London is a centric city. The typical commute heads inwards towards a Zone 1 workplace. But London can also be seen as a collection of smaller towns, each with its own central area. The latest exhibition at New London Architecture looks at plans to regenerate these local town centres and thus shape a 'polycentric city'. Opening with reference to 'the Mayor's 'blue doughnut' conjures up all kinds of improbable, possibly sordid images, until you......

Crossrail as a concept seems to have been around for yonks yet this week, stuff actually starts happening around the crucial and much needed redevelopment of Tottenham Court Road station with bus diversions kicking in on Friday to make way for works to begin. A free exhibition at New London Architecture brings the ambitious plans to life with a computer generated 'fly through' of the transformed station, incorporating not only essential expansion of capacity......

On New London Architecture's model of the capital, that is. The Cretaceous intruder is not alone. Spotting what architects would term 'interventions' on this map of present and future London is one of our favourite games. Across the Thames, we noticed a design flaw in the Olympic stadium. Now, Boris is enthusiastic about trees, but planting woodland on an athletics pitch is a little extreme. Still, at least it'll add a touch of iron-age......