Possible Clues:

• Like Manhattan's Chrysler Building
• Like the Carbide and Carbon building
• Design style of the 1920s (2 words)
• Like the spire of Manhattan's Chrysler Building
• Intricately traced round in style of interior design
• 13 was confused about design type!
• Firm follows new trade in old-fashioned style
• Jazz Age style
• Firm supporting dodgy trade in style between the wars
• Road etc remade in style