Currently, we cannot develop on the hills, because the current technology at hand is not allowing us to develop higher than the level of the water reservoirs. But after 2015, we will have technology at hand to allow us to develop on the hills. This will give scope to the year 2020. |
The main economic factor that drives densification is when the cost of the land is higher than the cost of the building on it. Then, the building should be demolished to give way to a new one. |
The only limiting factor is water but with more town houses and flats, there won't be space for lawns to be watered and if the water becomes scarce, the price will go higher and everyone will only use that quantity that is needed. The answer is technology. |