Definition
A permanent house is a house where the walls are made out of bricks or wood, the roof is made of corrugated sheeting or wooden slates and the floor is made of floor tiles or ceramic.
A semi permanent house: is a house where half of the wall is made out of bricks or wood (concrete bricks and wood or concrete bricks and bamboo), the floor is made out of tiles or stones. The roof consists of roof tiles, corrugated sheeting, wooden slates or asbestos.
A simple house is a house made out of simple materials (leaves), the floor is soil and the roof is made out of leaves.
A house on stilts of comparatively good quality (relatively good and healthy) is classified as a semi permanent house. If it is made from good materials it is categorized as a permanent house. If it is made of materials or inadequate quality, it is classified as a simple house