Instead of complaining about the posts, take a close look at what people are pointing out to you or warning you about... Here you get the tips for free. My personal assessment: construction company recommended by the lawyer... you keep falling into the same ******. Recommendation: finish the legal battle with GU2. Then finish building the house with a local architect and local craftsmen through individual contracts.
PS: I wouldn’t knock out the screed in the bathrooms now just because there is underfloor heating under the bathtub. What could happen? The screed gets warm and transfers the heat to the bathtub cladding, which transfers it to the room. I also don’t believe the underfloor heating pipes would be crushed by the weight of the bathtub. Screed is concrete and not elastic, but rigid. As long as it withstands the load, nothing will happen to the pipes. You can ask the screed manufacturer about the limit load and determine the maximum load. If too large, reduce the surface pressure by using a larger base area...
Good luck with the legal battle!
Just the statement that after two bad GUs you signed a continuation contract with Romanians via something like MyHammer makes me doubt your learning curve. Especially since only the required advance payment of 40k€ stopped you from actually going through with it, as you wrote. Otherwise, you would have just let an unqualified construction team do it.
You always write that you have a plan and know what you are doing, but your desire to finish the house at all costs within the requested budget unfortunately makes you resistant to advice.
Somewhere here it was said that you signed a lump sum contract with GU1 where he assured you to deliver both units for under 1000€/sqm and when you got hints that it is not possible to get quality for that, you argued with construction prices from 1999 and said it’s not your problem. Then GU2 came who wanted to rip you off and then GU3 who is a butcher.
Take two steps back, find out in your area who delivers quality and not only fits into your budget. The matter is long over.
Here is more than right, whoever can step in now is more than suspicious. You should have learned that by now.
See you in a few months, hopefully with more positive experiences than currently to read.
EDIT: You don’t have to reply. I already read your answer above :cool: