Home Indoor Projects Bathroom Bathroom Design Standards

Bathroom Design Standards


Bathroom Design StandardsCodes and permits are necessary to ensure safety in any remodel. They’re not the most fun to focus on-not like choosing just the right floor covering or deciding between granite or marble countertops-but they are important.[divide color=”#808080″]

  • Plan doorways with a clear floor space equal to the door’s width on the push side and greater than the door’s width on the pull side. Note: Clear floor spaces within the bathroom can overlap.
  • Design toilet enclosures with at least 36″ x 66″ of space; include a pocket door or a door that swings out toward the rest of the bathroom.
  • Install toiletpaper holders approximately 26″ above the floor, toward the front of the toilet bowl.
  • Place fixtures so faucets are accessible from outside the tub or shower. Add antiscald devices to tub and sink faucets (they are required for shower faucets).
  • Avoid steps around showers and tubs, if possible.
  • Fit showers and tubs with safety rails and grab bars.
  • Install shower doors so they swing open into the bathroom, not the shower.
  • Use tempered glass or another type of safety glass for all glass doors and partitions.
  • Include storage for soap, towels, and other items near the shower, located within 15 to 48″ above the floor. These should be accessible to a person in the shower or tub.
  • Provide natural light equal to at least 10% of the floor area in the room.
  • Illuminate all activity centers in the bathroom with task and ambient lighting.
  • Provide a minimum clearance of 15″ from the centerline of sinks to any sidewalls. Double-bowl sinks should have 30″ clearance between bowls from centerline to centerline.
  • Provide access panels for all electrical, plumbing, and HVAC systems connections.
  • Include a ventilation fan that exchanges air at a rate of 8 air changes per hour.
  • Choose countertops and other surfaces with edges that are smoothed, clipped, or radiused.


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