If you each have your own bathroom, why the need to enclose the toilet and waste space on walls?

I never use a bathtub, so I would get rid of one of the tubs and do a larger shower with a bench (freestanding or built-in).

Drama

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More serene

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glam

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drama with color

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Fascinating. I assume the dimensions are in millimeters, with a quantization of 5mm or 0.2 inches. Here in S. NH, which gets much of its lumber from Canada, finding lumber that consistently had less than 5 mm of twist or warping would be unlikely. So I'll assume that between architect and construction crew, the dimensions become aspirational. On the other hand, metal framing might be capable of meeting the implied tolerances given a sufficiently finicky construction crew.

With respect to the design, I find it strange that the bathrooms are abjectly private, but the dressing rooms are not. Must be a cultural thing outside my experience.

The bathroom "hallways" are only 0.9m (about a yard) wide, and this will narrow if hooks or towel bars are installed. Sufficient surface space and hanging space needs to be considered during the design process.

The showers seem cramped for my taste. I think if a relaxing bath is desirable, I'd put one of them in a separate room with a view, and expand the shower bases.

Time spent awake in the bedroom may turn out to be less than the time spent in the bathroom, so allocation of more space to bathrooms and less to the bedroom would seem to me to be justified.

Anyway, I am interpreting the OP's title as direction without regard to whether it was intended to refer to interior design or architectural design. If only interior, "never mind."