Choose your plan for internet or design it yourself, there are many free simple internet software that allow you to design your own house.
Contact an architect to draw to scale your house for approval.
Apply for a building permit from District Council
Apply for CWA & CEB
Buy sanitary if plumbing will be chased in concrete – Make dratfter aware of dimension so he can add to plan.
Sitework
Foundation
First slab
Block Laying
Rendering
Plumbing
Painting
Electrical
Tiling