Modernism in Metroland are running a tour of Charles Holden's stations along the easternmost part of the Piccadilly Line extension - but there are only 25 places.
The walk (with some intermediate journeys by tube) will be held on 14th May, starting at Turnpike Lane and finishing at Cockfosters, and will also look at some other local modernist buildings en route.
For details see the Modernism in Metroland website. (It's worth looking at the website just to see how peaceful Turnpike Lane station was before cars became king.)
