What is a Deposited Plan? Australian DP Numbers Explained

Learn what a deposited plan (DP) is in Australia, how to read DP lot numbers on title deeds, and how to look up parcel boundaries for free.

09 Sep 2026

A Deposited Plan (DP) is the legal bedrock of real property ownership across Australia. Whether reviewing a contract of sale, designing an architectural extension, or querying spatial APIs, understanding how DP numbers work is essential.

What is a Deposited Plan?

A Deposited Plan is a formal cadastral survey diagram registered with a state land registry that defines legal boundaries, dimensions, and easements.

Understanding Strata Plans: SP Numbers & Airspace in Australia

Learn what a strata plan (SP) is in Australia, how cubic airspace is subdivided from common property, what unit entitlements mean, and off-the-plan risks.

Property Due Diligence: Easements, Zoning & Overlays in Australia

Complete property due diligence checklist for Australian buyers. How to inspect easements, council zoning, planning overlays, and title covenants before you sign.

Check Flood Risk & Bushfire Prone Land (BAL) in Australia

How to check if an Australian property is in a flood zone or Bushfire Prone Area (BAL rating). Inspect council overlays and insurance hazard maps for free.

Australian Remoteness Areas (ASGS): Regional Grants & Zoning

How ABS ASGS Remoteness Areas define regional Australia. Learn how statistical boundaries impact first-home buyer grants, stamp duty concessions, and zoning.

What is a Deposited Plan?

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Understanding Strata Plans: SP Numbers & Airspace in Australia

Property Due Diligence: Easements, Zoning & Overlays in Australia

Check Flood Risk & Bushfire Prone Land (BAL) in Australia

Australian Remoteness Areas (ASGS): Regional Grants & Zoning