Sometimes a marriage venues insurance is null generally if the band don't PAT testing or PLI so they've no choice but to show the band away. Is usually easily sorted though if you have enough time so be sure you check what your venue needs and tell your band early enough.
Having an event at home also implies that you risk damage on your own own personal possessions. There is an issue obtaining enough seating and OP the best dance sector. You might not have street parking and someone has to stay in charge of organising your music before and after the Dj. Most venues supply great mood lighting and sophisticated sound equipment including DJ equipment. A highly effective home, you are not likely to have these quality products so creating a host is key point to check out.