The reasons for carrying out a building survey (or building audit) are broad. They can include reasons for justification, basis of comparison, or decision-making for the following scenarios:
Purchasing of properties.
Upgrading, refurbishment, structure alteration.
Change in use/activity.
Identifying defects due to poor design or construction method.
Deterioration with time and or service.
Assessment of fire damage or other accidental damage.
To ensure safety/serviceability
of use (for new development).
Buildings with symptoms of distress(es).