Apartment Building Cover and Defects in Baulkham Hills
The NSW Government says the Home Building Compensation scheme covers new houses and multi-unit residential buildings up to 3 storeys high, and that there is no cover for multi-unit buildings that are more than 3 storeys high.
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What apartment building cover in Baulkham Hills actually involves
We read the NSW Government's page Buying property off the plan on 7 October 2026. It does not say whether any one building is covered, and neither do we.
Serious defects in apartment buildings
The page says the Residential Apartment Buildings (Compliance and Enforcement Powers) Act 2020 grants powers to the NSW Building Commission to investigate serious defects in multi-storey residential apartment buildings (class 2), and that where you cannot resolve a serious building defect with the builder or developer, you notify Building Commission NSW.

What we cannot say
We have not read, and so do not state, the scheme's other conditions, any dollar threshold or any exemption. The NSW Government's page itself sets them out, and it also says to get legal advice on the rights available to you if things do not go as expected.
These rules are State-wide. Height in storeys is the page's own dividing line; no page we read says how many storeys any building in The Hills Shire has, and we say nothing about any building.

Off the plan rules check for NSW
Apartment Building Cover and Defects in Baulkham Hills — common questions
Does the Home Building Compensation scheme cover apartment buildings?
The NSW Government says it covers new houses and multi-unit residential buildings up to 3 storeys high, and that there is no cover for multi-unit buildings that are more than 3 storeys high.
Who investigates serious defects in apartment buildings?
The NSW Government says the NSW Building Commission has powers to investigate serious defects in multi-storey residential apartment buildings (class 2), under the Residential Apartment Buildings (Compliance and Enforcement Powers) Act 2020.
What does the page say to do about a serious defect?
It says that where you cannot resolve a serious building defect with the builder or developer, you notify Building Commission NSW.
Off the Plan Apartments by suburb
- Off the Plan Apartments in Castle Hill
- Off the Plan Apartments in Kellyville
- Norwest
- Bella Vista
- Winston Hills
- North Rocks
- Beaumont Hills
- West Pennant Hills
- North Kellyville
- Rouse Hill
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Last reviewed · Updated · First published