Survey of existing buildings is another core expertise of the building surveyors. The major services are as follows:

- building maintenance management (both in private and public sectors);
- diagnosis of building defects as "Building Doctor";
- building safety inspections;
- fire safety inspections;
- fire insurance valuation;
- refurbishment and renovation;
- license application;
- measurement surveys;
- building surveys prior to purchase or arising from building disputes;
- facilities management;
- expert witness and arbitration;
- advise on occupational requirements and spatial planning; and
- management of fitting-out work for residential building, office, commercial building and others.