Literal question
7. How long ago was the last time your household's main dwelling was built (including rebuilt), had major repairs or renovations, or was upgraded?
Interviewer instructions
Ask to record the code for the respective time duration since the main house was
newly built, renovated or had major repairs (including improved/upgraded) as counted from the
latest repair. In case of expansion, or enlarging area, which do not change the structure of the
house very much, do not take it as the reference period