House design resolves challenges of tricky access and a steep and awkwardly shaped site

While a bathroom may no longer be regarded as 'the smallest room' in a home, the extra space now allocated to it doesn't necessarily make the design process any simpler. That's because we want so much more in a bathroom these days, as well as retaining+ the sense of space needed for it to be a relaxation zone. So how do you fit everything in to your new bathroom?