| Value | Category |
|---|---|
| 1 | Traditional materials (mud, unburnt bricks, cow dung etc) |
| 2 | Temporary shack (plastic, cardboard, plywood etc) |
| 3 | Permanent shack (Corrugated iron, mixed brick, timber) |
| 4 | Permanent house (burnt brick, block, asbestos or "prefab" housing) |