Concentrated thinking about what defines British architecture right now. Is it style, technology, procurement, ethics? Thoughts from Robert Adam, Zoe Berman, Bill Dunster, Sam Jacob, Charles Jencks, Deborah Saunt, Jeremy Till and Tom Verebes, plus overseas views from Massimiliano Fuksas, Hans van der Heijden of Dutch architect Biq, Kengo Kuma and Rafael Viñoly.