He was further appointed Master Mason to King Charles II in 1660 and as such worked on several Royal palaces.[1] He had premises on Fetter Lane but lived in middle life (until 1659) at Barn Elms on the River Thames in Surrey.In his role as Master Mason to the Crown he worked on the Tower of London and several royal palaces and was paid a shilling a day.[2] He stood down as King's Master Mason around 1666 probably due to age and the role passed to his son.He had fourteen children but all predeceased him, except his son, Joshua Marshall, who succeeded him as Master Mason to the King.