GB/T 39066-2020Terminology of building economy (English PDF)

2.1 Officebuilding

A building that provides space, facilities and supporting services for business office activities.

2.2 Retailbuilding

Buildings that provide space, facilities and supporting services for commercial activities.

2.3 Buildingeconomy

With commercial and commercial buildings as the main carriers, the economic activities of related industries are gathered, derivated, and diffused through development, lease, and sale.

2.4 Stock

The total area of buildings available for rent at a certain point in time.

2.5 Increment

The total area of newly added buildings available for lease during the statistical period.

2.6 Absorption

The total floor area of buildings leased during the statistical period.

2.7 Net absorption

The difference between the newly rented building area and the newly released leased building area during the statistical period.

2.8 Absorptionperiod

The time it takes to rent out all the available building construction area.

2.9 Leasingrate

The percentage of the rentable area in the building.

Note. Commercial buildings are usually calculated by "building area", and commercial buildings are usually calculated by "usable area".

2.10 Occupancy rate

The percentage of the area that has been leased out and put into use in the building accounts for the leaseable area.