|Grays Inn Road Mansions|
Dulverton and Dawlish Mansions just up from Holsworthy Square. I’ve checked their alignment with their namesakes in the South West and it yielded no clues to the mystery.
Eileen Reid sent me the following by email:
Re all the Devon connections in Rosebery Avenue, etc. They’re there because the developer James Hartnoll was of Devonian extraction. Born in poverty in Southwark, he died worth more than £400,000.. not very psychogeographical, I’m afraid. But true. There was an article in the Camden History journal in 1980 all about him.