Jack and Jill bathrooms connect two bedrooms. Practical in theory. Reality is more complicated.
When They Work
Kids’ rooms. Siblings share fine. They’re used to each other’s chaos. Privacy expectations are lower.
Guest bedrooms. Occasional visitors don’t need separate facilities. Makes the house layout more efficient.
When They Don’t
Primary bedroom connecting to anything. You want your own bathroom. Trust me on this.
Unrelated roommates. The lock coordination becomes a whole thing. Someone forgets, awkwardness happens.
The Lock Problem
Two doors need locks. Both users need to remember both locks. One unlocked door means someone walking in.
Some setups have indicator locks that show occupancy. Helps but adds complexity.
Layout Options
Vanity areas in each bedroom, toilet and shower shared. Less awkward. Morning routines can overlap.
Full bathroom between rooms. More common. Cheaper to plumb. But complete access from either side.
Resale Considerations
Families like them. Buyers with teenagers less so. Depends on your market.
Can usually be converted to standard hall bath by closing one door. Not always pretty.
My Take
Good for families with young kids. Questionable for anyone else. Think hard about who’ll actually use it before building.