Posted Jul 14, 2020, 9:35 PM
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Join Date: Dec 2010
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Here's the change in occupied housing units in Calgary between the 2011 and 2016 census.
SFH, detached: +54,040
SFH, semi-detached: +7,590
SFH, attached: +11,805
SFH, mobile: +590
Duplex: +5,420 (probably most of these are SFHs with basement apartments)
Lowrise Apt: +13,250
Mid-Highrise Apt: +3,440
Total: 96,135
So quite a lot of SFHs, which shouldn't surprise anyone familiar with the city. There's certainly many US cities that were building a higher percentage of multi-family during that period if housing permits are anything to go by, even a couple in the sunbelt. Austin housing permits for 2011-2015 were slightly lower (92,973) but with only 46,773 detached SFHs.
However, the overwhelming majority of multi-family permits in Austin were for 5+ unit buildings with only 1489 permits for homes in 2-5 unit buildings, with Calgary, it seems like it could be up to 10x as much with all those semi-detached homes and duplexes.
Downtown highrise apartments only made up for 1.8% of the increase in occupied housing in Calgary. The majority of semi-detached, attached, duplex and lowrise apartment units were built in the outer suburbs. The outer suburbs built around 85% of these lowrise multi-family homes in Calgary during those 5 years, presumably mostly with greenfield developments.
However, the electoral districts of Calgary Centre and Calgary Confederation, which basically cover the entire inner city, still saw an increase in 6500 housing units. Some of that is from the redevelopment of a former military base, but most of it has been traditional infill redevelopment.
Some of that has been downtown highrises, but an even bigger source has been redevelopment of SFH areas outside downtown.
Downtown
mid-highrise: +1750 units
low-rise multi-family: +455 units
SFH detached: -10 units
Inner city outside downtown
mid-highrise: +1100 units
low-rise multi-family: +4795 units
SFH detached: -1545 units
So most of that is from all those rowhouses, semi-detached homes and 3-4 storey apartment buildings replacing ranch homes (hence the 1545 unit decrease in detached SFHs).
That makes Calgary more like Houston, where redevelopment of SFH neighbourhoods into higher density lowrise built forms is a major source of growth. Seattle, Denver and Nashville have a decent amount of that as well. And it makes it less like Toronto, where most of the infill is highrises built on commercial and industrial properties.
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