You will need 25 hours of total experience as pilot of aeroplanes following PPL issue before you can start your IMCr training.
Not so. See LASORS E3.2 - the 25 hours is before
applying for the Rating, not before starting IMCr training. As a minimum, this could be the 10 hrs PIC since licence issue (5 of which on cross-country flying) and 15 hrs PU/T on the course (10 of which as flight be sole reference to instruments).