See Twickenham Information Resources
Visit the home of the famous Harlequins rugby football team and look round the Art Deco fair. Expect to find plenty of stalls selling items from the Art Deco and Art Nouveau eras right up to retro goods from the 50s, 60s and 70s. Ceramics, furniture and lighting are always well represented.
If you are thinking of getting married and are near Twickenham, you may want to visit one of the wedding fairs in the area to source suppliers and gain invaluable information.