Central Hall Westminster — a Methodist church with a giant domed ceiling, hulking organ boasting more than 3,700 pipes, and balconies rimming the central nave — could swallow up any number of fashion collections.
Simone Rocha’s held its own, and then some, seizing attention with its lustrous fabrics, intriguing volumes and delicate decoration, from jewels embedded in fuzzy slippers to little red ribbons tied…