Top 10 Builders in Blacktown, New South Wales
There are currently 10 highly-rated building businesses in Blacktown, New South Wales listed on TradeRefer, with an average Google rating of 5.0★ across 266 verified reviews. The 10 listed below are ranked from highest to lowest rating, all ABN-verified and community-recommended.
Ranked #2026
By Google Rating
5.0★ Avg Rating
266 Google reviews
100% Verified
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10 Businesses
In Blacktown
Top 10 Building in Blacktown — Ranked by Customer Rating
Compare the highest-rated building in Blacktown, New South Wales. All businesses listed are ABN-verified and surfaced without paid placement.
Welch Construction Group
Family-owned builders delivering quality renovations, extensions, bathrooms, kitchens, and outdoor living projects across Sydney. Built with pride since 2017.
Ruby Homes
Ruby Homes is a highly rated building business serving Riverstone and surrounding areas in NSW. With an outstanding 5-star rating from 34 customer reviews, they are one of the top-rated building providers in the area. Contact Ruby Homes today — call +61 1800 573 166 or visit their website for a free quote.
Western Sydney Deck Builders
Western Sydney Deck Builders is a highly rated building business serving Toongabbie West and surrounding areas in NSW. With an outstanding 5-star rating from 25 customer reviews, they are one of the top-rated building providers in the area. Contact Western Sydney Deck Builders today — call +61 459 022 780 or visit their website for a free quote.
Urban Estate Homes
Urban Estate Homes is a highly rated building business serving Mount Druitt and surrounding areas in NSW. With an outstanding 5-star rating from 20 customer reviews, they are one of the top-rated building providers in the area. Contact Urban Estate Homes today — call +61 2 8806 5353 or visit their website for a free quote.
Buildcrest Projects - Kitchens | Bathrooms | Renovations
Buildcrest Projects: Expert Kitchen and Bathroom Renovations in Hills District
Rb Elite Homes
We are Best Custom Home Builders in Sydney specializing in off-the-plan new house & land packages. We Build Homes with Innovative Design to elevate lifestyles.
Emerald Projects | Western Sydney Based Home Additions, Extensions and Renovations Specialist
Sydney's trusted builders for commercial fit-outs, office refurbishments, home extensions, first floor additions & full renovations. Licensed builders delivering quality craftsmanship.
Ricon Building & Carpentry PTY LTD
Ricon Building & Carpentry delivers expert home renovations, extensions & custom builds across Sydney, ensuring premium quality, service, and craftsmanship.
Dream Built PM Pty Ltd
Dream Built PM Pty Ltd is a highly rated building business serving Glenwood and surrounding areas in NSW. With an outstanding 5-star rating from 16 customer reviews, they are one of the top-rated building providers in the area. Contact Dream Built PM Pty Ltd today — call +61 413 092 199 or visit their website for a free quote.
Arcadia Builders Australia Pty Ltd
Arcadia Builders Australia Pty Ltd is a highly rated building business serving Box Hill and surrounding areas in NSW. With an outstanding 5-star rating from 15 customer reviews, they are one of the top-rated building providers in the area. Contact Arcadia Builders Australia Pty Ltd today — call +61 431 106 121 or visit their website for a free quote.
How Much Do Building Cost in Blacktown?
Pricing data based on Australian industry averages for New South Wales. Always get 2–3 written quotes.
Typical Range
$80–$160
/hr
After-Hours Rate
$240
Emergency callout
Avg Hourly Rate
$120
Blacktown market average
Prices are estimates only. Always request a written quote before authorising any work.
Building Licensing Requirements in New South Wales
In NSW, builders must hold a contractor licence from NSW Fair Trading. Home building work over $20,000 requires home building compensation insurance.
How to Choose the Best Building in Blacktown
Use this checklist before hiring any building in Blacktown, New South Wales.
- 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.
Frequently Asked Questions — Building in Blacktown
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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