So my mate started with this intending to fit a Geberit wall frame (excuse the repeat pictures):     As aforementioned I went to the trouble of mocking something up at home with a spare frame:     With the soil in line with the frame it all works:     He was moaning he always burns his leg on the rad when sitting on the wc (see first pic above) so moving the wc left alleviates that and it all works.   He's sent me pics today.
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