Top 10 Building
in Carrum Downs, Frankston
TradeRefer lists 10 verified building businesses in Carrum Downs with an average Google rating of 4.8★ across 498 reviews. The businesses below are ranked from highest to lowest rating — all ABN-verified and community-recommended.
Ranked #2026
By Google Rating
4.8★ Avg Rating
498 reviews
100% Verified
ABN-checked
Top 10 Building in Carrum Downs — Ranked by Rating
Sorted by verified Google rating, highest first. All ABN-verified.

Patterson Homes
Patterson Homes builds custom homes, duplexes and multi-unit developments across Melbourne. We guide you from concept to completion with a transparent,

Patterson Homes
Patterson Homes builds custom homes, duplexes and multi-unit developments across Melbourne. We guide you from concept to completion with a transparent,

Cavalier Homes
Cavalier Homes is a top-rated building business serving Carrum Downs, VIC. With a 5-star rating from 11 reviews, they are one of the most trusted building providers in the area. Specialising in building and construction for new homes, renovations, and extensions, Cavalier Homes delivers quality workmanship and reliable service. Contact them today for a free quote.

Cavalier Homes
Cavalier Homes is a highly rated building business serving Carrum Downs and surrounding areas in VIC. With an outstanding 5-star rating from 11 customer reviews, they are one of the top-rated building providers in the area. Contact Cavalier Homes today — call +61 1300 228 254 or visit their website for a free quote.

ProStructure Shed Builders
ProStructure Shed Builders provides expert professional shed building services in Carrum Downs, VIC. Rated 5 stars by 5 customers, they are known for quality work and professional service. Get in touch with ProStructure Shed Builders for a free, no-obligation quote.

Semore Homes
Semore Homes is a top-rated building business serving Carrum Downs, VIC. With a 4.8-star rating from 11 reviews, they are one of the most trusted building providers in the area. Specialising in building and construction for new homes, renovations, and extensions, Semore Homes delivers quality workmanship and reliable service. Contact them today for a free quote.

Semore Homes
Semore Homes is a highly rated building business serving Carrum Downs and surrounding areas in VIC. With an outstanding 4.8-star rating from 11 customer reviews, they are one of the top-rated building providers in the area. Contact Semore Homes today — call +61 3 9770 8277 or visit their website for a free quote.
Beachwood Homes
HIA's Medium Professional Builder of the year - Beachwood Homes is a South East Melbourne builder, with fixed pricing + customisable floorplans for new…

Beachwood Homes
HIA's Medium Professional Builder of the year - Beachwood Homes is a South East Melbourne builder, with fixed pricing + customisable floorplans for new…

Aarons Backyard Creations
Premium backyard rooms, backyard studios, pergolas and cubby houses designed for Australian homes. Customisable designs with delivery and installation available.
How Much Do Building Cost in Carrum Downs?
Based on Victoria industry rates. Always get 2–3 written quotes.
Typical Range
$80–$160
/hr
After-Hours
$240
Emergency callout
Avg Hourly
$120
Carrum Downs market
Estimates only. Always request a written quote before authorising work.
Building Licensing 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 Carrum Downs
A checklist before hiring any building in Carrum Downs, Frankston.
- 1
Verify their electrical licence is current at your state's electrical safety authority (e.g. Energy Safe Victoria, NSW Fair Trading).
- 2
Confirm they carry public liability insurance of at least $5 million — ask to see the certificate.
- 3
Get 2–3 written quotes for any job over $500. A written quote protects both parties and clarifies the full scope.
- 4
Check their Google and TradeRefer ratings — look for consistent reviews mentioning punctuality, clean workmanship, and clear communication.
- 5
Ask whether they'll provide a Certificate of Compliance (electrical safety certificate) on completion, as required by law in most states.
FAQs — Building in Carrum Downs, Frankston
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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