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Top 10 Builders in Dandenong, Victoria

There are currently 10 highly-rated building businesses in Dandenong, Victoria listed on TradeRefer, with an average Google rating of 5.0 across 284 verified reviews. The 10 listed below are ranked from highest to lowest rating, all ABN-verified and community-recommended.

Typical cost in Dandenong: $80–$160/hr

Ranked #2026

By Google Rating

5.0★ Avg Rating

284 Google reviews

100% Verified

ABN & Licence Checked

10 Businesses

In Dandenong

Top 10 Building in Dandenong — Ranked by Customer Rating

Compare the highest-rated building in Dandenong, Victoria. All businesses listed are ABN-verified and surfaced without paid placement.

#1
Top Rated 2026
Extensions Unlimited
Building Verified

Extensions Unlimited

Our Home Extension Services in Melbourne With 30 years under our belt we bring a wealth of experience with each successive extension project we embark on.

5.0(67 reviews)
Dandenong North
#2
Extensions Unlimited
Building Verified

Extensions Unlimited

Extensions Unlimited is a highly rated building business serving Dandenong and surrounding areas in VIC. With an outstanding 5-star rating from 67 customer reviews, they are one of the top-rated building providers in the area. Contact Extensions Unlimited today — call +61 3 9792 1966 or visit their website for a free quote.

5.0(67 reviews)
Dandenong
#3
JSG RENOVATIONS
Building Verified

JSG RENOVATIONS

JSG RENOVATIONS is a highly rated building business serving Hampton Park and surrounding areas in VIC. With an outstanding 5-star rating from 27 customer reviews, they are one of the top-rated building providers in the area. Contact JSG RENOVATIONS today — call +61 449 988 054 or visit their website for a free quote.

5.0(27 reviews)
Hampton Park
#4
A-Line Building Systems Pty Ltd
Shed Building Verified

A-Line Building Systems Pty Ltd

A-Line Building Systems designs and manufactures the highest quality custom farm outbuildings and aussie made sheds for the residential and commercial industries.

5.0(24 reviews)
Berwick
#5
Ausgun Building Projects
Building Verified

Ausgun Building Projects

Ausgun Building Projects is a highly rated building business serving Dandenong and surrounding areas in VIC. With an outstanding 5-star rating from 23 customer reviews, they are one of the top-rated building providers in the area. Contact Ausgun Building Projects today — call +61 469 864 045 or visit their website for a free quote.

5.0(23 reviews)
Dandenong
#6
PrimeBuild Solutions
Building Verified

PrimeBuild Solutions

Welcome To PrimeBuild Solutions we’re more than just a construction consultancy and supervision firm—we’re your trusted partner in bringing your […]

5.0(20 reviews)
Cranbourne North
#7
TradeRefer
Building Verified

Hammer Builders and handyman Services

Hammer Builders and handyman Services is a highly rated building business serving Narre Warren and surrounding areas in VIC. With an outstanding 5-star rating from 20 customer reviews, they are one of the top-rated building providers in the area. Contact Hammer Builders and handyman Services today — call +61 466 656 125 for a free quote.

5.0(20 reviews)
Narre Warren
#8
Vastu Construction Group
Building Verified

Vastu Construction Group

"Get in Touch! Our Expert team is waiting to help you with your DIY or Renovation Projects. Our Master Builders are Experts in Home Renovation, Kitchen Renovation, Bathroom Renovation, Laundry Renovation and New builds. From concept to completion, we craft spaces that inspire and endure."

5.0(12 reviews)
Cranbourne West
#9
Turnkey Building Group Pty Ltd
Building Verified

Turnkey Building Group Pty Ltd

At Turnkey Building Group, we’re a driven team with decades of expertise in the new homes industry. With every project, we bring fresh ideas, bold perspectives and a commitment to elevating the real estate experience.

5.0(12 reviews)
Berwick
#10
Vastu Construction Group
Building Verified

Vastu Construction Group

"Get in Touch! Our Expert team is waiting to help you with your DIY or Renovation Projects. Our Master Builders are Experts in Home Renovation, Kitchen Renovation, Bathroom Renovation, Laundry Renovation and New builds. From concept to completion, we craft spaces that inspire and endure."

5.0(12 reviews)
Cranbourne North

How Much Do Building Cost in Dandenong?

Pricing data based on Australian industry averages for Victoria. Always get 2–3 written quotes.

Typical Range

$80–$160

/hr

After-Hours Rate

$240

Emergency callout

Avg Hourly Rate

$120

Dandenong market average

Prices are estimates only. Always request a written quote before authorising any work.

Building Licensing Requirements in Victoria

In Victoria, builders must be registered with the Victorian Building Authority (VBA). Work over $10,000 requires a Major Domestic Building Contract.

How to Choose the Best Building in Dandenong

Use this checklist before hiring any building in Dandenong, Victoria.

  1. 1

    Verify their electrical licence is current at your state's electrical safety authority (e.g. Energy Safe Victoria, NSW Fair Trading).

  2. 2

    Confirm they carry public liability insurance of at least $5 million — ask to see the certificate.

  3. 3

    Get 2–3 written quotes for any job over $500. A written quote protects both parties and clarifies the full scope.

  4. 4

    Check their Google and TradeRefer ratings — look for consistent reviews mentioning punctuality, clean workmanship, and clear communication.

  5. 5

    Ask whether they'll provide a Certificate of Compliance (electrical safety certificate) on completion, as required by law in most states.

Frequently Asked Questions — Building in Dandenong

How much does a home extension cost in Australia?

A single-storey extension typically costs $2,000–$3,500 per m². A 40m² addition runs $80,000–$140,000 including structural work, roofing, cladding, and fit-out. Two-storey additions cost more due to engineering and structural complexity. Always get a fixed-price contract rather than a cost-plus arrangement.

Do I need council approval for a home extension?

Yes in most cases. Extensions that change the building's footprint, height, or floor area require a building permit and often a planning permit. Some minor works fall under 'exempt development' thresholds — these vary by state and council. Your builder or building designer can advise what approvals apply to your project.

What is the difference between a builder and an architect?

An architect designs the building and may project-manage, but doesn't do physical construction. A builder constructs the project to approved plans. A building designer (draftsperson) produces plans without an architect's full qualification. For most residential projects, a building designer plus licensed builder is sufficient and more cost-effective.

How long does a granny flat take to build in Australia?

A standard prefabricated or modular granny flat takes 12–20 weeks from approval to completion. Traditionally-built granny flats take 16–26 weeks. The approval process (council or CDC) takes 4–10 weeks before construction can begin. Total time from concept to move-in is typically 6–12 months.

What should a building contract include?

A compliant building contract must include: fixed price or schedule of rates, scope of works, start and completion dates, progress payment schedule, insurance details, the builder's licence number, variation process, and dispute resolution procedure. Never pay more than 10% deposit in most states.

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