Before design spend
Development feasibility
Identify likely engineering and environmental constraints before substantial design expenditure.
The expensive mistake on a Manly site is paying for a scheme that the lot, the drainage, or the applicable controls will not carry.
Feasibility here means a structured look at what is already known about the property and what still has to be verified, not a guaranteed yield, not a planning scheme, and not a substitute for a town planner.
Where public data is used, it is dated and its source is stated.
Start a property check at idea stage. That is the point of the product.