Bathroom Addition Costs
Perhaps you want to have a bathroom added to your master bedroom. Maybe you have a growing family and you know that you are going to need to have a new bathroom soon. Regardless of the reason, you need to start thinking about the logistics and the costs of adding the bathroom.
In some cases, you might have a room already in the home that you want to transform into a bathroom. Other times, you may need to have an entirely new room added to the house. If you have to opt for adding a brand new room, the cost will be much higher than converting a space you already have. This is because the room itself needs to be built and added to the house. Even a small bathroom addition will be costly.
Bathroom addition: 40 sq.ft. bathroom.
| Item | Unit Cost | Quantity | Line Cost |
|---|---|---|---|
| Foundation, framing, finishing | $124 per sq.ft. | 40 | $4,960 |
| Shower/Tub: installation included | $1,200 each | 1 | $1,200 |
| Toilet: installation included | $500 each | 1 | $500 |
| Sink/Faucet: installation included | $400 each | 2 | $800 |
| Tile flooring: installation included | $14 per sq.ft. | 40 | $560 |
| Labor Cost (electrician) | $70 per hour | 16 | $1,120 |
| Labor Cost (plumbing) | $120 per hour | 34 | $4,080 |
| Total Cost | $330.50 per sq.ft. | 40 | $13,220 |
Other considerations and costs
- Having a separate shower and tub will add to the overall cost of the bathroom addition.
- Depending on the materials you are using the cost can vary. You can keep the costs down by using cheaper materials.
- You will need to have a permit to add a bathroom to the home. Once it is installed, it will need to meet all of the code requirements.
- Adding a new bathroom to the home can help to increase the home’s value.
- Remodeling and expanding an existing bathroom is cheaper than choosing an addition.
Check out our guide if you need a loan for your home improvement project.
DIY considerations
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While there are some elements that you might be able to do on your own, such as painting or even the flooring, the scope of a bathroom addition is large. It is best left to the professionals.
References
- Craftsman Estimator Costbook, complete series year 2019.
- Latest prices found on Home Depot and other vendor Web sites.
- Literature review of DIY Websites.