Hasni said:thanks for explaining, we are a family of five, my kids are 14, 11 and 8 yrs respectively. Besides I was told that if the landlord has enough kids up , will make basement quite noisy, also boiler and a.c noises generate unbearable echo at times, ventilation is also an important issue,..though I stand corrected here cuz sharing just based upon the info I gathered.
I have read somewhere on this that usually the difference between a basement and normal flat is roughly $200/month. If this amount really matters to you, then go with the basement with its not-so-annoying cons, otherwise find an apartment. The main concern is friendliness of the neighborhood, accessible services, and schools for your children.