Anything on the Langata corridor needs a school-run reality check: the Bomas and Wilson stretches are the two fixed jams, and both hit before 07:30.
For this audience the single most important specification is gated community living. The gated estate is the dominant residential format in Nairobi's family suburbs. Beyond security, it buys you a road nobody speeds on, children who can cycle, shared borehole and generator infrastructure, and neighbours who will accept a parcel for you. It also buys you estate rules and a service charge you do not control.