42 Redcliffe Square was Douglas Adams’ home in London during the late 1970s, when he was writing the original radio scripts for *The Hitchhiker’s Guide to the Galaxy*.
SEARCH 51.4881876, -0.1894900 42, Redcliffe Square, The Boltons, Earl's Court, Royal Borough of Kensington and Chelsea, London, Greater London, England, SW10 9HF, United Kingdom
It’s often described as the birthplace of the series — where Adams, under pressure from looming BBC deadlines, famously spent nights lying in the bath with his typewriter balanced on his knees - Douglas Adams on Wikipedia 
The address connects to the recurring “42” motif that later became *the Answer to Life, the Universe and Everything*. While Adams later said the number was arbitrary, the coincidence of his house number being 42 adds a layer of serendipitous mythology for fans.
# See
- 42 on Hitchhikers Wiki