DatumDesk
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Compliance intelligence for built environment professionals

Cited compliance answers across the National Construction Code, your state’s variations, and the Australian Standards they invoke.

Building designers, architects, energy assessors, surveyors, and engineers ask DatumDesk a question in plain English. DatumDesk answers with the clause, the source, and the page. Every time. When an answer rests on an Australian Standard, you’ll see exactly which one to source from Standards Australia.

Nothing invented. Nothing guessed. Defensible enough to file.

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A real question · VIC · NCC 2025See the full answer
About the name

A datum is the reference point a survey is set out from. DatumDesk is your reference desk for the rules that govern Australian buildings.

Coverage

What DatumDesk covers

DatumDesk answers Australian National Construction Code (NCC) compliance questions with clause citations, drawing on NCC 2022 and NCC 2025, state and territory variations, and ABCB handbooks.

NCC 2022

  • Volume One (Class 2 to 9 buildings)
  • Volume Two (Class 1 and 10 buildings)
  • Volume Three (Plumbing Code of Australia)
  • Housing Provisions
  • Amendments 1 and 2

NCC 2025

  • Volume One (Class 2 to 9 buildings)
  • Volume Two (Class 1 and 10 buildings)
  • Volume Three (Plumbing Code of Australia)
  • Housing Provisions
  • Livable Housing Design Standard

State and territory

  • Variations for all eight states and territories
  • Queensland Development Code mandatory parts
  • Which NCC edition is operative in each jurisdiction today

ABCB and industry guidance

  • ABCB handbooks, advisory notes and verification methods
  • ABCB Standard and Handbook for Construction of Buildings in Flood Hazard Areas
  • Industry technical guidance, cited as guidance and never as the operative rule

Where you can use it

  • On the web at datumdesk.ai
  • Inside Claude, through the DatumDesk MCP server
Verification

How every answer is checked

  1. 01Every clause, figure and requirement in an answer is cited inline with the source document, the clause and the page.
  2. 02Answers come only from the indexed source documents. If they do not contain the answer, DatumDesk says so instead of guessing.
  3. 03Every answer states which NCC edition is operative for the state or territory it covers.
  4. 04Where an answer rests on an Australian Standard, DatumDesk names the Standard so you know exactly what to source from Standards Australia.
  5. 05Every answer in the public library is checked against the operative NCC for its jurisdiction before it is published.
Pricing

DatumDesk Pro. One plan, two billing options.

Every plan starts with a 14-day free trial. Per practitioner. Same feature set on both plans. Cancel anytime before the trial ends and you won’t be charged.

Monthly
AU$19/ month

Billed monthly. Cancel anytime, no commitment.

Annual · save AU$38
AU$190/ year

Two months free vs monthly. Same access, billed once a year.

What’s included
  • Cited compliance answers across NCC 2022 and NCC 2025
  • National plus 8 state & territory variations
  • Source file · clause · page citations on every answer
  • Per-jurisdiction operative-edition awareness
  • Query history, immutable audit trail
  • Cancel anytime, no lock-in
Start 14-day free trialNo charge for 14 days · cancel anytime
FAQ

Common questions

What is DatumDesk?
DatumDesk answers Australian National Construction Code (NCC) compliance questions with clause citations, drawing on NCC 2022 and NCC 2025, state and territory variations, and ABCB handbooks.
Who is DatumDesk for?
Australian building designers, architects, energy assessors, building surveyors, interior designers and engineers who need a compliance answer they can cite.
Does DatumDesk cover NCC 2025?
Yes. DatumDesk covers both NCC 2022 and NCC 2025, and every answer states which edition is operative in the state or territory you are asking about.
How does DatumDesk check its answers?
Every clause, figure and requirement is cited with the source document, clause and page. Answers come only from the indexed source documents, and if those documents do not contain the answer, DatumDesk says so instead of guessing.
How is DatumDesk different from ChatGPT or NotebookLM?
General AI models answer from memory and can mix up NCC editions. NotebookLM answers from documents you upload, so you have to find and maintain the right ones yourself. DatumDesk already holds NCC 2022 and NCC 2025, every state and territory variation and the ABCB handbooks, keeps adoption dates current, and cites the clause and page in every answer. The full comparison is at datumdesk.ai/why-datumdesk.
Can I use DatumDesk inside Claude?
Yes. DatumDesk has an MCP server, so you can connect it to Claude and get the same cited NCC answers inside your conversations. ChatGPT is next. Setup instructions are at datumdesk.ai/connect.
How much does DatumDesk cost?
DatumDesk Pro is AU$19 a month or AU$190 a year, with a 14-day free trial. Cancel anytime.
Who founded DatumDesk?
DatumDesk was founded by Sarah-Jane Kavanagh.
Does DatumDesk replace a building surveyor?
No. DatumDesk answers are for professional reference and do not replace a registered building surveyor or certifier.