John Griffiths, then aged 38 years, moved to Norwich in 1803 with his wife and three children, Elizabeth, William & John Robert. He was baptised in Fetcham, Surrey on 17th March 1765 but little else is known of his early life, although there are some intriguing clues. In the 1861 Norwich census John Griffiths' son William was shown as having been born in Westminster, London. It seems likely that John was already a planemaker and from the evidence of his early planes it would appear that he was making planes in the 18th century. To date, nothing else has been found regarding his time in London.