| Value | Category |
|---|---|
| 10 | NATURAL |
| 11 | No walls |
| 12 | Cane, palm tree, trunks |
| 20 | RUDIMENTARY |
| 21 | Palm, bamboo |
| 22 | Natural stone |
| 23 | Adobe |
| 24 | Wood planks |
| 25 | Wood poles |
| 26 | Waste material |
| 30 | FINISHED |
| 31 | Cement blocks |
| 32 | Polished wood |
| 33 | Stone with cement |
| 34 | Mud stones |
| 35 | Prefab material |
| 96 | OTHER |
| 97 | Not dejure resident |