Flat Iron Southbank

You descend into Flat Iron Southbank like you're entering a speakeasy, except instead of prohibition-era cocktails, you're after a seriously good steak. The basement location on Belvedere Road might sound grim, but it's intimate in the best way—low ceilings, dark wood, the kind of place where you can actually hear your dinner companion. The menu doesn't dick about: it's steak, done right, with none of the theatrical nonsense you'd expect from somewhere this close to the South Bank's cultural institutions. Portions are generous, prices won't leave you wincing, and the staff know their cuts like they invented them.