Top 10 Insulation Installers in Sydney, New South Wales
There are currently 10 highly-rated insulation businesses in Sydney, New South Wales listed on TradeRefer, with an average Google rating of 4.9★ across 583 verified reviews. The 10 listed below are ranked from highest to lowest rating, all ABN-verified and community-recommended.
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583 Google reviews
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10 Businesses
In Sydney
Top 10 Insulation in Sydney — Ranked by Customer Rating
Compare the highest-rated insulation in Sydney, New South Wales. All businesses listed are ABN-verified and surfaced without paid placement.
Insulvac Insulation & Vacuuming
Insulvac specialises in the safe removal and replacement of old insulation (whether its’ blown in, loose fill, cellulose or batts), roof dust (lead, asbestos particles, heavy metals, pesticides, chemical pollutants, dust mites, formaldehyde), ceiling debris (rat, mouse and cockroach droppings) and ceiling rubbish from your homes attic space / ceiling cavity / roof space with our industrial hepa vacuuming machine, deodorising treatment and equipment. Enquire today about the cost to hire, rent or ...
AUSSIE ROOF VAC
AUSSIE ROOF VAC is a top-rated insulation business serving Ashfield, NSW. With a 5-star rating from 38 reviews, they are one of the most trusted insulation providers in the area. Specialising in insulation installation for ceilings, walls, and underfloor, AUSSIE ROOF VAC delivers quality workmanship and reliable service. Contact them today for a free quote.
Cosy Insulation Pty Ltd
insulation contractors sydney
J-PIPES Insulation Pty Ltd
J-PIPES INSULATION offers high-quality acoustic lagging for effective sound insulation. Protect your pipes with our acoustic insulation solutions.
United Insulation Contractors
professional insulation solutions
Insultech Group Pty Ltd
Insultech Group – Leaders in industrial insulation - specialist designers and engineers, suppliers, fabricators and installers of industrial insulation systems.
Pricewise Insulation
Buy home insulation in Sydney. Wall, ceiling, underfloor, roof insulation - you name it! Order online for next day delivery in Sydney.
J and T Insulation
Discover top-quality insulation services in Sydney with J and T Insulation. Call our team today on 1300 301 331.
Solartex Insulation Solutions
Solartex Insulation Solutions is a top-rated insulation business serving Cromer, NSW. With a 4.8-star rating from 62 reviews, they are one of the most trusted insulation providers in the area. Specialising in insulation installation for ceilings, walls, and underfloor, Solartex Insulation Solutions delivers quality workmanship and reliable service. Contact them today for a free quote.
Andersen Attics
Andersen Attics is a top-rated insulation business serving Peakhurst, NSW. With a 4.8-star rating from 45 reviews, they are one of the most trusted insulation providers in the area. Specialising in insulation installation for ceilings, walls, and underfloor, Andersen Attics delivers quality workmanship and reliable service. Contact them today for a free quote.
How Much Do Insulation Cost in Sydney?
Pricing data based on Australian industry averages for New South Wales. Always get 2–3 written quotes.
Typical Range
$10–$25
/m²
After-Hours Rate
$38
Emergency callout
Avg Hourly Rate
$18
Sydney market average
Prices are estimates only. Always request a written quote before authorising any work.
Insulation Licensing Requirements in New South Wales
In NSW, insulation installation is not a licensed trade. Installers must follow AS/NZS 4859 (thermal insulation materials standard) and the requirements of the National Construction Code for minimum R-values.
How to Choose the Best Insulation in Sydney
Use this checklist before hiring any insulation in Sydney, 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 — Insulation in Sydney
How much does ceiling insulation cost in Australia?
Ceiling insulation installation costs $1,000–$2,500 for a standard 3-bedroom home (approx 120m²). Glasswool batts are most common at $8–$15/m² installed. Blown-in loose-fill insulation costs $10–$18/m². Wall insulation during renovation costs $25–$50/m². The total depends on existing insulation, ceiling height, and access.
What R-value do I need for my Australian state?
The NCC mandates minimum R-values based on climate zone. In southern Victoria and Tasmania (Zone 7/8): R5.0+ ceiling, R2.0+ wall. In temperate NSW/ACT/SA (Zone 6): R3.5+ ceiling, R1.5+ wall. In subtropical QLD (Zone 2): R3.7+ ceiling. Always install to the NCC minimum for your zone — higher R-values provide better returns on energy bills.
What types of insulation are available in Australia?
Common types: glasswool batts (Bradford, Fletcher Insulation — most popular), polyester batts (no itch, good for DIY), rockwool (fire-resistant, good for party walls), reflective foil (works by reflecting radiant heat, best in hot climates, often used under roofs), and blown-in insulation (cellulose or glasswool, for retrofitting without removing ceiling lining).
Can I install insulation myself?
Ceiling insulation (roof space access required) can be DIY-installed with proper safety precautions: N95 mask, safety glasses, long sleeves, gloves. Ensure ceiling space is not contaminated with asbestos before entering. Do NOT install near recessed downlights (fire hazard) unless IC-rated or properly shielded. Wall insulation typically requires professional installation.
Is underfloor insulation worth it in Australia?
Underfloor insulation reduces heat loss through timber floors by 10–20%, providing comfort in cooler months. It's most cost-effective in cool temperate regions (VIC, TAS, ACT, southern NSW) where floors are a major source of winter heat loss. Cost is $15–$35/m² installed. Homes on concrete slabs don't benefit from underfloor insulation.
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