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How Much Does It Cost To Reroof A House In Colorbond

How Much Does It Cost To Reroof A House In Colorbond
DanielleDanielle
• Published: July 6, 2026
• Last Updated: July 6, 2026

Reroofing is one of those jobs you only think about when you have to, and the first thing on every homeowner's mind is the price. So how much does it cost to reroof a house in Colorbond? For a typical Australian home, a new Colorbond roof usually costs between $18,000 and $24,000, or roughly $90 to $150 per square metre supplied and installed. The exact figure swings with your roof size, pitch, access and what is being torn off first. We connect homeowners with experienced roofing contractors across Australia every week, so we see real Colorbond roof replacement costs land on real quotes. This guide breaks down the Colorbond roof cost in full, from the cost per square metre to removal, labour and the factors that move your final price, so you can budget with confidence and compare quotes like a pro.

How Much Does It Cost To Reroof A House In Colorbond?

Let us start with the headline number. Reroofing a house in Colorbond typically costs $18,000 to $24,000 for a mid sized home, which works out to around $90 to $150 per square metre for the full job. That price covers the Colorbond sheets, fixings, labour and a standard install, though it can shift up or down with the specifics of your roof. A larger or more complex roof costs more, a small, simple one less. Replacing an existing roof is also usually dearer than installing Colorbond on a new build, because the old roof has to come off first. As a significant investment that should last decades, Colorbond is still one of the more cost effective roofing materials over its life. Below we unpack exactly what makes up that figure so you know where every dollar goes.

Colorbond Roof Cost Per Square Metre

The clearest way to gauge your Colorbond roofing price is per square metre. Colorbond roofing costs between $90 and $150 per square metre installed, and your roof size is the single biggest driver of the total. Multiply your roof area by the rate and you have a solid ballpark: a 150 square metre roof at $120 per square metre comes to about $18,000 before extras. The Colorbond grade matters too, since Colorbond roofing materials come in various grades, with tougher coastal and ultra grades costing more than the standard product. A metal skillion roof or a simple gable is cheaper per square than an intricate design with many angles. Knowing your cost per square is the key to checking whether a quote is fair, which is why we always start there rather than with a single lump sum. Matching Colorbond wall cladding, if you add it, is priced the same way per square metre, so expect to pay toward the higher end for a coastal or ultra grade.

What Goes Into The Cost: Materials And Labour

A Colorbond roof cost breaks down into two main parts. Materials, including the Colorbond metal roofing sheets, sarking and roof blankets, horizontal battens, fixings and eave gutters, account for roughly 40 to 50 percent of the total. Labour makes up the other 50 to 60 percent, with roofing labour in Australia running $50 to $80 per hour. A full Colorbond install typically takes 2 to 5 days depending on roof size and complexity. Colorbond steel is built from five layers, including its tough metallic coating and the baked-on paint finish, which is part of why it lasts and why it is priced above the cheapest option. Quality sarking and roof blankets add a little upfront but boost energy efficiency and cut condensation, so they are worth including. When you read a quote, check that materials and labour are itemised separately, because that is how you spot whether a low price has cut corners on grade or insulation.

What Affects Your Colorbond Reroofing Cost?

Several factors move your final cost up or down. Roof size leads, since the job is priced per square metre. Roof complexity and design matter next, as a steep roof pitch raises labour costs for safety, and intricate roofs with many valleys, hips and angles need more custom fitting and coordination, sometimes with electricians for solar or vents. Site access is a big one: a tall, hard-to-reach or tightly packed property may need scaffolding or heavy lifting equipment, adding fees. Switching from tile roofs or concrete tiles to Colorbond can require structural adjustments, since the framing was designed for a different weight. Removing an old roof, especially an asbestos cement roof, adds cost and must be done safely. Finally, location counts, with regional variations and local demand shifting roofing costs by around 15 to 20 percent. This is exactly why two similar homes can receive quite different quotes, and why a proper on-site assessment beats any online guess.

Removing The Old Roof

One cost people forget is getting rid of the existing roof. Removing an old roof and disposing of the old materials typically adds $1,000 to $3,000 to a reroofing project, and that figure climbs if hazardous materials are involved. An asbestos cement roof, common on older Australian homes, must be removed by licensed professionals under strict rules, which significantly increases reroofing costs. Once the old roof is off, the structure underneath is exposed, and any structural problems like rotted timber or sagging rafters can be found and fixed before the new Colorbond roof goes on. It is far better to uncover and repair those issues now than to roof straight over them. A good roofing contractor will allow for removal and disposal in the quote, so make sure it is itemised rather than turning up as a surprise on the final invoice.

