The Jewish Calendar and Holidays (incl. Sabbath): Sukkos: The Size of a Sukka:
How big does a Sukka have to be?
If you can sit in there with a small table, you're probably OK. The exact minimum measurements are in dispute, so try to get
it at least 28 by 28 inches. (See Shulchan Aruch O.C. 634 for details).
bfrank@lnotes.bankofny.com