"When was the last time the Serpentine delivered a banger?"

London's annual Serpentine Pavilion should abandon its commitment to giving overseas architects their first English commission and instead prioritise experimental, purposeful architecture, writes Phineas Harper.

It's hard to pinpoint exactly when the Serpentine Pavilions got dull. Another structure has just opened on the lawn of J Grey West's 1934 tea-rooms-turned-gallery, but does the series still mean anything? Over two decades in, can west London's pavilions programme still move audiences...