| Value | Category |
|---|---|
| -9 | break-off |
| -3 | interviewer error |
| -1 | |
| 1 | Single family house/ semi-detached house |
| 2 | Part of a house/ part of an apartment |
| 3 | Apartment in a building with less than 10 dwellings |
| 4 | Apartment in a building with 10 or more dwellings |
| 5 | Makeshift dwelling/ temporary dwelling |
| 6 | Other |