✔ 最佳答案
sesveral things to note
ceiling rendering --- wether there's water mark? better go and look after heavy rain so the water seepage will appear
insulation of the roof ---- can be tested and go to observe at around 5-6 pm since the heat gathered in the afternoon will release from the R.C.
lift machine room's noise --- as most lift have their machine room at the top floor or roof
u may hear the machine moving especially very late at nite
also views --- if not a good view then y buy a top floor? it's just an investment reason
also in case of fire u have to run down many floors to the ground or even if there's a refuge floor it's still harsh to me , u can sure go to the roof however, u just waiting people to rescue....rather passive
only my stupid point of view.....hope can give u some ideas and help