The City Remembers

Every few decades, urban planning rediscovers an idea so obvious that its reappearance is mistaken for innovation. The latest is the “fifteen-minute neighbourhood”: the proposition that most of daily life — the school run, the pharmacy, the grocery shop, a decent coffee — should lie within a quarter-hour's walk or cycle of the front door. Proximity, in other words, is being reintroduced as policy.

That it has to be reintroduced at all is the telling part. For most of urban history, proximity was not a design goal but a simple consequence of not owning a car. Shops sat beneath flats; workshops backed onto homes; the distance between where people lived and where they bought bread was measured in doorways, not miles. What dismantled this arrangement was the twentieth-century faith in separation: the zoning of the city into discrete districts for living, working, and shopping, stitched together by roads and premised on the assumption that everyone would drive.

The consequences of that assumption are now familiar. Sprawl pushed amenities out to the retail park and the ring road. The commute lengthened. Air quality declined, high streets hollowed out, and the elderly and the young, anyone without a licence, were quietly stranded. What is being proposed under the fifteen-minute banner is less a revolution than a repair.

And yet the repair has proved surprisingly contentious. In several cities the concept was seized upon by conspiracy theorists, who reimagined a planning ideal about convenience as a scheme to confine citizens to their districts. The episode was instructive. It revealed that the true obstacles to the walkable city are rarely engineering ones. The infrastructure is understood; the templates exist; the benefits are documented. What resists redesign is politics: the entrenched priority given to the car, the reluctance of retailers to abandon the out-of-town model, the suspicion with which any change to a familiar street is met.

The lesson, if there is one, is that cities are not so much rebuilt as renegotiated. A crossing here, a converted parking bay there, a corner shop granted permission where none was allowed before: the fifteen-minute neighbourhood, where it arrives, will arrive not as a masterplan imposed from above but as an accumulation of small permissions. It is, after all, only the city remembering how it used to work.