Do easier subdivision rules make housing cheaper and cities denser?
Core argument: Houston's 1998 planning change let landowners convert one home into three, creating space for new families in the heart of the city while generating a profit for the owners who subdivided.
Homes in Texan cities are cheap and their populations soaring because the state has made urban development easy. California, New York, and London are overheating and squeezing out young families because their planning systems place artificial constraints on supply, making urban development extremely difficult. It’s not just that Texas simply has more space to build on: its cities aren’t merely adding sprawl at the periphery, they’re densifying the existing city, and doing so by allowing existing homeowners to expand and subdivide their property. In Houston, a 1998 change to planning laws empowered landowners to turn one home into three — instantly creating space for new families in the heart of the city, while generating a tidy profit for themselves. A crucial detail was the inclusion of an opt-out for individual neighbourhoods whose residents wished to keep things as they were, increasing the scheme’s durability.

