Roof Replacement Cost Adelaide
A full roof replacement on a 200m2 single-storey Adelaide home runs $15,000-$30,000 for tile-to-Colorbond conversion. Asbestos removal adds $8,000-$15,000. Heritage replacement (slate, matched terracotta) starts at $35,000 and can exceed $80,000.
What drives the price
Roof material (Colorbond, Zincalume, tile)
Colorbond mid-range; tile higher; Zincalume cheapest
Roof size (m2)
Linear scaling
Single vs double storey
Double adds 25-40% for scaffold
Strip and disposal
Tile strip is heavier and costlier than metal strip
Asbestos removal
Adds $8,000-$15,000 if AC sheet present
Structural repair
Rotten timber, sagging rafters add $2,000-$10,000
Sarking and insulation upgrade
$8-$14/m2 - usually included
Heritage requirements
Slate or matched terracotta multiplies cost 2-3x
Marine-grade specification
Marine Colorbond +10-15% material premium
What pushes price up
- ↑Asbestos cement sheet roof requiring Class B removalist
- ↑Structural timber repair needed (rotten rafters, sagging)
- ↑Heritage requiring slate or matched terracotta
- ↑Double or triple storey
- ↑Coastal location (marine-grade material)
- ↑Bushfire-rated specification (BAL-FZ, BAL-40)
- ↑Complex roof with many valleys, hips, dormers
- ↑Difficult site access
What pushes price down
- ↓Standard single-storey suburban home
- ↓Like-for-like Colorbond replacement
- ↓Simple gable or hip-and-gable layout
- ↓Easy site access
- ↓Existing battens reusable
- ↓Off-peak winter scheduling
Per square metre
$80 - $140/m²
Multiply by your roof area for a rough estimate. Adelaide single-storey homes are typically 150-220m².
Common questions
Cost FAQs
If you're already doing a full re-roof, switching from tile to Colorbond doesn't add much - the labour to install Colorbond is faster than tile, but the strip and disposal costs are similar. The big benefit is reducing weight on older timber framing and getting solar-ready.
For like-for-like replacement on a non-heritage home, generally no. If your home is heritage-listed (common in City of Adelaide, Burnside, Unley, NPSP) or you're changing material on a heritage contributory property, you need development consent via PlanSA. For new structural roof builds, building consent applies.
Pre-1987 cement sheet (AC) roofs need a Class B licensed removalist. Add $8,000-$15,000 on top of the new roof installation for a typical small Adelaide home. The waste must go to an EPA-approved landfill (Wingfield, Inkerman, Highbury). This isn't a DIY-able category.
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