OfficeHCM

Office leasing glossary

The terms every tenant should know before signing — explained simply.

Net Leasable Area (NLA)NLA
The usable area the tenant occupies and pays for, excluding columns and service shafts. Rent is charged on this figure.
Gross Floor Area (GFA)GFA
Total constructed floor area including corridors, lobbies and service zones. Always larger than the net area.
Efficiency / Loss factor
The ratio of net to gross area. A higher efficiency means the tenant pays for more usable space.
Net rent
The base rent, usually quoted in USD/m²/month, EXCLUDING the service charge and VAT.
Service charge
Covers building operation: common-area electricity, cleaning, security, reception and shared HVAC. Charged per m²/month, separate from rent.
VAT
Value-added tax of 8–10% added on top of rent and service charge. Factor it into your true total cost.
Deposit
A security deposit, typically equal to 3 months' rent, refundable at lease end if there are no outstanding issues.
Lease term
The contract length, commonly 2–5 years for Grade A/B offices. Longer terms often secure a better rate.
Rent-free / fit-out period
Days or months of free rent granted for tenant fit-out before operations begin — a key negotiation lever.
Rent escalation
The agreed periodic rent increase written into the lease, commonly 5–10% per year or per renewal.
Building grade (A/B/C)
Classification by location, build quality, amenities and management. Grade A is the most premium and most expensive.
After-hours HVAC
Air-conditioning cost incurred for work outside office hours or on weekends, billed separately by the hour.
Parking fee
Car and motorbike parking fees, charged in VND per slot per month, usually separate from rent.
Lease agreement & annexes
The binding legal document setting out both parties' rights and obligations, with annexes on area, price and handover condition.