4.2 - FOUNDATION
  Number of households by region
Canada Atlantic Quebec Ontario
Dwelling has a basement for foundation
Yes 7,359,689 A 560,647 A 1,569,421 A 3,229,133 A
No 1,445,959 A 119,787 A 237,025 A 284,470 A
Don't know 151,347 M U U U
Not stated 344,570 A U 161,702 M U
Dwelling has a crawl space for foundation
Yes 946,914 A 83,883 A 92,956 M 332,297 A
No 7,858,734 A 596,551 A 1,713,491 A 3,181,306 A
Don't know 151,347 M U U U
Not stated 344,570 A U 161,702 M U
Dwelling has concret slabs for foundation
Yes 905,750 A 40,082 M 286,560 A 173,082 M
No 7,899,898 A 640,352 A 1,519,887 A 3,340,521 A
Don't know 151,347 M U U U
Not stated 344,570 A U 161,702 M U
Dwelling has pillars for foundation
Yes 119,206 M U U U
No 8,686,442 A 669,352 A 1,784,395 A 3,480,948 A
Don't know 151,347 M U U U
Not stated 344,570 A U 161,702 M U
Other type of dwelling foundation
Yes 142,260 M U U U
No 8,663,388 A 665,967 A 1,796,304 A 3,475,918 A
Don't know 151,347 M U U U
Not stated 344,570 A U 161,702 M U
Dwelling has no foundation
Yes 82,720 M U U
No 8,722,928 A 655,163 A 1,806,446 A 3,511,750 A
Don't know 151,347 M U U U
Not stated 344,570 A U 161,702 M U
Basement / crawl space is heated
Yes 7,157,597 A 472,549 A 1,607,853 A 3,094,933 A
No 740,690 A 132,160 A U 246,987 A
Don't know U U U
Not stated 453,222 A U 159,836 M 136,112 M
Insulation of any outside basement / crawl space walls
Yes 6,042,290 A 367,035 A 1,477,342 A 2,516,677 A
No 796,778 A 89,624 A 127,633 M 409,256 A
Don't know 457,419 A U U 194,973 M
Not stated 600,462 A 47,519 M 187,348 M 212,806 M
Percentage of outside basement / crawl space walls insulated
25 percent or less 120,549 M U U 81,313 M
26 to 50 percent 400,043 A 32,506 M U 254,621 M
51 to 75 percent 437,754 A 24,783 M U 178,013 A
76 to 100 percent 3,774,442 A 228,565 A 1,063,200 A 1,427,827 A
Don't know 1,628,091 A 83,449 M 309,210 A 703,587 A
Not stated 739,292 A 56,057 M 225,077 A 279,096 A

Note:

Due to rounding, the numbers may not add up and may differ slightly among tables.

Legend:

The letter beside each estimate classifies its quality as follows: A–Acceptable, M–Use with caution, U–Too unreliable to be published.

Source:

2011 Survey of Household Energy Use