PI for quantity surveyors covers claims that an estimate, valuation or schedule caused a client loss.
Source: https://piinsurance.com.au/quantity-surveyors/, fetched from the preview https://pi-react-4ee768.pages.dev/quantity-surveyors/ on 10 Nov 2026; site dated 3 Nov 2026. Preview wording, not yet broker-reviewed. General information, not advice.
Site label: Usually asked for in client contracts.
Why you need it: your clients
Lenders, developers and builders ask for PI in contracts.
Typical limits
$1m to $5m.
What can go wrong
Illustrative scenarios, not real claims.
A cost plan well under the tender
Your estimate is used to secure finance. Tenders come in 20% higher and the developer claims holding costs.
A depreciation schedule that was wrong
A client's tax return relies on your schedule and the ATO adjusts it.
Common exclusions to watch
- Estimates given as guarantees
- Tax penalties
- Work before the retroactive date
Wording differs between policies. Read the policy wording, or ask us to point out what it says.
Common questions
Do quantity surveyors need professional indemnity insurance?
Lenders, developers and builders ask for PI in contracts.
How much PI cover do quantity surveyors need?
$1m to $5m.