Short answer
Commercial interior design differs from residential in five ways: codes and accessibility requirements are enforced far more strictly, materials must be contract-grade (higher durability and fire ratings), a landlord usually has approval rights, the work often has to happen around an operating business, and the design has to serve a commercial objective — staff retention, customer dwell time, throughput — not only taste.
What does not change is the underlying process: understand how the space is actually used, plan it properly, draw it, specify it precisely, and manage the build.
On this page
How is commercial design different from residential?
1. Regulation is enforced
Residential remodels are permitted and inspected; commercial work sits under a considerably heavier framework, including accessibility requirements, occupancy calculations, egress rules and fire ratings. These are not preferences and they are checked.
2. Materials work harder
A residential sofa might see a few hours of use a day. A reception chair sees dozens of people. Contract-grade specification exists because of that gap — higher abrasion ratings, cleanability, and in many applications fire-rating compliance.
3. Somebody else may own the building
Most commercial interiors happen in leased space, which means a landlord with approval rights, a lease that defines what you may change, and often a negotiated allowance toward the work.
4. The business keeps running
Residential clients tolerate a kitchen out of action for weeks. A business losing trading days is losing revenue, which changes sequencing, working hours and phasing decisions.
5. The design has a job beyond looking good
An office that helps recruitment and retention. A restaurant whose layout supports service flow and table turns. A reception area that says the right thing in the first ten seconds. The brief has a commercial measure attached, and the design should be argued against it.
What do ADA and TAS require?
Commercial projects in Texas are subject to accessibility requirements under both the federal Americans with Disabilities Act and the Texas Accessibility Standards administered by the Texas Department of Licensing and Regulation, alongside the building, fire and energy codes adopted by your municipality. Depending on scope and cost, projects can require registration and independent accessibility review.
Requirements commonly in play:
- Accessible route through the space, with defined clear widths and turning space.
- Door clearances, opening force and hardware that can be operated without tight grasping or twisting.
- Restroom configuration — clearances, fixture heights, grab bars, and the space in which a wheelchair can turn.
- Reach ranges for controls, switches and service counters.
- Egress — exit widths, travel distances, and how furniture layout affects both.
- Occupancy load, which drives restroom counts and exit requirements.
- Signage and wayfinding, including tactile and braille requirements.
None of this is a reason for a space to look institutional. It is a reason to involve the right people early: the design team, the architect where the scope requires one, and the local authority. Discovering an accessibility requirement after millwork is installed is the expensive version.
Contract-grade specification
| Element | Residential norm | Commercial requirement |
|---|---|---|
| Upholstery abrasion | 15,000–30,000 double rubs | Commonly 50,000+ for public seating |
| Fire rating on textiles | Rarely relevant | Often required; verify per application |
| Flooring | Appearance-led | Slip resistance, wear rating, cleanability, acoustics |
| Furniture construction | Domestic warranty | Contract warranty, often weight-rated and certified |
| Cleaning regime | Occasional | Daily commercial cleaning — finishes must survive it |
| Acoustics | Comfort | Speech privacy, noise control, sometimes a performance target |
| Lighting | Atmosphere | Atmosphere plus task levels, energy code compliance and controls |
The temptation on a tight budget is to specify residential furniture in a commercial setting because it looks better for the money. It rarely survives, and replacement costs more than the original saving. The reverse temptation — specifying institutional-looking contract furniture in a boutique setting — is equally avoidable: the contract market now offers plenty that looks domestic and performs commercially.
Landlords, leases and tenant improvements
Before designing anything in leased space, read the lease with the design in mind:
- What can be altered, and what requires written landlord consent.
- Tenant improvement allowance — how much, what it covers, and how it is drawn down.
- Approval process and timeline. Landlord review adds weeks and belongs in the schedule.
- Building standards. Many buildings mandate specific ceiling tiles, doors, hardware, blinds and HVAC contractors.
- Restoration obligations. What must be returned to base condition at the end of the lease — this can make a beautiful built-in an expensive liability later.
- Which contractors are permitted to work in the building, and their insurance requirements.
- Working hours. Many buildings restrict noisy work to evenings and weekends, which changes the cost of labor.
A short conversation with the landlord's property manager before design begins routinely saves a redesign.
Working around an operating business
If the business cannot close, the project has to be planned around it — a variation on the approach in the phasing guide, with revenue at stake.
- Phase by zone. Half the floor, then the other half; front of house, then back.
- Work outside trading hours where the building and the budget allow. Expect a premium.
- Isolate properly. Dust barriers, negative air where needed, protected routes for customers and deliveries, and clean, finished-looking hoardings rather than plastic sheeting.
- Sequence around the things that stop trade — the point-of-sale position, the entrance, the restrooms, the kitchen.
- Front-load the long-lead items. Furniture, millwork and lighting all carry lead times; nothing should wait on a decision.
- Communicate to customers and staff. A sign explaining what is happening and when it ends converts disruption into anticipation.
By space type
Offices
Start with how people actually work — how much focused solo work, how much collaboration, how many days on site. Then plan for both: enough enclosed or acoustically treated space for concentration, and genuinely usable meeting space. Acoustics, daylight and air quality do more for how an office feels than any finish. Reception is the first ten seconds and deserves disproportionate attention.
Reception and waiting areas
Comfortable seating that is easy to get out of, a clear reception position with an accessible counter height, power for devices, honest wayfinding, and lighting that flatters people rather than the furniture.
Hospitality and dining
Layout is service flow: how staff move, where things are dropped, how tables turn. Acoustics decide whether people stay. Durability decides whether it still looks good in year three. Lighting is doing the most emotional work in the room — and it must be dimmable across the day.
Retail and showrooms
Sight lines from the entrance, a route that leads people through, flexible fixtures that survive merchandising changes, and lighting with high color accuracy so products look like themselves.
Key takeaways
- Accessibility and code compliance are enforced — involve the right people before millwork is drawn.
- Specify contract-grade materials: higher abrasion ratings, cleanability, fire ratings where required.
- Read the lease before designing: consent, allowance, building standards, restoration obligations.
- Landlord approval adds weeks. Put it in the schedule.
- Phase by zone and work outside trading hours where the business cannot close.
- Every commercial brief has a business measure — design against it, not only against taste.
Frequently asked questions
Do I need an architect for a commercial interior project?
What does “contract grade” actually mean?
Can commercial work be done while we stay open?
Who pays for tenant improvements?
How is commercial design priced differently?
Jan has practiced interior design in Dallas since 1997 and founded Chateau Concepts in 2001. She holds a BFA in Interior Design from the University of North Texas. She designs and general-contracts residential and commercial projects across the Park Cities, Preston Hollow and North Dallas. Read her full profile →
Written and reviewed by Jan Revels before publicationWork with Chateau Concepts
Jan Revels handles both sides of a project in Dallas and the Park Cities — the design and the build.