4.2 - FOUNDATION
  Number of households by region Number of households by year of construction
Manitoba / Saskatchewan Alberta British Columbia Before 1950 1950 – 1969
Dwelling has a basement for foundation
Yes 543,652 A 933,742 A 523,093 A 934,666 A 1,536,950 A
No 57,857 M 174,144 M 572,676 A 144,777 A 227,478 A
Don't know U U U U U
Not stated U U U U 41,697 M
Dwelling has a crawl space for foundation
Yes 66,335 M 107,467 M 263,977 A 175,563 A 256,310 A
No 535,174 A 1,000,419 A 831,793 A 903,880 A 1,508,118 A
Don't know U U U U U
Not stated U U U U 41,697 M
Dwelling has concret slabs for foundation
Yes U U 341,078 M 82,526 M 134,203 M
No 582,005 A 1,062,441 A 754,692 A 996,917 A 1,630,225 A
Don't know U U U U U
Not stated U U U U 41,697 M
Dwelling has pillars for foundation
Yes U U U U U
No 589,782 A 1,076,356 A 1,085,608 A 1,067,366 A 1,743,279 A
Don't know U U U U U
Not stated U U U U 41,697 M
Other type of dwelling foundation
Yes U U U U U
No 587,490 A 1,064,042 A 1,073,666 A 1,055,764 A 1,740,835 A
Don't know U U U U U
Not stated U U U U 41,697 M
Dwelling has no foundation
Yes U U U U U
No 595,906 A 1,082,218 A 1,071,444 A 1,075,857 A 1,760,197 A
Don't know U U U U U
Not stated U U U U 41,697 M
Basement / crawl space is heated
Yes 535,912 A 923,470 A 522,880 A 840,744 A 1,515,159 A
No 32,894 M U 200,694 M 176,264 A 158,316 M
Don't know U U U U U
Not stated U U U U 52,366 M
Insulation of any outside basement / crawl space walls
Yes 436,969 A 789,664 A 454,605 A 536,449 A 1,108,334 A
No 62,347 M 82,411 M U 278,473 A 272,212 A
Don't know U U U U 162,570 M
Not stated 27,101 M U 74,779 M 63,726 M 81,758 M
Percentage of outside basement / crawl space walls insulated
25 percent or less U U U U U
26 to 50 percent U U U U 118,875 M
51 to 75 percent 35,115 M U U U 136,434 M
76 to 100 percent 277,734 A 493,634 A 283,483 M 235,401 A 540,002 A
Don't know 122,525 A 243,047 A 166,273 M 144,210 M 408,104 A
Not stated 41,667 M U 81,789 M 75,010 M 115,510 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