Look for significant cracks (especially horizontal ones), uneven settling, or sagging walls.
Check for missing or curled shingles, sagging areas, and secure, clear gutters that drain water at least three feet from the foundation. things to inspect before buying a house
Inspect for peeling paint, cracked siding, and foggy window seals, which indicate failed insulation. The Core Systems: The House's "Vital Organs" and foggy window seals