When buying a new property a building inspection from an independent building inspector is money well spent. They can give you a heads up to potential problems that could cost thousands to repair, giving you the option of proceeding with the purchase or possibly re-negotiating price.
Building inspectors can be builders, structural engineers or surveyors, each with certain areas of expertise. However, if experienced, any of them should be able to spot problem areas.
Always ask for references and how long they have been working as an inspector. Ask for a contract and read it carefully. All areas that will be inspected should be listed.
For example:
The roof exterior and roof space, guttering, the entire exterior of the home, under floor space, retaining walls and fencing, paths, driveways and surface water drainage to name a few.
Choose an independent building inspector not one that is recommended by the real estate agent. There may be a conflict of interest.