Whether it's considered rude to bring someone with you when visiting other people's homes depends on the specific situation and the relationship between the host and the guest. In general, there are a few factors to consider:
Invitation: If you were specifically invited to the host's home and the invitation did not mention bringing additional guests, it's best to assume that the invitation is for you alone. Bringing someone else without prior consent could be seen as impolite, as it may put an unexpected burden on the host to accommodate an extra person.
Close Relationship: If you have a close relationship with the host and you believe they wouldn't mind if you brought someone along, it's a good idea to ask for their permission first. Open communication is essential, and they may appreciate the courtesy of checking with them beforehand.
Event or Gathering: If the visit is for a social event or a gathering, such as a party, where other guests are invited, it might be more acceptable to bring someone with you. However, if it's a small, intimate gathering, it's still polite to inform the host in advance.
Respect Space and Resources: Keep in mind that the host may have limited space and resources to accommodate additional guests. Adding someone without warning might put pressure on their hospitality.
Cultural Norms: Cultural norms and expectations can also play a role. In some cultures, it's common to bring friends or family members along, while in others, it's more customary to visit solo.
When in doubt, it's always best to ask the host directly if it's okay to bring someone along. Being considerate of their preferences and boundaries is a sign of respect for their hospitality. Ultimately, clear communication and thoughtfulness are essential to avoid inadvertently causing discomfort or awkwardness in social situations.