Fire (불, bul) is read with real nuance in Korean dream tradition — despite looking destructive on its face, a fire dream is generally read as your burdens and troubles burning away, clearing space for a genuine fresh start rather than simply representing loss.
Your own house burning down is one of the clearer examples of this pattern: alarming to witness in the dream, but traditionally read favorably, as an old, difficult situation being cleared out to make room for something new — echoing the same purifying logic that shows up with snow and rain elsewhere on this site, just considerably more dramatic.
Watching a fire burn from a safe distance, without being personally at risk, is read as witnessing a transformative change happening nearby — in your family, your workplace, or your community — without it directly threatening you. Successfully putting out a fire is read as bringing a difficult, intense situation under control before it causes lasting damage.
Being burned or genuinely harmed by the fire, rather than simply witnessing it, shifts the reading toward a real warning — being hurt by the very change or upheaval you're currently going through, rather than emerging cleanly on the other side of it. A fire that won't go out no matter what is read as an ongoing worry or an all-consuming preoccupation that's currently commanding more of your attention than almost anything else.