You may have seen a Jack and Jill bathroom on an old TV show, but this is much more functional and contemporary in today’s world. Basically, a Jack and Jill bathroom is a shared bath between two bedrooms, with each having its own door. This does two rooms get an “en suite” feel without constructing two individual bathrooms. More families in Chicago are choosing this layout to save space, while still giving each bedroom convenient access to its own bath.
What Is a Jack and Jill Bathroom?
At its core, a Jack and Jill bathroom is a shared bathroom that sits between two separate bedrooms. You’ll typically find two sinks (often a double vanity) and a single toilet/shower combo. Imagine it as a hallway that’s also a bathroom, and so kids or visitors can access it from their bedrooms. The idea isn’t original (yeah, even the 1970s TV show “The Brady Bunch” employed it), but with the latest designs, today’s designers have made J&J baths spacious and stylish as never before.
Benefits of a Jack and Jill Bathroom

Homeowners love Jack and Jill baths for many reasons:
- Space and Cost Savings: Having one bathroom opens space for other purposes (bigger closets, bedrooms, etc.) and reduces plumbing and fixture costs. J&J designs avoid the necessity for every bedroom to have a bathroom of its own, which is a great time- and money-saver.
- Double Sinks – Less Waiting: Put in two sinks or a double vanity, and mornings are a whole lot easier. Children are able to brush teeth in pairs, and adults can prepare simultaneously. Studies indicate that double sinks enable “parallel tasks” such as brushing teeth at the same time.
- Convenience and Privacy: Every individual has their own private entry, which is a huge benefit. When you add good locks on each door, it almost becomes like two private bathrooms. Parents and visitors adore this – many contemporary Jack and Jill designs even feature high-end amenities (such as walk-in showers and custom tile), so the shared bath feels as high-end as a master suite.
- Easy Maintenance: Having one fewer toilet to clean makes a big difference. It’s a small plus, but one definitely appreciated by cleaning crews.
Overall, a Jack and Jill bathroom uses space effectively. You have two bedrooms that share a bath with minimal additional square footage or cost.
Designing Your Jack and Jill Bathroom
A well-designed Jack and Jill bathroom can feel like a high-end retreat. Here are some modern Jack and Jill bathroom ideas to consider:
- Maximize the Vanity: This is the focal point. A Jack and Jill bathroom vanity tends to go across the room with two basins, so everyone has his or her own sink. An example includes a wide countertop with two faucets or two identical vanities on opposite walls, which is excellent. It allows individuals to use the bathroom at the same time without crowding.
- Separate Storage Zones: Allow each side to have its own drawers, shelves, or toiletry basket. Label towels and baskets by individual or color. This avoids confusion and maintains organization.
- Locks and Privacy: Fit door locks on each bedroom entrance, and install a “vacant/occupied” sign. Some families hide the toilet in a small stall that lies behind the sinks or conceal it behind frosted glass. Designers advise handling it like two private bathrooms – door locks on either side make it “ideal for guests”.
- Durable Materials: Select finishes that can withstand high usage. Ceramic or porcelain tile is wonderful for floors and walls (slip-resistant and easy clean-up). Solid surface or quartz counters are good choices. These options make a busy shared bath look fantastic in the long run.
- Personal Touches: Even shared, let each individual add a touch of personality. Perhaps one side has a photo frame and the other a house plant. Utilize matching fixtures but varying accent colors or decor on each side. This way, everyone gets the sense that they are at home in the space.
This sleek Jack and Jill bathroom employs a uniform look but gives it a punch with a strong wall color. See how the dual sinks are the same, but each side receives some personal flair. Shared spaces like these can still be personal without sacrificing cohesion.
Renovation and Cost Considerations
Thinking of adding a Jack and Jill bathroom? Here’s what to keep in mind:
- Layout & Plumbing: Try to keep the toilet and tub on one side to use existing plumbing. Many Jack and Jill baths fit in roughly 8×10 or 10×12-foot rooms. When remodeling, you often just need to cut a doorway from the adjacent bedroom.
- Budget: Expect a midrange remodel to run around $15,000–$30,000. Higher-end finishes will push costs up. For context, a typical bathroom remodel (~$19K) recoups about 60–65% of its cost, so this investment often pays off. (Also remember: you’re getting two-bedroom convenience for roughly one bathroom’s price.)
- Resale Value: Good news: buyers tend to love Jack and Jill baths in family homes. They give two bedrooms an en-suite feel, which can boost your home’s marketability. Experts even note that well-designed Jack and Jill layouts can command higher offers because they promise built-in convenience.
- Timeline and Codes: Prepare for a few weeks of work after opening the walls. In Chicago, ensure compliance with all codes: put in vent fans, GFCI outlets by the sinks, and the right door swings. Having a pro who is familiar with local regulations will simplify the process.
With smart planning, converting or adding a Jack and Jill bath can turn unused space into real value for your home.
Considerations and Drawbacks
Every design has trade-offs:
- Privacy Issues: By design, this bathroom connects two rooms. Ensure that everyone uses locks and communication (knock first!) to prevent surprises.
- Morning Congestion: Even with two basins, there’s still one shower/tub and toilet. In high-traffic households, you may want a plan B (such as a little hall bath) or have schedules to prevent lines.
- Decor Coordination: Because two individuals are going to share it, decorating is a compromise. But dividing up the vanity areas and employing personal accents (such as described above) generally pleases both parties.
- Shared Chores: While there’s one less bathroom to clean, this one will get more use. A speedy cleaning rotation keeps the area tidy, so no one feels like “it’s not my turn to clean.”
Many Chicago-area homeowners find the advantages outweigh these hurdles. A thoughtfully designed Jack and Jill bath often feels like a gain, not a sacrifice.
Start Your Jack and Jill Remodel with Tom Len Custom Homes

If you’re thinking about a Jack and Jill bathroom makeover, we can assist with planning a shared bath that is both private and convenient. Our Chicago-region remodeling experts enjoy designing spaces where families and visitors can relax.
Interested in how this might look in your house? Call us now to talk about your project and learn about some newer Jack and Jill bathroom concepts. Let’s make your vision a reality!
Frequently Asked Questions
It’s a single bathroom that’s complete, shared by two adjoined bedrooms — one door from each of them. It typically contains two sinks (or a single long counter with two faucets) and a shared shower/toilet. This arrangement allows both bedrooms to benefit from easy access to the bath without duplication.
Primarily for efficiency. It saves space and money by sharing one bathroom. You also have two sinks, so individuals can prepare for the day together without holding each other up. In short, it’s a clever way to optimize utility and convenience for multiple users.
Secure good locks on both doors. Educate all about rules (such as locking the door when in there). You can even divide the toilet with a half-wall or small stall. Planning out the space carefully (and with lock indicators) gives it the feel of two private bathrooms.
Yes, particularly for residential homes. Consumers like the fact that two bedrooms practically have an “en suite” without the expense of two full baths. This amenity frequently provides a home with more appeal and can increase its selling price.
Costs differ, but most remodels cost between $15k and $30k. (Adding a completely new bathroom can be much more expensive.) Keep in mind that you’re gaining a lot of functionality, which also increases the value of your home. As a general rule, a well-done bath redo will recoup a high percentage of its cost when you sell.

