough preparation is where most lasting quality is made or lost — and it's the step most often cut short by less experienced contractors.
There are specific coatings for problem surfaces — such as heritage render or heritage masonry — and lower-grade paints will not survive as long as premium acrylics like Dulux and Haymes. Choosing the wrong product for a heritage substrate, for instance, can trap moisture and cause spalling within a few years.
A gentle wash every 12 to 18 months removes salt, pollen and grime that would otherwise degrade the paint film. This is especially important for properties near the coast or under heavy tree cover.
Most homes need repainting every 7 to 10 years, but if you live near the coast or have walls that get heavy sun exposure, you may need to do it sooner. If the surface is chalking, peeling or cracking, it must be properly prepared beforehand, or the new paint will fail within a year or two.
Yes. Lighter colours reflect more UV and heat, which means the paint film lasts longer. Dark colours look striking, but they tend to wear out more quickly — especially on north- and west-facing walls.
The difference lies in the preparation, the products, and how the paint is applied. A well-prepared surface using premium exterior acrylic applied at correct film thickness will routinely outlast a rushed, lower-cost job by five years or more.
Yes — significantly different. Heritage properties in Adelaide require breathable paint systems, lead-safe preparation, and often period-appropriate colour schemes. See our full guide on heritage home painting in Adelaide for a detailed breakdown by property type.
If your Adelaide home is showing chalking, peeling, or fading — or if it's simply been more than seven years since the last coat — now is the time to book an assessment.
AJ Blunt Painting has been protecting Adelaide homes since 1982. Every job includes proper surface preparation, premium acrylic systems suited to your surface type, and a 5-year workmanship warranty. We turn quotes around within 24 hours.
Call us on 0403 584 491 or book a free site visit online.