· “a jack - and - jill bathroom is a space that works in conjunction with two bedrooms, allowing the spaces to have a conjoining, en suite bathroom,” says christina manzo, a decorist designer. Unlike a hall bath , which is accessed from a public corridor, a jack and jill bath has two entry doors—one leading directly into each of the adjoining bedrooms. · learn how to design a shared bathroom accessible from two separate bedrooms with different layout options, dimensions and features. What are the benefits of a jack & jill bathroom? Learn what it is, why its called that, how much it costs, and how it affects your homes resale value. How do you design a jack and jill bathroom? It’s the unsung hero of home layouts, offering privacy and practicality in one neat package. · whether your jack and jill bathroom boasts impressive square footage or youre looking for ways to maximize a tiny space, weve gathered our favorite ideas for adding style and function to this shared bathroom. See examples of jack and jill bathrooms with vanity, shower, tub, toilet and storage solutions. A jack and jill bathroom is a bathroom design that allows access from two separate bedrooms. · first things first: A jack and jill bathroom is a clever, shared bathroom design that connects two separate bedrooms; What is a jack and jill bathroom? Usually with a door on each side. · a jack and jill bathroom is a bathroom that is shared between two separate bedrooms.