Re-Roofing Cost Calculator
Estimate the cost to re-roof a home in Australia, including converting an old tile roof to Colorbond. Enter the roof area and choose the conversion.
Your re-roofing details
Your estimate sits within the typical range.
Your estimate sits within the typical range.
Where the money goes
Estimated breakdown for your configuration
Tile-to-Colorbond conversion costs a little more due to batten work, but gives a lighter, lower-maintenance roof.
Ways to save
- Like-for-like metal replacement is the cheapest re-roof.
- Add insulation/sarking while the roof is off, far cheaper than retrofitting later.
How we estimate this
Re-roofing in Australia typically costs $70–$120 per square metre in 2026. Converting an old tile roof to lightweight Colorbond is popular and usually costs a little more than a like-for-like replacement because of batten work.
Pricing reviewed: October 2026.
Re-roofing prices by city
Costs vary by city. See the local breakdown for your capital.
Doing more than just re-roofing?
Build a combined estimate across every part of your project in one place.
Pricing reviewed October 2026. Indicative Australian costs, not a quote.
Understanding re-roofing costs in Australia
Re-roofing in Australia typically costs $70–$120 per square metre in 2026. Converting an old tile roof to lightweight Colorbond is popular and usually costs a little more than a like-for-like replacement because of batten work.
Adding insulation, new guttering and removing any asbestos increases the cost. A lighter metal roof can reduce structural load and is faster to install.
Frequently asked questions
How much does re-roofing cost in Australia?
Re-roofing typically costs $70–$120/m² in 2026. Converting tile to Colorbond costs a little more than like-for-like due to batten work.
Is it worth converting a tile roof to Colorbond?
Many homeowners convert for a lighter, lower-maintenance roof that’s faster to install. It costs slightly more upfront but can reduce structural load.
Do I need approval to re-roof?
Like-for-like re-roofing is often exempt, but changing material or in heritage areas may need approval. Check with your council.
Are you a roofing business?
Everyone on this page is working out what re-roofing costs because they are ready to hire. Put your business right beneath the calculator, in your state, so you are who they find. From $100/mo.