Whilst I dont think, because of their embodied energy cost, concreate and steel have much future, Its just architecturally ignorant to say a whole category of material is ugly. It all depends on color and texture (for example corten steel, and pigmented concrete) and how they interplay with the landscape. In any event concrete and steel are rarely used as the primary material in rural areas. Indeed if houses like these were more Common England would be more beautiful. Next post on wood – the future.
By the way concrete can be a net zero material what its made from carbon capture.