Hire top-rated insulation installers across Australia
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What's your job?
How warm do you want the ceiling to be? Higher levels = more comfort and lower bills.
Estimated range
$434 – $932
Guide pricing only. Final quotes vary by scope, access, materials, and site conditions.
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Browse by state
Insulation installers based in each state and territory.
- Victoria169insulation installers based here
- New South Wales111insulation installers based here
- Queensland79insulation installers based here
- Western Australia61insulation installers based here
- South Australia31insulation installers based here
- Tasmania12insulation installers based here
- Australian Capital Territory11insulation installers based here
- Northern Territory2insulation installers based here
Every region in Australia
All 75 regions, grouped by state, capital city first. Numbers are insulation installers based there.
Victoria
16 regions
New South Wales
21 regions
Queensland
18 regions
Western Australia
South Australia
Tasmania
Australian Capital Territory
1 region
Northern Territory
1 region
Most Popular Suburbs
- 01
Dandenong South
8 providers
Browse location - 02
Carrum Downs
6 providers
Browse location - 03
Campbellfield
5 providers
Browse location - 04
Hallam
5 providers
Browse location - 05
Wangara
5 providers
Browse location
Top-rated insulation installers in Australia
Learn the rules for hiring insulation installers in your state
Licences, contracts and deposits for insulation work differ across the country. Check yours before you sign.
| Rule | NSW | VIC | QLD | SA | WA | TAS | NT | ACT |
|---|---|---|---|---|---|---|---|---|
| LicenceWhat the register calls it | Contractor licence (minor tradework or general building work) | Domestic builder registration (limited to insulation work) | No licence needed | Building work contractor's licence | No licence needed | No licence needed | Building contractor registration | No licence needed |
| Licence needed fromJob value that triggers it | Over $5,0001 | Over $10,0002 | Never | Any job value3 | Never | Never | $25,000 or more4 | Never |
| Check the registerThe official public register | Building Commission NSW register | Building and Plumbing Commission register | Not listed | Consumer and Business Services register | Not listed | Not listed | Northern Territory Building Practitioners Board register | Not listed |
| Written contractRequired above | Over $5,000 · large job contract over $20,000 | Over $10,0005 | Over $3,300 · Level 2 regulated contract (full written contract) from $20,000 | From $20,000 | Over $7,500 | From $20,000 | From $25,000 | Does not apply |
| Deposit capMost you can be asked for | Up to 10%6 | Not listed | Not listed | Up to 5%7 | Up to 6.5%8 | Not listed | Up to 5%9 | Does not apply |
| Warranty insuranceBuilder must hold it above | Over $20,000 · minimum cover $340,000 | Over $20,0005 | Does not apply | From $20,000 · minimum cover $250,000 | Does not apply | Does not apply | From $25,000 · minimum cover $200,000 | Does not apply |
| Cooling-offAfter you sign | 5 business days · on contracts over $20,00010 | 5 business days · on contracts over $10,0005 | 5 business days · on contracts over $3,300 | 5 business days · on contracts over $20,000 | Does not apply | 5 business days · on contracts over $20,000 | Does not apply | Does not apply |
- 1NSW · Licence needed from: NSW has no special licence for insulation. The insulation installer needs a building licence. Add the cost of labour and materials, including GST.
- 2VIC · You do not need a registered builder for a contract just for insulation, whatever it costs.
- 3SA · Licence needed from: Staff employed by a licensed business need no licence of their own.
- 4NT · Licence needed from: Registration covers a new home or an extension that adds floor area. It also covers a garage, carport or retaining wall built with it.
- 5VIC · A contract just for insulation does not get these protections. A bigger building job that includes it does.
- 6NSW · Deposit cap: Applies to jobs over $5,000. The cap does not apply to smaller jobs.
- 7SA · Deposit cap: Applies only to contracts of $20,000 or more. Smaller jobs have no deposit limit.
- 8WA · Deposit cap: This limit applies to jobs that cost more than $7,500 and less than $500,000.
- 9NT · Deposit cap: Applies only to a registered builder's contract of $25,000 or more. It covers a new house, an extension or a structure built with it.
- 10NSW · Cooling-off: The price includes GST.
NSW Sources: nsw.gov.au, Home Building Regulation 2014, Home Building Act 1989. Checked 15 Oct 2026.
VIC Sources: consumer.vic.gov.au, Building Regulations 2018, bpc.vic.gov.au, Domestic Building Contracts Act 1995, Building Act 1993. Checked 16 Oct 2026.
QLD Sources: qbcc.qld.gov.au, Queensland Building and Construction Commission Act 1991, Queensland Building and Construction Commission Regulation 2018. Checked 16 Oct 2026.
SA Sources: cbs.sa.gov.au, sa.gov.au, Building Work Contractors Regulations 2026, Building Work Contractors Act 1995. Checked 16 Oct 2026.
WA Sources: Building Services (Registration) Regulations 2011, Home Building Contracts Regulations 1992, Home Building Contracts Act 1991, wa.gov.au. Checked 16 Oct 2026.
TAS Sources: buildingstandards.tas.gov.au, Residential Building Work Contracts and Dispute Resolution Act 2016. Checked 16 Oct 2026.
NT Sources: nt.gov.au, Building Regulations 1993, bpb.nt.gov.au, Building (RBI and Fidelity Fund Schemes) Regulations 2012. Checked 17 Oct 2026.
ACT Sources: Construction Occupations (Licensing) Act 2004, planning.act.gov.au. Checked 16 Oct 2026.
What insulation costs
Across Australia, insulation typically runs $434 – $932 for ceiling insulation install or top-up, and $953 – $4,978 for underfloor insulation.
Local prices vary, so these are typical Australia-wide ranges. What you'll pay comes down to the size of the job, the condition of what's being worked on, and the finish you choose. Get a few quotes to see your exact number — it's free.
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