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Old December 30th, 2011, 06:27 PM   #1
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How tall can a building be while still being profitable?

What do you think the maximum height of a building is before it stops being profitable?

Do you think that North America will see any more of these giants within the next couple of decades?

What are your thoughts?
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Old December 30th, 2011, 06:46 PM   #2
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I posted the same question a few months earlier and I didn't recieve an exact number. I guess that's because technology advances from day to day and because for each building shape it varies. Building boxes is simpler and you get the most floor space outta them so I guess the efficiency limit might be like 450 meters - 500 meters. On the other hand unconventional shapes are harder to build and offer less floor space so I guess their efficiency limit might be 300 meters - 350 meters. Though keep in mind that all of this is just my guess based on what heights and shapes are currently under construction or proposed so everybody please feel free to correct me if I'm wrong
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Old December 30th, 2011, 08:25 PM   #3
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There is too many various factors to say an exact number but years ago I read it is 300m. I think this is the old stuff now.
The theme is nice and has an enormous capacity of information. I guess it demans an toilsome research in this field.

Here's someting helpful: http://ctbuh.org/LinkClick.aspx?file...language=en-GB

Last edited by Jakub; December 30th, 2011 at 08:37 PM.
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Old January 1st, 2012, 09:36 AM   #4
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Difficult to say. It depends where you build a tower, which design etc...
As Jakub said, there are many factors.

I guess in NYC a 300m+ boxy tower should be profitabel without a problem.
The Kingdom Tower in Jeddah definitely is not .
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Old January 1st, 2012, 11:01 AM   #5
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I really haven't thought about this before, but heres my guess:
it depends on a number of things:

1) market value created [what are people willing to pay for the created space? be it residential or commercial?]

2) construction/engineering efficiency/technology 300m+ sure didn't make sense 50 years ago, but it does now, thanks to the advancements in structural engineering, construction technique, architectural efficiency (plans layout etc etc) etc

3) land value - which goes with (1): There is a reason why there are numerous supertalls in Hong Kong, but not in London or Sydney for example.

4) Architectural value, while it may not make sense directly, great architectural landmarks provide tourism, identity etc.

5) and more recently, there is the issue of sustainability, does it make sense environmentally? what is the cost of environmental impact? to make it sustainable, it may cost more, how to we measure environmental worth?

just my 2c
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Old January 1st, 2012, 08:55 PM   #6
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you have to consider that making a building tall you also give it a name. shanghai tower for example, probably gets a lot more attention and reputation than if it was smaller than SWFC. And if the demand exists it can be profitable even when its over 600m. Also you can always plop down antennas up there and make more money with communication for small adjustments and observation decks and restaurants that are overly priced etc etc.
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Old January 9th, 2012, 04:44 AM   #7
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Architectural value, while it may not make sense directly, great architectural landmarks provide tourism, identity etc.
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Old January 10th, 2012, 11:54 AM   #8
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Buildings are like anything else: in the right markets, you can spend more and make more. London, New York and Hong Kong are prime examples. In real estate everything is local.
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