PropertyFlags · guide

What to check before buying a house in Australia

One list, no padding. For every check: the free official route, and an honest note on whether a data report can do it for you. Some of the most important checks cannot be automated by anyone, and this page says which ones.

The land and its hazards

Flood exposure on the planning layer
Free route: council flood information and the section 10.7 certificate in NSW; the equivalent planning certificate interstate. In the report: yes, queried live per address.
Bushfire prone land
Free route: state rural fire service maps. In the report: yes.
Contamination and licensed industry nearby
Free route: the state EPA public registers. In the report: yes, notified sites and licences within range.
Easements and land reserved for acquisition
Free route: the title and the planning certificate; mapped layers give an early signal. In the report: partly: mapped easements and reservations, never the full title.
Landslide, mine subsidence, acid sulfate soils
Free route: state hazard maps where published. In the report: yes where a state publishes the layer.

What you can and cannot build

Zoning, height and floor space controls
Free route: the state planning portal. In the report: yes, with a plain English reading.
Rezoning proposals on exhibition
Free route: the planning portal exhibition lists. In the report: yes in NSW.
Development applications around the address
Free route: council DA trackers and planning portals. In the report: yes, within 500 m where the state publishes them.

The building itself

Serious defect orders on apartment buildings
Free route: the Building Commission NSW register. In the report: yes in NSW, by location and strata plan.
The building and pest inspection
Free route: there is no free route: a licensed inspector on site. In the report: no. No data report replaces a person in the roof cavity.
The strata report and minutes
Free route: ordered through the agent or a strata search firm. In the report: no, and we say so in the report.
Building approval history
Free route: council records and the NSW portal era records. In the report: yes in NSW for the portal era.

The street and the daily life

Aircraft, rail and main road noise
Free route: airport noise contour maps, then your own ears at peak hour. In the report: yes as mapped exposure and distance, plus the advice to visit and listen.
Winter sun and overshadowing
Free route: stand in the garden in the afternoon, or read the shadows from surrounding heights. In the report: yes as a geometric estimate with its assumptions printed.
School catchments
Free route: the education department school finder. In the report: yes.
Crime rates for the area
Free route: the state crime statistics bureau. In the report: yes, area level and labelled as such.
Internet and mobile reality
Free route: the nbn address checker and carrier maps. In the report: yes, technology type plus tower proximity.

The paperwork no report can read for you

The contract of sale and its certificates
Free route: your conveyancer or solicitor, before you sign anything. In the report: no. The report gives you the questions to bring, not the legal review.
The title search
Free route: ordered by your conveyancer from the land registry. In the report: no.
Finance and insurance quotes on the exact address
Free route: your lender and insurer. In the report: no, and flood pricing especially needs a real quote.

The 60 second version

A PropertyFlags report automates the register and map half of this list for one address, in one pass, each finding named with the government source it came from, as red, yellow and green flags. The other half of the list still belongs to your inspector, your conveyancer, your lender and your own visit at peak hour; the report ends by telling you exactly that.

Run a free flag count on an address → · See a full sample report · Guide: flood risk in NSW · Guide: defect orders · Guide: buying at auction

Common questions

What is due diligence when buying a house?

Everything you check before you are legally committed: the hazards mapped on the land, the planning controls over it, the condition and history of the building, the realities of the street, and the paperwork in the contract. In an auction state the whole list has to happen before bidding, because there is no cooling off period.

Can a data report replace the building inspection?

No, and be suspicious of anything that implies it can. A report reads registers and maps; only a licensed inspector on site can find the cracked slab, the moisture in the wall or the termite damage. The report's job is the other half: the risks that are invisible on inspection day because they live in government records.

What does PropertyFlags actually automate?

The register and map half of the list: hazards, planning controls, contamination, defect orders, development activity, noise exposure, catchments, connectivity and area crime, each finding named with its official source, in about 60 seconds for one address. The checklist above marks exactly which lines it covers and which lines belong to your inspector, conveyancer, lender and your own visit.

When should the checks happen?

Earlier than feels natural. The certificates in the contract arrive after you have fallen for the home, and at auction everything must be done before the hammer. Run the register checks when you shortlist, book the inspection as soon as you are serious, and put the contract in front of a conveyancer before you sign or bid.

State specifics vary: the certificate names, registers and portals in this guide use NSW examples where a state had to be named; the equivalent bodies exist in each state and the report names the right one for the address.

Suburb data pages (crime, growth and development applications): Cessnock · Manly · Toongabbie · Rooty Hill · Glenwood · Surry Hills · Cranebrook · Prestons · Bossley Park · Rockdale · all NSW suburbs