If you’re weighing up a roof replacement, cost is usually the first question, and the honest answer is that it depends on your home. Roof size, pitch, access and the material you’re replacing all move the number significantly. The figures in this guide are general estimates only, intended to help with early budgeting – they are not a quote. The only way to get an accurate price for your home is a free on-site assessment.
What Affects the Cost of a Roof Replacement
Roof size and complexity The bigger the roof, the more material and labour required. Roofs with multiple valleys, hips or roof lines take longer to install than a simple two-slope design, which adds to the cost.
Pitch and access A steep or multi-storey roof requires more safety equipment and takes longer to work on safely than a low, easily accessible one. Difficult access can also mean additional scaffold hire.
Tear-off and disposal Removing and disposing of your existing roof adds to the total, and this varies significantly depending on the material. Tile roofs generally cost more to remove and dispose of than an existing metal roof.
Material and profile Colorbond is available in multiple profiles and over twenty colours. Profile choice and any additional features, such as increased insulation or a higher-grade coating for coastal areas, can shift the price.
Indicative Roof Replacement Costs (AUD)
The figures below are general market estimates for Melbourne’s eastern and south-eastern suburbs, provided to help with early budgeting. They are not a quote and should not be relied on as one — every property is different, and the only accurate price comes from an on-site assessment.
| Job Type | Typical Price Range (AUD)* |
| Colorbond re-roof — small home | $18,000 – $28,000 |
| Colorbond re-roof — standard 3–4 bedroom home | $22,000 – $38,000 |
| Tile-to-Colorbond conversion (incl. tile removal & disposal) | $28,000 – $55,000+ |
| Large or architecturally complex homes | $40,000 – $65,000+ |
Estimates only, based on typical projects in this region as of the time of writing. Actual pricing depends on your roof’s size, pitch, access, condition and material selection, and can only be confirmed with a free on-site assessment. This is not a quote.
Why Tile-to-Colorbond Conversions Cost More Upfront
A straight Colorbond re-roof and a full tile-to-Colorbond conversion aren’t the same job. Converting from tile involves removing and disposing of the existing tiles, and often assessing or adjusting the roof structure to suit lighter steel sheeting. That extra work means a higher upfront cost than replacing an existing metal roof – but it’s also why so many homeowners are making the switch, since Colorbond’s lighter weight, lower maintenance and modern finish deliver long-term value that ageing tile roofs can’t match.
Getting an Accurate Quote
The ranges above are a starting point for budgeting, not a fixed price. The only way to get an accurate figure for your home is a free on-site assessment, where roof size, pitch, access and material choice are measured and confirmed before any quote is provided.
Frequently Asked Questions
How is the cost of a roof replacement calculated?
Cost is calculated based on total roof area, pitch, access requirements, the material and profile selected, and the cost of removing and disposing of your existing roof. These figures are indicative only – a site assessment is the only way to get an exact figure.
Do I need a permit for a roof replacement in Melbourne?
Most straightforward roof replacements don’t require a council permit, though this can vary depending on your property and council. Your roof plumber can confirm what applies to your specific job.
Is a Colorbond roof cheaper than tile in the long run?
Colorbond typically costs more than tile upfront in some scenarios, but its lower maintenance requirements and longer effective lifespan mean it often works out more cost-effective over the life of the roof.
Get a Free Roof Replacement Quote
Costs vary from home to home, and the only way to know what your roof replacement will cost is a free on-site assessment. Contact us online for an accurate quote across Melbourne’s eastern and south-eastern suburbs.