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The first thing that stands out to me in this European office vacancy rate chart from Savills is the difference between Paris-La Défense (~15%) and Paris-CBD (2%).
For those of you who maybe aren't familiar, La Défense is the largest purpose-built business district in Europe. It houses upwards of 40 million square feet of office space and covers about 1,400 acres. It's also more or less where Paris decided to allow and put tall buildings. Though, it is about 3 km west of the city limits.
The Paris-CBD, on the other hand, is within the city limits and I'm assuming it refers to the quartier central des affaires (QCA). But regardless of the exact boundary definitions, what we are comparing here is a purpose-built business district to an older supply-constrained central one. And clearly there are, right now, meaningful differences in demand for the offices in these two areas.
What's also interesting is that there's a meaningful difference in the rents. According to Reuters, office space in La Défense is on average about 50% cheaper than the QCA. This, to me, is a reminder that monofunctional urban areas tend to be less resilient over time. And that's why La Défense is actively working to add additional uses, such as more residential.
But it's not just about uses. The area will also need to contend with the fact that it has a vastly different kind of built form; one that isn't fine-grained and walkable like the QCA. This matters.
So, Herzog and de Meuron are building this trapezoidal-shaped tower in Paris right now.
It's 158m tall and about 40 storeys (which makes it comparable in height to One Delisle). It's extremely narrow in one direction (see above), and so from central Paris it is intended to be read as a kind of thin pencil tower. But when viewed in the east-west direction, you get the full width of its trapezoidal shape (see above, again).
Not surprisingly, this has been a highly contentious development -- which is why it was 15 years in the making. It is now under construction, though, and it is expected to be completed sometime in 2026. But this is likely to be the last tower in Paris for quite some time.
Partially because of this Triangle Tower, Paris has just decided to ban tall buildings in the city. The new height limit is now back to 37 meters (or 12 storeys), which is essentially the same height cap that was put in place in 1977 following completion of the Tour Montparnasse.
So this is seemingly how things work in Paris. Somebody builds a tall tower. People mostly hate it. And then the city bans tall buildings for a number of decades. The previous height cap was relaxed in 2010. (Also, for those of you who are wondering, La Défense, which is generally where Paris puts its tall buildings, is outside of the city limits.)
Regardless, I think there's no question that this new Triangle Tower is destined to become an iconic punctuation in the city's skyline. Which means that we're probably going to have to update our thinking. If Paris, today, is sometimes thought of as a city with two principal towers -- the Eiffel Tower and the "awful tower" -- it will soon be a city with three principal towers.
Perhaps the only question that remains is: Will people learn to love it like the Eiffel Tower or will it end up as another Tour Montparnasse?
Image: Herzog and de Meuron
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