Is it possible to install a washbasin in the toilet room afterward?

2021-01-07 20:08:26

A somewhat silly question. My daughter wants to renovate an old house a bit, that is, just to make it habitable with little effort at first. There is a toilet present, but no sink in that room. A small corner sink would fit in terms of space. Could water be taken from the water supply to the flush tank for the sink, and could the wastewater from the sink somehow be drained again without breaking up the floor? A new toilet bowl is also to be installed.

2021-01-07 20:40:34

You should post a picture. If the toilet drain pipe is easily accessible and the fresh water supply as well, you might be able to install it surface-mounted fairly easily. If you need hot water at the sink and there is no hot water line there, you could do it with an electric instantaneous water heater. Power would then have to be supplied as well. But the idea is VERY rustic, so post pictures of the situation. Since you will need a craftsman anyway, you should best ask them.

2021-01-10 18:56:45

You should upload a picture.
As long as the toilet drain pipe is freely accessible and the fresh water supply as well, you might be able to cap it up on the surface fairly easily. If you need hot water at the sink and there is no hot water pipe there, you could do it with an electric instantaneous water heater. Electricity would then have to be routed there.
But that idea is VERY rough, please upload pictures of the situation.
Since you will need a craftsman for it anyway, you should best ask them.

I have now taken some pictures. The toilet has a vertical outlet.

2021-01-10 19:38:32

What is under the room? Basement?

2021-01-10 20:22:49

Status. Toilet removed.
Pre-wall installation with wall-hung toilet.
I think then you have a better starting position / options.

2021-01-10 23:04:29

What is under the room? Basement?

There is nothing. So under the concrete, the drain pipe goes directly to the exterior wall outside and then to the septic tank.

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Is it possible to install a washbasin in the toilet room afterward?

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