PI for building designers and drafters covers claims that an error in your plans or documents cost an owner or builder money.
Source: https://piinsurance.com.au/building-designers/, fetched from the preview https://pi-react-4ee768.pages.dev/building-designers/ on 10 Nov 2026; site dated 3 Nov 2026. Preview wording, not yet broker-reviewed. General information, not advice.
Site label: Registration may expect it in some states.
Why you need it: registration and clients
Building designers are registered in some states, including Victoria, and registration can expect PI. Check whether your state or registration body sets a minimum; we can confirm it for you.
Typical limits
$1m to $2m.
What can go wrong
Illustrative scenarios, not real claims.
Plans that missed an energy rule
Your plans fail an energy rating check after approval. The owner claims the redesign cost.
A dimension error on site
A dimension on your drawings is wrong and a wall is built in the wrong place.
Common exclusions to watch
- Structural design you are not qualified for
- Cladding
- 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 building designers and drafters need professional indemnity insurance?
Building designers are registered in some states, including Victoria, and registration can expect PI. Check whether your state or registration body sets a minimum; we can confirm it for you.
How much PI cover do building designers and drafters need?
$1m to $2m.