 Beach was a very active Freemason, having been initiated in the Apollo University Lodge, Oxford, whilst at university.He subsequently became a member of multiple Masonic lodges and Holy Royal Arch Chapters, becoming Provincial Grand Master for Hampshire and Isle of Wight, and later Third Grand Principal (the third most senior member) of the Supreme Grand Chapter of Royal Arch Freemasons of England.He died after being run over by a cab, aged 74 years.