Bathroom Floor Plan Tips

Written by: Andrew Christensen
Smarter Home Improvement Advisor
(800) 375-3403

Buying larger ticket items like a bathtub or vanity can be intimidating. That's why I put together some common tips on how to make sure your tub, shower, vanity, toilet and storage will fit in your bathroom's space. These tips are based on stories I have heard from customers.

Bathtub Placement

Questions to ask about bathtub placement:

  • Will the tub fit through your doors, stairwells, etc as the tub travels to its final location?
  • Will additional framing adjustments be required for your new tub?

Bathtub Tips

You will need at least 21 inches of clear space for getting in and out of the tub.

Shower Placement and Sizing

Questions to ask about shower placement:

  • Will the shower line up with the valves and the drain location?
  • If the door swings, will it open so you can easily get in and out?

Shower Tips

  • Make sure a 30” diameter circle with easily fit in your shower stall.
  • You will need 24 inches of clear space for your getting in and out of the shower.

Vanity Placement and Sizing

Questions to ask about bathroom vanity placement:

  • Will you be able to easily access the bathroom door, toilet, tub, shower and storage drawers and cabinets?
  • Will the drawers and doors open all the way without hitting fixtures?

Bathroom Vanity Tips

  • For a single vanity, just make sure that you can align it well with your existing plumbing.
  • For a double vanity, make sure that the plumbing locations will not impede your drawers and cabinet space. You will also want at least 36 inches between your sink centers.
  • For a vanity top, make sure it hangs over the front and sides for water cannot run into your cabinetry.
  • For a wall hung vanity, you need 4 inches on either side of clear space.

Toilet Placement

Questions to ask about toilet placement:

  • Do you need a smaller toilet? If so, consider the round style.
  • Which rough in will you need? 10”, 12” or 14”? The rough in is from the wall to the center of the drain bolts.

Toilet Tips

  • Make sure that you have 30 inches of space to fit the toilet. It is recommended that you have 18 inches between the center of the toilet and a wall.
  • Measure your rough in valve to ensure you will be getting the right toilet; measure from the wall to the center of the drain bolts for reference.

Other Sinks and Storage Tips

Pedestal and Wall Mounted Sinks

  • Check where your plumbing for P-trap and water lines will go. You want to make sure the pedestal base will hide this.
  • Make sure that there is 4 inches of clear space on either side of the sink.

Other Storage

  • Consider any sort of wall storage, such as medicine cabinets or above the toilet, that you can add to keep from taking up floor space.
  • Get creative with storage and store your items in the location of you will need them.
Note: All of the measurements are recommended for comfort and movable space. You will also want to consider your local enforced building codes for specifics.
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