Buy wooden house / restructure room layout

Hello everyone,
we have the opportunity to get a wooden house built in log construction at a good price. However, the room layout is problematic. Some rooms are very small, and for our taste, there are too many bathrooms included. Also, considering the included sloping ceilings, we would actually only take the property if the rooms can be redesigned.

The question is whether this is even possible with a wooden house. The character related to wood inside the house would not be that important to us. From our point of view, one could also install lightweight walls and then wallpaper them, provided that the wooden walls can be removed relatively easily.
Since some bathrooms would also have to be restructured, the question arises for us whether waste water and supply lines can be easily adjusted.

Does anyone of you have experience with converting a wooden house? We do have some budget for a conversion, but it should not go on indefinitely...

Thanks for your answers!

The conversion possibilities depend primarily on the basic construction of the house. This must be known – for example, in the [Typenstatik] of the manufacturer – and be available to the owner.

If this is the case, it can generally be clarified on-site in connection with a property purchase consultation by an architect/civil engineer whether and to what extent this will be possible. The alteration of supply and disposal lines can also be determined by the basic construction of the house, which only allows concealed installation in the beam direction of the ceilings. Otherwise, it is necessary to work with cladding or boxed-in sections. But this can be resolved.

The house was built in 2000. The conversion should therefore be limited to the spatial changes you want to make to the floor plans, provided that no construction defects or damages have occurred in the meantime. The purchase consultation also assesses this.

The conversion costs therefore cannot be calculated on a flat rate per m2/m3 and average cost indicators, but according to individual measures and trades, based on a preliminary design.

The type of heating, the energy consumption of the house, the type of building insulation (solid wood exterior wall without additional insulation?), and the type of large-area glazing (Ug value) should also be examined.

Thank you very much for the detailed response. Of course, I am aware that it is not possible to make a price statement based on the floor plan without having seen the property. I think we really need to clarify whether an extensive redesign makes sense. I would probably involve an appraiser and architect in any further planning anyway. P.S.: I was not aware that I am not allowed to post links to external sites. Sorry about that.