Work systematically: exterior and common approaches if relevant, then entrance, each room, wet rooms, kitchen, balconies or terraces, plant or service cupboards, and roof or upper interfaces where access is available. Photograph defects with room labels, date, and a short description that a second reader can understand without visiting.
Core checks include moisture staining and hollow plaster, cracks around openings, floor levels and falls, window and balcony seals, water pressure and drainage performance, electrical board condition and capacity signals, AC outdoor unit placement, ventilation, and evidence of previous chase work. Note occupied neighbours, shared risers, and any smell or noise that may indicate service problems.
Ask for findings grouped as urgent, recommended, and monitor. That structure feeds both negotiation and later preventive maintenance planning without treating every cosmetic mark as a deal-breaker.