By 1916 he was ill, although he founded the Incorporation of Architects in Scotland (later the Royal Incorporation of Architects in Scotland) in that year, and donated his own Rutland Square townhouse to be used as its headquarters.
By 1916 he was ill, although he founded the Incorporation of Architects in Scotland (later the Royal Incorporation of Architects in Scotland) in that year, though fellow architect Alexander Lorne Campbell had to act on his behalf. Anderson donated his own Rutland Square townhouse to be used as its headquarters.