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Glam Journal

How much does it cost to install an extra toilet?

Author

James Austin

Updated on April 07, 2026

How much does it cost to install an extra toilet?

Toilet installation costs around $410 to $2,040+ including the price of toilet suites and labour. Installation costs may increase depending on your bathroom space, location and preferred type of toilet used.

How hard is it to add a bathroom to an existing house?

Adding a bathroom can cost from $5,000 for a simple conversion of existing space to $50,000 and up for a new addition to your house. The national average for a 100-square-foot, spa-like bathroom is over $75,000, so watch your budget carefully. You’ll likely recover 60% to 70% of your investment when you sell.

Does an extra toilet add value to a house?

If you have the space available, adding an extra bathroom, or toilet, can add a lot of value to a home and is a great appeal to potential buyers. Having an additional bathroom or toilet could improve the convenience of the lifestyle of those who are living there.

What happens when you add a bathroom to a house?

This of great importance because the new bathroom drain lines will have to somehow tie into the existing system. The same is also true for the hot and cold water supply lines. As the water supply for the new bathroom will have to connect the existing system.

Can you put a sewage ejector pump in Your House?

Because waste doesn’t need to be liquefied for easier transport through the small-diameter pipe, you can install a sewage ejector pump. There’s no transport involved at all; it just needs to get into the main drain. While they are similar to other pumps, they can do something that others can’t: pass solids.

Can you put a bathroom on a septic tank?

If the house is on a septic tank or on a sewer line that will allow the water to naturally flow out of the house then you are in luck. However, if the sewer line of your septic tank is actually higher than the drains in the basement, you will need to use a pump to direct the wastewater to where it needs to go.

How to attach a new bathroom to existing plumbing?

The usual practice is to “T” each supply line in at the closest available location on the main pipe. Keep the hot water branch pipes as short as possible to avoid having to wait for hot water. If your house is old enough to have galvanized steel pipes and they aren’t causing problems, you may not want to replace them.

What happens if I put a second bathroom in my basement?

Q: We put a second bathroom in the basement of our home, without getting a permit. A well-respected contractor did everything to code. Our concern is what happens if and when we want to sell. Can we advertise it as a two-bathroom house? Do we face any fines? –Matt A.

Because waste doesn’t need to be liquefied for easier transport through the small-diameter pipe, you can install a sewage ejector pump. There’s no transport involved at all; it just needs to get into the main drain. While they are similar to other pumps, they can do something that others can’t: pass solids.

Do you put toilet and shower in the same room?

I like to put the toilet and shower in their own room while keeping the sink separate. This allows someone to take a shower while someone else gets ready at the sink. In the bathroom floor plan here, the wall between the two rooms adds only a couple of inches to the overall size of the bathroom but doubles the room’s functionality.

Can a new bathroom be attached to an existing bathroom?

If your house is older, the existing plumbing may be out of date, but that isn’t always a good enough reason to replace it, as long as it’s functional and you stay in compliance with building codes. Make sure it can handle the supply and waste demands of the new bathroom.