Raft foundations is a great solution as it safe time and is cost effective and get inspected and signed off by certified engineers witch will also give a completion certificate. Raft foundations can be used on any type of soil conditions as the design will adapt to the conditions.
Typical cost on normal residential raft foundation varies between
R 550 - R 850 p.m2 depending on soil conditions and loads.
For a quick quote e-mail plans to proconslabs@gmail.com ( click )