Author and proud Croydonian John Grindrod takes a walk with us to the highest point in the much-maligned south London borough. Having written Outskirts: Living Life on the Edge of the Green Belt, John is the ideal man to talk about the capital's outer limits. En route to the peak – the second highest of all the London boroughs – we talk Bowie, the housing crisis and why Croydon is much better than most give it credit for.
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