| Value | Category |
|---|---|
| 10 | NATURAL |
| 11 | No wall |
| 12 | Grass |
| 13 | Cane/palm/trunks/bamboo |
| 20 | RUDIMENTARY |
| 21 | Poles with mud |
| 22 | Stone with mud |
| 23 | Wood timber |
| 30 | FINISHED |
| 31 | Cement/concrete |
| 32 | Stone with lime/cement |
| 33 | Sun-dried brick/mud brick |
| 34 | Baked bricks |
| 35 | Cement blocks |
| 96 | Other |