Artillery House, Artillery Row SW1

This remarkably detailed First World War howitzer appears over the doorway at each end of Artillery House in Artillery Row, Westminster.
The building was designed in 1928 by Maurice Webb, son of Sir Aston, and covered in cream artificial stone. The decoration was by a sculptor of German extraction who was christened Louis Fritz Roselieb. In 1916, when he joined the Royal Flying Corps, he understandably changed his name to Louis Frederick Roslyn.
After the war, Roslyn became famous for war memorials featuring mourning soldiers, sailors, nurses & co in bronze, but here he seems to have simply modeled a real artillery piece, possibly a 6in field howitzer. An odd effect, as though a child had brought his toy guns to Daddy's office and forgotten them.

Royal Society of Arts, Durham House Street WC2

This elegant facade peeps through a gap in the buildings on the south side of the Strand. It is easy to assume that it is by the Adam brothers, because it is the rear of their building for the Royal Society of Arts in the Adelphi.
But it was designed in as late as 1926 by Maurice Webb, the son of Sir Aston Webb who was famous as the architect of the V&A, Admiralty Arch and the main facade of Buckingham Palace.
The statue of the generously-hipped Greek lady with an urn on her head is by Walter Gilbert, cousin of Sir Alfred Gilbert (famous for Eros) and father of Donald (who later did a big figure on the New Adelphi).
Walter Gilbert founded the Bromsgrove Guild of Decorative Arts and was responsible for the ornate metal gates on Aston Webb's Buck House scheme. Later he set up a workshop in Birmingham with Louis Weingartner, bashing out garden sculpture and war memorials.
The plaques below show jolly naked infants playing the harp, painting and studying a scroll, presumably revising for their RSA qualifications.They were supplied by the architectural sculptors EJ & AT Bradford.