In 2020, the National Portrait Gallery closed for renovations. And they were much needed, said Laura Freeman in The Times: its entrance hall was “poky”, and its collection “dusty and undervisited” – overshadowed by the museum’s “shiny, shouty” temporary exhibitions. It has since undergone “a £41m makeover” helmed by Jamie Fobert Architects – and the result, I’m happy to say, is a triumph. This is not a “tweakment”, it is a full-scale overhaul: new public spaces have been created, the gallery’s basement has been expanded, and its collection completely rehung in order to tell a “serious, stylish history of our nation and its people”, from the Tudor era to the present day. The galleries, repainted in “imperial purple, royal blue and guardsman red”, are simply “magnificent”: you’ll see everything from…