New construction / Bathroom planning / Family bathroom / 11.5 sqm

Mmh...probably works, but to be honest I think the "T" is very tight. Are these raw structural dimensions? We have 305cm width and decided against it. In the "Kloeck" you can just about turn around. 122 cm minus almost 60 cm for a toilet (I wouldn't do such a short toilet in the main bathroom) leaves 60cm in front of the toilet. With 90cm shower width I assume the toilet is the same. That's the minimum width people usually use. 90cm shower width is also just barely enough and anything but generous. I think the T-solution "shrinks" the room here. I personally wouldn't do it. But it's your decision. I just think it should be mentioned that in my opinion the room has the absolute minimum width for a T. It might look more generous on the "animation." Above all, these should be raw structural dimensions. Subtract plaster/screed and maybe 1-2cm of inaccuracy, suddenly you're missing 5cm.

Have other readers had experiences with the shower wall length and water leakage?

I grabbed the laser distance meter:

The shower area is 1.45 m x 1.35 m, side walls 2.10 m high, opening 0.71 m on the shorter side.
The person showering is 1.83 m tall
Rain shower is at 2.22 m,
Water from the rain shower splashes 1.50 m away from the position of the person showering
Conclusion: Some water also passes by the opening up to about 30 cm outside.

But no one walks there and after showering it is "squeegeed" once.

Our shower is 1.0x1.6. As a minimum without door/curtain and without tightness, I would personally consider 0.9x1.5. But as hampshire already said, if it splashes out 10 cm, it just gets wiped off. No problemo.

We have extended the partition wall up to the ceiling. We do not miss the glass and it is not too dark on the other side either. Although it is certainly more stylish with glass.

The better is the enemy of the good.... , yes 11.5 sqm and 308 cm width is the squeezed version for a T-bathroom. We have already seen it in real life and found the division of the bathroom into several zones by the "T" very good despite the tight dimensions. Yes, all are raw construction dimensions.

I have turned the "T" into an "L", like at Katdreas...

At first glance, I find it more pleasing. The shower area is now 205 x 95 cm (previously 160 x 90 cm), the "splash wall" is 130 cm (previously 90 cm). The shower splash issue should be better controlled this way, the toilet corner is no longer so cramped at the front, but more visible. Hm? How do you find this variant?

Furthermore, our planner told us that the walls, whether "T" or "L", must be ceiling-high for stability reasons. Do you all have that too? Or are there versions with ~2.20 m high "T" or "L" walls? The shorter partition walls should also provide more light, shouldn’t they?

T is not ceiling-high with us ...

, how high is your "T", regular drywall, masonry, or both? How thick are the walls, meaning the short wall between the toilet and shower (I planned 20cm - without tiles) and the wide wall with the sink (I assumed 12cm, ceiling-high + 12 cm pre-wall 105cm - both without tiles)