
Leasing & Tenant Education
How Much Commercial Space Does Your Business Actually Need?
A disciplined space program is more reliable than an ambitious guess.
Key takeaways
Square footage is a business decision
Underestimating requirements can constrain revenue and productivity.
Build a demand model
Describe each activity that requires physical space: employees and visitors, inventory, production, treatment rooms, merchandising, loading, support spaces, and circulation.
Check the building’s efficiency
Two businesses with identical staffing may need different floor areas because of layout, codes, equipment, and customer flow.
Balance flexibility against carrying cost
If expansion is likely, consider an option on nearby space, modular layouts, or lease rights rather than leasing far more than the business can use today.
Square footage is a business decision
Underestimating requirements can constrain revenue and productivity. Overestimating commits capital to unused space. The correct target starts with operations, not with the first listing that looks impressive online.

If expansion is likely, consider an option on nearby space, modular layouts, or lease rights rather than leasing far more than the business can use today.
Build a demand model
Describe each activity that requires physical space: employees and visitors, inventory, production, treatment rooms, merchandising, loading, support spaces, and circulation. Separate peak requirements from average use. In offices, account for actual attendance and work patterns. In industrial space, translate inventory volume into racking positions and movement aisles rather than assuming every square foot is equally useful.
Check the building’s efficiency
Two businesses with identical staffing may need different floor areas because of layout, codes, equipment, and customer flow. The rentable-to-usable relationship also matters in multi-tenant buildings. Use a planner or architect to estimate efficient occupancy rather than assuming every advertised square foot can be programmed freely.
Balance flexibility against carrying cost
If expansion is likely, consider an option on nearby space, modular layouts, or lease rights rather than leasing far more than the business can use today. Compare any growth cushion with the annual carrying cost of that space, including operating expenses and fit-out.
Practical points to consider
- Write an operational space schedule before viewing listings.
- Test peak-day demand and a realistic multiyear growth scenario.
- Confirm rentable versus usable measurements and improvement costs.
Questions & answers
Is there a universal square-footage rule per employee?
No. Work style, meeting demand, circulation, and local code requirements change the answer.
Should we lease for future growth?
Only after weighing forecast growth against carrying cost and flexible expansion alternatives.
Who can validate the required area?
A broker and qualified space planner or architect can help test assumptions.
Helpful Resources
- BOMA International: Floor Measurement Standards: Review measurement standards for office, industrial, retail, and other properties. The overview is public; detailed standards may require purchase.
Important information
This article provides general information, not legal, engineering, tax, valuation, or investment advice. Numerical examples are illustrative unless otherwise stated. Consult qualified professionals about your specific property or transaction.
Make a Confident Real Estate Decision
Discuss your space requirements with RJG before starting a property search.
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