| Value | Category |
|---|---|
| 10 | NATURAL |
| 11 | No walls |
| 12 | Cane/palm/trunks |
| 13 | Dirt |
| 20 | RUDIMENTARY |
| 21 | Bamboo with mud |
| 22 | Stone with mud |
| 23 | Bamboo/Wood with mud |
| 24 | Reused wood |
| 25 | Canvas/Tent |
| 26 | Wood |
| 30 | FINISHED |
| 31 | Cement |
| 32 | Stone with lime/cement |
| 33 | Cement blocks |
| 34 | Wood planks/shingles |
| 96 | OTHER |