A High Court case over an ultra-modern new-build house in Holland Park shines a light on a tricky matter of taste. “The case does firmly confirm that aesthetic concerns have their place in the consideration,” writes Frankie Tierney, but “it is clear that just because you regard the proposed building plans of your neighbour to be in the worst possible taste, that by itself will not entitle you to refuse to approve the plans where such refusal has to be reasonable.”