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AE INDEX
Melbourne Renovation Cost Index
Renovation costs
Coburg 3058

What a renovation
costs in Coburg

Coburg spans two eras in a way few suburbs do — Victorian and Edwardian close to Sydney Road, then substantial post-war and mid-century housing further out. Which side of that line your house sits on matters more to your budget than the postcode does.

Indicative ranges

Rear extension
$255k – $345k

40 m², mid finish, one new wet area, mixed-era stock

Second storey
$410k – $555k

55 m², mid finish, one new wet area

Full renovation
$510k – $695k

120 m² internal, mid finish, kitchen and bathroom

Rates: Archicentre Australia CostGuide 2026 · GST inclusive
Site adjustments for Coburg conditions: AE Index

What drives cost here

Two housing eras, one postcode

Pre-1920 stock near Sydney Road carries the full restumping and rewiring allowance. Post-war housing further out carries almost none. Same suburb, roughly $26,000 apart before anything else is decided.

Merri-bek heritage precincts

Overlays cluster around the older streets and the former civic areas rather than covering the suburb. Check your address specifically.

Generous post-war allotments

The mid-century parts of Coburg have some of the widest blocks in the inner north. Side access is common, and it is worth real money.

Former industrial pockets

As in Brunswick, some land carries a light industrial history. A soil report early is far cheaper than a discovery mid-excavation.

Typical Coburg projects

ProjectWhy it costs what it doesRange
Rear extension to a Victorian near Sydney RoadFull pre-war allowance for restumping and services, plus tighter access on the older streets.$285k – $385k
Rear extension to a post-war homeWider block, good access, minimal work to the existing house.$235k – $315k
Second storey additionCost depends heavily on which era the existing footings belong to.$410k – $555k
Bathroom onlyBelow our minimum — referred to a single trade.$25k – $45k
Minimum project size. AE Index works on structural renovations and extensions from $150,000. Smaller jobs and single-trade work are referred on rather than quoted.
Your project, not an average

Two minutes, no phone call

Coburg is already selected. Answer eight questions and you will see an indicative range, the full calculation behind it, and what to ask any builder quoting the job.

Common questions

Why do Coburg renovation costs vary so widely?

Because the suburb spans two building eras. Pre-1920 housing near Sydney Road needs restumping, rewiring and re-plumbing — around $26,000 before anything else. Post-war housing further out generally needs none of it.

Does Coburg have heritage overlays?

In defined precincts rather than across the suburb, mostly around the older streets and former civic areas. A planning property report for your address will tell you definitively.

Is Coburg cheaper to renovate than Brunswick?

Usually, though the gap depends on your specific house. Coburg blocks are generally wider with better access, and a larger share of its housing is post-war, which reduces work to the existing structure.

What is not included in these ranges?

Landscaping and external works, appliances, furniture and window furnishings, council planning application fees, driveway reinstatement, and anything found once walls are opened. Design fees, engineering, building surveyor, permit levy and energy assessment are included.

Related

When you are ready to build

AE Index is not a building company. When a project is ready to be priced properly, we pass it to a builder from our verified network — who will walk the site, inspect what is under the floor, and put a fixed price in writing. We are paid a fee by them on work that proceeds, and you are under no obligation to use them.

  • Current domestic builder registration, confirmed with the Victorian Building Authority
  • Domestic building insurance current and sighted
  • Two completed projects contacted directly — not supplied testimonials
  • Fixed-price contracts with a written variations policy
  • Re-checked annually, and removed from the network on any lapse

Last updated 28 July 2026

AE Index publishes indicative cost data for Melbourne residential renovation. Estimates are budget-setting figures, not quotes, and assume a standard site with no undisclosed structural, drainage or contamination issues. Square-metre rates are drawn from the Archicentre Australia CostGuide 2026, an independently published Australian cost guide, and are GST inclusive. Site adjustments are AE Index's own and are labelled wherever they appear. AE Index refers projects to a builder from its verified network and receives a fee on work that proceeds.