Why Choose Colorbond For Reroofing

Colorbond earns its popularity for good reason. A Colorbond roof can last up to 50 years and requires minimal maintenance, needing only a regular wash with fresh water to stay looking sharp, unlike tile roofs that need more upkeep. It is rust resistant and made from recyclable steel, and its Thermatech Solar Reflective Technology bounces the sun's heat to improve energy efficiency and keep homes cooler in sunny Australia, which can lower your cooling bills. Colorbond is also compliant in bushfire prone areas, being non-combustible, and stands up to heavy rains and the harsh Australian climate. On top of the performance, there is the look: Colorbond roof colour options run to more than 20 contemporary colours with strong aesthetic appeal, suiting everything from a modern build to a classic home. For long term performance and low maintenance, it is hard to beat, which is why so many homeowners choose Colorbond roofing when they reroof.

How To Save Money And Compare Quotes

Reroofing is a significant investment, so it pays to be smart about it. The single best move is to obtain multiple quotes, ideally three, and compare them on a like-for-like basis, since costs can vary 15 to 20 percent by location and contractor. Always request a fully itemised quote that lists materials, labour, and the removal and disposal of the old roofing, so nothing is hidden. Provide detailed information about your roof up front for the most accurate roofing quotes. Scheduling the job in a quieter season can sometimes save money, and choosing the right Colorbond grade for your area, rather than the most expensive, avoids overspending. It is also worth checking your insurance policies, since storm or structural damage to your current roof may be partly covered. A little homework here protects your budget without compromising on a quality professional roof installer or the long-term result.

Signs It Is Time To Reroof Your House

How do you know it is time to reroof rather than patch? A few signs make the call. Persistent leaks and water stains on ceilings, despite repairs, suggest the roof itself is failing. Widespread rust on an old metal roof, or many cracked and slipped concrete tiles, point to a roof past its best. An ageing roof over about 30 to 40 years old, sagging sections, or rising energy bills from poor roof cladding and insulation are all red flags. If you are facing repeated roof repairs every few years, the money is usually better put toward a full roof replacement in Colorbond. Reroofing before the old roof fails completely also avoids emergency callouts and interior damage. A quick inspection from a roofing professional will tell you honestly whether a repair will do or whether a new roof is the smarter spend.

Real Colorbond Reroofs From Our Network

Real reroofs show how the figure lands. In Port Macquarie, a coastal family reroofed their 170 square metre home in a coastal-grade Colorbond for about $22,000, including removal of the tired old metal roof, choosing the tougher grade for the salt air. In Mount Barker, South Australia, owners switched a cracked concrete tile roof to Colorbond, which needed minor structural adjustments to the framing for the lighter sheets and came to around $25,500 all up, removal included. And in Devonport, a heritage cottage with an asbestos cement roof paid a premium for licensed asbestos removal on top of the reroof, landing near $28,000, but finally had a safe, low maintenance roof rated for decades. Three reroofs, three different challenges, each quoted on the roof size, access and what had to come off first.

Conclusion And Your Next Step

So, how much does it cost to reroof a house in Colorbond? For most homes, budget $18,000 to $24,000, or $90 to $150 per square metre, with roof size, pitch, access and old roof removal moving the final price, and an asbestos cement roof or a switch from tiles adding more. It is a significant investment, but in Colorbond you get a rust-resistant, low maintenance, bushfire-compliant roof built to last up to 50 years, which makes it one of the most cost effective choices going. The key is an itemised quote from a professional roof installer who has seen your roof in person. When you are ready, we can help. Find a trusted local roofing contractor near you through Trade Heroes, compare reviews and real projects, and get accurate Colorbond quotes with no middleman and no commission. Find a roofing contractor in your area and reroof your home with confidence.

Frequently Asked Questions

Here are the questions our network hears most about reroofing in Colorbond.

How Much Does It Cost To Reroof A House In Colorbond?

For a typical Australian home, reroofing in Colorbond costs $18,000 to $24,000, or about $90 to $150 per square metre supplied and installed. Roof size is the biggest factor, while a steep or complex roof, difficult access, and removing an old or asbestos roof all add to the final cost.

How Long Does A Colorbond Roof Last?

A Colorbond roof can last up to 50 years with minimal maintenance, needing only a regular wash with fresh water. It is rust resistant, made from recyclable steel, and includes Thermatech Solar Reflective Technology for better energy efficiency, which makes it a durable, low-maintenance choice for the Australian climate.

How Long Does It Take To Reroof In Colorbond?

Most Colorbond reroofs take 2 to 5 days, depending on roof size, pitch and complexity. Removing an old roof, especially an asbestos cement roof that needs licensed handling, can add time. Your roofing contractor should give you a clear timeline along with an itemised quote before starting.

Is It Worth Switching From Tiles To Colorbond?

For many homeowners, yes. Colorbond is lighter, low maintenance, bushfire compliant and energy efficient. Switching from concrete tiles or terracotta does require structural adjustments to the framing for the lighter sheets, which adds some cost, but the long-term performance and lower upkeep often make it worthwhile.

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