Builder / Extensions

Builder / extensions cost guide

See typical Builder / extensions pricing across Australia, what drives the quote up or down, then browse postcode pages for local ranges.

$1,500 – $25,000 per job (extremely wide range)
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This Builder / extensions cost guide helps homeowners understand what typical projects cost in Australia, what drives quotes up or down, and how to compare tradies with confidence.

As a starting point, many common Builder / extensions jobs fall between $1,500 and $25,000. Your final price depends on scope, materials, access, and location.

Browse a postcode page for local context, then post a job on Trusted Tradie Network to receive free quotes.

Builder / Extensions costs in Australia at a glance

Typical local budget: $1,500 – $25,000 per job (extremely wide range).

Common jobs

Job Typical Range Unit
New home build (construction only) $2,600 $1,500 – $5,000 per m2
Ground-floor house extension $3,200 $2,000 – $4,200 per m2
Second-storey addition $3,500 $1,850 – $5,500 per m2
Full house internal renovation $190,000 $80,000 – $300,000 per job
Kitchen renovation $35,000 $12,000 – $80,000 per kitchen

Prices are GST-inclusive guides for Australia. Final price depends on scope, access and site conditions.

Average Builder / extensions cost

As a quick guide, many homeowners budget $1,500 – $25,000 for common Builder / extensions work. Complex renovations, emergency call-outs, or premium materials sit above this range.

Types of Builder / extensions work

  • Repairs — common Builder / extensions work homeowners request.
  • Installations — common Builder / extensions work homeowners request.
  • Maintenance — common Builder / extensions work homeowners request.
  • Larger projects — common Builder / extensions work homeowners request.

What affects the price

  • Job size — rooms, linear metres, or number of fixtures
  • Condition — repairs needed before the main Builder / extensions work starts
  • Materials — standard vs premium finishes
  • Access — parking, stairs, occupied homes, tight sites
  • Location — labour demand and travel time by suburb
  • Compliance — permits, waterproofing certificates, waste disposal

Before you hire checklist

  • Describe the job clearly (photos help)
  • Ask what is included: labour, materials, waste, call-out
  • Confirm licence, insurance, and warranty
  • Compare at least three written quotes
  • Agree timelines and payment milestones in writing

Browse by postcode

Select a postcode for local builder / extensions pricing, suburb context, and Founding Member details.

ACT pricing 2600

Builder / Extensions

What does builder / extensions cost in Barton?

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Area Barton, ACT
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ACT pricing 2540

Builder / Extensions

What does builder / extensions cost in Hmas Creswell?

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Area Hmas Creswell, ACT
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ACT pricing 2602

Builder / Extensions

What does builder / extensions cost in Watson?

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Area Watson, ACT
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NSW pricing 2541

Builder / Extensions

What does builder / extensions cost in North Nowra?

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Area North Nowra, NSW
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NSW pricing 2000

Builder / Extensions

What does builder / extensions cost in Sydney?

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Area Sydney, NSW
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NT pricing 0812

Builder / Extensions

What does builder / extensions cost in Anula?

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Area Anula, NT
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NT pricing 0828

Builder / Extensions

What does builder / extensions cost in Berrimah?

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Area Berrimah, NT
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NT pricing 0800

Builder / Extensions

What does builder / extensions cost in Darwin?

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Area Darwin, NT
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WA pricing 6330

Builder / Extensions

What does builder / extensions cost in Albany?

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Area Albany, WA
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WA pricing 6053

Builder / Extensions

What does builder / extensions cost in Bayswater?

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Area Bayswater, WA
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WA pricing 6230

Builder / Extensions

What does builder / extensions cost in Bunbury?

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Area Bunbury, WA
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WA pricing 6000

Builder / Extensions

What does builder / extensions cost in City Delivery Centre?

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Area City Delivery Centre, WA
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WA pricing 6010

Builder / Extensions

What does builder / extensions cost in Claremont?

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Area Claremont, WA
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WA pricing 6004

Builder / Extensions

What does builder / extensions cost in East Perth?

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Area East Perth, WA
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WA pricing 6160

Builder / Extensions

What does builder / extensions cost in Fremantle?

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Area Fremantle, WA
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WA pricing 6530

Builder / Extensions

What does builder / extensions cost in Geraldton?

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Area Geraldton, WA
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WA pricing 6007

Builder / Extensions

What does builder / extensions cost in Leederville?

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Area Leederville, WA
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WA pricing 6050

Builder / Extensions

What does builder / extensions cost in Mount Lawley?

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Area Mount Lawley, WA
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WA pricing 6009

Builder / Extensions

What does builder / extensions cost in Nedlands?

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Area Nedlands, WA
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WA pricing 6151

Builder / Extensions

What does builder / extensions cost in South Perth?

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Area South Perth, WA
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WA pricing 6008

Builder / Extensions

What does builder / extensions cost in Subiaco?

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Area Subiaco, WA
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WA pricing 6100

Builder / Extensions

What does builder / extensions cost in Victoria Park?

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Area Victoria Park, WA
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WA pricing 6005

Builder / Extensions

What does builder / extensions cost in West Perth?

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Area West Perth, WA
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Price factors

  • • Job size and complexity
  • • Materials and finish quality
  • • Access, parking, and site conditions
  • • Labour rates in your area
  • • Permits, compliance, and waste removal
  • • Urgency / after-hours work

Frequently asked questions

How much does Builder / extensions cost in Australia?

Many Builder / Extensions jobs in Australia fall around $1,500 – $25,000 per job (extremely wide range), depending on scope, access and materials. Post a job for accurate local quotes.

What is included in a Builder / extensions quote?

Ask whether labour, materials, call-out, waste removal, and GST are included. Written quotes should itemise these clearly.

How long does Builder / extensions work usually take?

Small repairs can be same-day; larger projects may take days or weeks. Timelines depend on drying times, inspections, and material lead times.

Should I choose the cheapest Builder / extensions quote?

Not always. Compare inclusions, experience, insurance, and warranty — a slightly higher quote can be better value if it covers more.

How do I get free Builder / extensions quotes?

Post a job on Trusted Tradie Network with your postcode and job details. Matching tradies can respond with quotes.