What Is Universal Design?
Universal design creates spaces usable by all people regardless of age, ability, or disability—including wheelchair users, elderly, parents with strollers, temporarily injured. The movement grew 2010-2023 as aging Boomers drove demand for accessible homes.
7 Principles (Ron Mace, 1997)
- Equitable Use: Useful to people with diverse abilities
- Flexibility: Accommodates wide range of preferences/abilities
- Simple, Intuitive: Easy to understand regardless of experience
- Perceptible Information: Communicates effectively (visual, tactile, auditory)
- Tolerance for Error: Minimizes hazards/errors
- Low Physical Effort: Efficient, comfortable, minimal fatigue
- Size/Space for Approach: Appropriate regardless of body size, mobility
Common Features
Zero-step entries: No stairs at front door
Wide doorways: 36”+ (vs. standard 32”) for wheelchairs
Lever handles: Easier than round knobs
Curbless showers: Roll-in showers with seats
Kitchen: Adjustable-height counters, pull-out shelves, side-opening ovens
Lighting: Motion-sensor, bright, non-glare
Market Drivers
Aging population: 10,000 Boomers turn 65 daily (US); 20% of population 65+ by 2030
Aging in place: 90% of seniors want to stay in homes vs. move to assisted living
Multigenerational homes: 20% of US households (2020) up from 12% (1980)
Source: Center for Universal Design, AARP, NAHB