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Data Sources & Methodology
Where every price range, licence reference and location dataset on TaskerAsker comes from — so you can verify it yourself. Last reviewed May 2026.
When each dataset was last refreshed
| Dataset | Source | Refresh cadence | Last refreshed |
|---|---|---|---|
| Tradie price ranges | Completed AU jobs + state Fair Trading + ATO labour rates | Quarterly | May 2026 |
| State licence registers | NSW Fair Trading, QBCC, VBA, ESV, DMIRS WA, CBS SA, CBOS TAS, Access Canberra, NT Consumer Affairs | Monthly | May 2026 |
| ABN verification | Australian Business Register (abr.business.gov.au) | Weekly per-record | Continuous |
| Suburb & postcode boundaries | ABS ASGS + Australia Post postcode files | Annual (ABS release schedule) | May 2026 |
| Map & place data | OpenStreetMap contributors (ODbL) | Rolling | May 2026 |
| Reviews & ratings | Verified-hire reviews on the TaskerAsker platform | Real-time on job completion | Continuous |
Pricing data
Every price range published in our Australian tradie cost guides is a 2026 GST-inclusive average compiled from completed jobs across all eight Australian states and territories, cross-referenced with state Fair Trading guidance and ATO labour-rate data. Ranges are reviewed each quarter and dated on the page. We never publish a single point estimate — only ranges, with the factors that move the price explained on the page itself. See the Australian tradie cost guide pillar for the consolidated rate table.
Licence and regulator data
Licence-class definitions, deposit caps and regulator URLs are taken directly from the public registers maintained by the Australian state and territory authorities:
- NSW — NSW Fair Trading (service.nsw.gov.au)
- QLD — Queensland Building & Construction Commission (qbcc.qld.gov.au)
- VIC — Victorian Building Authority (vba.vic.gov.au) and Energy Safe Victoria (esv.vic.gov.au)
- WA — Building & Energy / Consumer Protection WA (dmirs.wa.gov.au)
- SA — Consumer & Business Services (cbs.sa.gov.au)
- TAS — Consumer, Building & Occupational Services (cbos.tas.gov.au)
- ACT — Access Canberra (accesscanberra.act.gov.au)
- NT — NT Consumer Affairs (consumeraffairs.nt.gov.au)
Business identification
Every Australian Business Number (ABN) on the platform is verified against the Australian Business Register at abr.business.gov.au. Trading-name matches and ABN status are re-checked on a rolling schedule. See how we verify Australian tradies for the full provider verification process.
Location data
Australian suburb, postcode and state boundary data is sourced from the Australian Bureau of Statistics (ABS) Australian Statistical Geography Standard (ASGS) and Australia Post postcode files. Map and place data on directory pages is sourced from OpenStreetMap contributors and is licensed under the Open Database License (ODbL). Unclaimed directory profiles built from OpenStreetMap data carry an explicit ODbL attribution and a clear correction link.
Reviews and ratings
Every review on a verified TaskerAsker provider profile is tied to a completed job booked through the platform. We do not import reviews from third parties, do not allow paid reviews and do not display an aggregate rating until at least five verified reviews are on file. Our full review policy is published in the Trust Centre.
Content authoring and editorial review
Cost guides, checklists and Q&A pages are drafted by the TaskerAsker research team and reviewed against the published content policy before going live. Every page is dated; significant updates trigger a refreshed last-updated date. The full editorial process and complaints path is documented in the Trust Centre and Complaints & Resolution policy.
Corrections
Found an error or have a more recent reference? Please use the contact form and we will review and correct it within five business days. For listing-specific corrections, use the report-listing form on the relevant provider profile — the URL pattern is /report-listing/<providerId> (try the example link /report-listing/prov-osm-12345), reachable from the “Report this listing” link on every unclaimed directory profile. General feedback can also be sent to hello@taskerasker.com.au.
Related trust resources
- Trust Centre
- How we verify Australian tradies
- Review policy
- Complaints & resolution
- Safety Centre
- Australian tradie cost guide
- Tradie licence & safety guide
- Before-you-hire-a-tradie checklist
- Tradie quote-comparison checklist
Frequently asked questions about our data sources
Where does TaskerAsker get its Australian tradie pricing data?
Every price range published on TaskerAsker is a 2026 GST-inclusive average compiled from completed Australian tradie jobs across all eight states and territories, cross-referenced with state Fair Trading guidance and ATO labour-rate data. Ranges are reviewed each quarter and dated on the page; we never publish a single point estimate, only ranges with the factors that move the price explained on the page.
How often is each dataset on TaskerAsker refreshed?
Pricing data is refreshed quarterly. State licence registers are refreshed monthly. ABN status is re-checked weekly per record against the Australian Business Register. ABS suburb and postcode boundaries are refreshed annually on the ABS release schedule. OpenStreetMap place data is refreshed on a rolling basis. Reviews and ratings update in real time when a verified hire is completed. The full table is published on the data sources page.
Which Australian regulators do you source licence data from?
Licence-class definitions, deposit caps and regulator URLs are taken directly from NSW Fair Trading, the Queensland Building and Construction Commission (QBCC), the Victorian Building Authority (VBA) and Energy Safe Victoria (ESV), Building & Energy / Consumer Protection WA, Consumer & Business Services SA, Consumer Building & Occupational Services Tasmania, Access Canberra, and NT Consumer Affairs.
How does TaskerAsker verify Australian Business Numbers (ABNs)?
Every business that signs up to TaskerAsker must provide an Australian Business Number, which we verify against the Australian Business Register at abr.business.gov.au. The trading-name match and ABN status (active, cancelled, GST status) are re-checked on a rolling weekly schedule, and any business whose ABN becomes inactive is blocked from quoting until they update their record.
Where does the suburb, postcode and map data come from?
Australian suburb, postcode and state boundary data is sourced from the Australian Bureau of Statistics (ABS) Australian Statistical Geography Standard (ASGS) and the Australia Post postcode files. Map and place data on directory pages is sourced from OpenStreetMap contributors and is licensed under the Open Database License (ODbL); unclaimed directory profiles built from OpenStreetMap data carry an explicit ODbL attribution and a clear correction link.
How do I report an error or request a correction?
For general content errors, use the contact form at /contact and we will review and correct it within five business days. For listing-specific corrections on an unclaimed directory profile, use the report-listing form at /report-listing/