It would be nice that the Locations module of the Events module could be enriched in the standard product with some extra information/features.
Here are some thoughts:
Extra necessary fields: Telephone, Fax, Photo, Directions, map, whether catering is available/compulsory, price range for catering when available
Contact persons. Probably the best solution would be a related module so that more than one could be added together with their title and contact information (telephone, fax, email), comments, …
Location Facilities. Since many locations have more than one facility it would be useful to have the possibility to list one or more facilities with the description, the type (eg: theater, meeting room, other), size range drop down (very large >2000 pax, large between 250 and 2000 pax, medium between 50 and 250, small less than 50) the minimum and maximum capacity, the pricing, an evaluation to facilitate future choice