To lengthen the sink drain there are a couple ways.
Moving bathroom plumbing.
For a basic project in zip code 47474 with 1 piping run the cost to move plumbing starts at 678 832 per piping run.
For 15 inches you can leave the vent as is and lengthen only the sink drain.
It costs roughly 80 to 200 per line to move the plumbing and most fixtures require at least three lines.
Vent supply pipes and sink drain pipe.
Determine the new bathroom configuration to suit your existing home drainage system.
To move any plumbing fixture more than three feet you will have to shell out anything between 500 to 1000.
Any change in the bathroom floorplan is not easy.
To estimate costs for your project.
Actual costs will depend on job size conditions and options.
Moving the toilet is one of those changes in the bathroom layout that is sometimes necessary.
Design your new configuration so that the new drainpipes run parallel to the joists and between them.
Also the possibility of certain changes will depend on what type of dwelling you are renovating.
They are all moveable.
Think twice before you make this decision and look for ways to avoid moving every plumbing fixture in the bathroom.
Toilets sinks and showers will always require pipes that wind through the house to connect to vent water and drain lines.
Rerouting bathroom drainage in a home that has a standard wood subfloor set on joists is just a matter of getting the pipe and vent configurations correct.
While it s possible to move almost any large fixture beneath the bathroom floor are supporting joists that you should not cut in order to install new drains.
The farther away you move these fixtures from those lines the more.
Altering where you place the toilet sink or bathtub will cost you big bucks.
2 free plumbing diagrams are available.
Moving a sink may be the least expensive but the sink should be on the same wall or moving it can be expensive.
Moving the toilet is not a change to be taken lightly.
Drainage also has to be moved.
The drain perforation in the slab stays right where it is now.
This is in addition to the cost of installing the fixture.
Is it expensive to move plumbing in a bathroom.