Until 1935 Cholesbury did not have mains water and drainage did not arrive until 1963. The road down to Chesham was frequently impassable in winter and periodic flooding has occurred even in recent years. The Second World War resulted in an influx of people escaping the London Blitz and not returning afterwards. This migration had a lasting effect with more houses built or greatly enlarged or refurbished. Transport improvements enabling daily commuting to London from the 1950s onwards also led to a further change with the growth in more affluent families which irrevocably changed the composition of the village community.