|Energy source||Buildings||Share of total buildings||Floor space||Share of total floor space|
|(number)||Q.I.||(millions of m2)||Q.I.|
|No water heating||53 525||A||11.1%||33.7||A||4.4%|
|Natural gas||180 938||A||37.5%||388.5||A||50.7%|
|Other fuel**||4 322||A||0.9%||36.9||B||4.8%|
Note:Due to rounding, numbers may not add up to the total shown, and some numbers may differ from one table to the next.
Quality indicators (Q.I.) classify each estimate according to its quality as follows: A–Excellent, B–Good, C–Acceptable, D–Use with caution, F–Too unreliable to be published and X–suppressed due to confidentiality.