(Auditorium | Large hall) A large hall in a dream means comfort, overcoming financial difficulties, a helping wife, a good mistress of the house, a high ranking position that involves little danger, a highway sign, a praiseworthy son, a hard working employee, or a good investment. If the hall is dark, dirty and filled with insects and spider webs in the dream, then it means the opposite.
Dream dictionary: dark hall dream meanings
If there is an agent in the dream, it warns you to take precautions in your business. If we talk about a clear and pleasant hall, then it symbolizes success in your projects. If the hallway is dark and unpleasant, you will have difficulty to achieve expected results.