Colorbond Roof Replacement Cost Calculator & Price Guide
Use this Colorbond Roof Replacement Cost Calculator & Price Guide to estimate your colorbond roof replacement cost in AUD based on roof size, profile, pitch and optional extras. For Australian homeowners, colorbond roofing price typically starts from about $75/m² installed for Corrugated Colorbond and can reach around $135/m² for Longline 305 before pitch changes, repairs or add-ons are applied.
Estimate Colorbond roof replacement cost
Supply-and-install midpoints for Australia. Rates include tear-off of an existing Colorbond or metal roof, new battens, and installation. Tile roof removal is an optional add-on.
Set to 0 to exclude.
- Surface:
- $13,500
Estimates are indicative only. For an accurate price, get free quotes from local tradies above.
Colorbond Roof Replacement Price Breakdown
Typical job based on 180 m². Prices are supply-and-install midpoints — actual quotes will vary.
| Type | Cost per m² | Typical 180 m² job |
|---|---|---|
| Corrugated Colorbond | $75 | $13,500 |
| Trimdek / Spandek | $90 | $16,200 |
| Kliplok (concealed fix) | $115 | $20,700 |
| Longline 305 | $135 | $24,300 |
What Affects Colorbond Roof Replacement Cost?
- Roofing profile selected: The biggest driver of colorbond roofing cost is the profile you choose. Corrugated Colorbond is priced at $75/m², Trimdek / Spandek at $90/m², Kliplok at $115/m² and Longline 305 at $135/m² installed at the default medium pitch.
- Roof area: This calculator is area-based, so larger roofs cost more because the per-square-metre rate is applied across more surface. A typical 180 m² job will cost more or less depending on the chosen profile and any extras.
- Roof pitch and access difficulty: Pitch changes the install cost by applying a multiplier to the base roofing and repair cost. Low pitch roofs use ×0.9, medium pitch uses ×1, and steep roofs use ×1.35, so steeper roofs are noticeably more expensive to reroof in Colorbond.
- Repairs and replacement extras: If the roof base needs repair, add $25/m² before the pitch multiplier is applied. Common extras also affect the final cost, including tile roof removal for $3,500, fascia and barge board replacement for $4,200, and new gutters for $3,200.
Colorbond Roof Replacement Cost - Frequently Asked Questions
For a typical 180 m² roof at medium pitch, installed pricing starts at $13,500 for Corrugated Colorbond, $16,200 for Trimdek / Spandek, $20,700 for Kliplok and $24,300 for Longline 305. The displayed estimate range is usually shown at ±20% around the midpoint. If the calculated total is very small, the minimum job charge is $8,000 AUD.
At the default medium pitch, Colorbond roofing cost per m2 installed is $75/m² for Corrugated Colorbond, $90/m² for Trimdek / Spandek, $115/m² for Kliplok and $135/m² for Longline 305. If the roof base needs repair, add $25/m² before applying the roof pitch multiplier. Low pitch uses ×0.9 and steep pitch uses ×1.35.
If base repairs are required, add $25/m² to the selected roofing rate, then apply the pitch multiplier. On a 180 m² medium-pitch roof, that means adding $4,500 before any optional extras. For example, Corrugated Colorbond with repairs would be $18,000 at medium pitch before items like gutters or fascia replacement.
To replace a tiled roof with Colorbond, start with the installed roofing rate for your chosen profile and add $3,500 for tile roof removal. For a 180 m² medium-pitch roof, that means totals from $17,000 for Corrugated Colorbond up to $27,800 for Longline 305 before any repair work or other extras. This is why the average cost to replace tile roof with colorbond is often higher than a like-for-like metal reroof.
Add $3,200 for new gutters and $4,200 for fascia and barge board replacement on top of the reroofing cost. For a 180 m² medium-pitch roof, Corrugated Colorbond would be $20,900 including both extras, while Longline 305 would be $31,700 before any base repair allowance. If tile removal is also needed, add another $3,500.
Pitch changes the roofing and repair component of the quote through a multiplier: low pitch is ×0.9, medium is ×1 and steep is ×1.35. Using a 180 m² Corrugated Colorbond roof as an example, the base installed cost is $12,150 at low pitch, $13,500 at medium pitch and $18,225 at steep pitch before extras. The same multiplier also applies to any $25/m² base repair cost.