This depends on why you want to buy. For speculation and business, look for areas where people are moving to. At the moment, Kitengela, Konza, Isinya, Bisil, Ngong, Kiserian – Pipeline road, Nanyuki, Kwale, Kilifi, Lamu, Malindi, Thika highway, Kagundo road, Kamiti, and Karen are most desired.
To build your home, look for areas away from industries but nearer to social amenities. Your budget will guide you.