It is available for eligible transactions dated on or after 1 July 2016.A substantial renovation is a renovation in which all, or most, of the structural and/or non-structural components of a building are removed or replaced.
You should also consider taking out contents insurance.
If you have a mortgage, your lender can insist that you take out home insurance.
Most of the rooms in the previous building must have been affected, and the renovations must have affected the building as a whole for it to be considered a substantial renovation.
See the definition of substantially renovated homes for information.
If you held an interest in residential property before 1 July 2000, regardless of how the property was used, you will not be eligible for the grant.