I get asked what the appropriate dress code is for afternoon tea and I always recommend smart casual at a minimum. Smart casual is polished and put together but comfortable. Wear neat, clean clothing How to Dress for Afternoon High Tea: a Traveler's Guide Afternoon Tea Dress Codes in London Afternoon Tea Expert High Tea Outfit Ideas for Women: Afternoon Tea Looks Adrianna Papell How to Dress for High Tea: Style Guide & Dress Code Essentials Blue Zone Planet