What Britain's planning system has achieved
Some institutional failures are worse than plain incompetence. Planning is one of them. The system was built by capable people to solve real problems, and for a time it worked. Then it outlived the world it was designed for. Nobody voted to make it an obstacle. It became one anyway, slowly, while everyone's attention was on other things.
The Town and Country Planning Act of 1947 nationalized the right to develop land. Before it, if you owned a plot zoned for development, you built on it. After it, you still owned the land, but the state owned the permission. That permission is granted case by case, at the discretion of a local planning committee weighing ‘material considerations,’ a phrase that can mean almost anything a councillor wants it to mean.
The Act was not an unreasonable response to its time. Interwar Britain had watched ribbon development spread along arterial roads with no plan behind it and no infrastructure to support it. The urge to impose order was not foolish. But a system built to solve a problem from the 1930s is now the main reason that a family in 2026 cannot afford to live within reasonable reach of the jobs that would let them move ahead in life.
The green belt is the clearest casualty of this discretionary approach. It was meant to stop cities sprawling into open country. It has become something closer to a rationing device, a fixed ring of undevelopable land around every major city that guarantees, by simple arithmetic, that supply cannot rise to meet demand.
Much green belt land is not attractive countryside at all. It is scrubby, marginal ground that happens to sit on the wrong side of a boundary drawn in 1955. Golf courses take up more green belt than most people realize, and so do disused gravel pits. None of it is preserved for its beauty. It is preserved because reclassifying it would mean a political fight that nobody in local government wants, and the losers from that fight are organized and vocal, while the winners, people who would live in homes that do not yet exist, have no voice in the process at all.
The discretionary permission system adds a second layer of damage. Britain is one of the few developed economies where a developer cannot simply build what zoning permits. They must apply, negotiate, face objections, appeal, and often start again. These transaction costs are large, and they fall hardest on smaller builders. This is one reason why the housebuilding industry has consolidated into a handful of large firms with balance sheets strong enough to survive years of uncertainty on a single site.
A system meant to produce better-planned communities has instead produced fewer builders and slower delivery. Design has suffered too, since volume is what large firms optimize for once they clear the permission hurdle. Competition would have delivered better results.
Council housing, allocated by fixed stock and assessed need, is the matching failure on the demand side. It made sense when built at scale after two world wars, as a direct response to acute shortage. But allocating housing by queue position and need rather than price creates its own distortions. It traps people in place for fear of losing a tenancy priced well below the market level. It discourages the labour mobility a dynamic economy depends on. And because Right to Buy sold off stock without building enough to replace it, local authorities are left holding a shrinking, ageing asset while demand keeps rising.
Leasehold tenure is simply out of date. It is a feudal structure, with the freeholder as lord and the leaseholder as tenant, paying ground rent for the privilege of ‘owning’ a flat they cannot modify without permission and cannot sell without paying to extend the lease. That this survived into the housing market of the 2020s, spawning a small industry built on ground-rent extraction and management fees, says something about how little pressure old structures face to justify themselves against present need.
Listed building status and conservation area designation complete the picture, applied by local authorities with real enthusiasm. Whole streets are frozen against redevelopment in exactly the places, central, well served by transport, already built up, where adding homes would do the most good.
The pattern repeats through every part of the system. Each element was a sensible answer to a mid-century problem. None of them was designed to answer a different question - what happens if this remains in place eighty years on, unreformed, while the population grows and household patterns change beyond recognition?
That question was never asked. Nobody drafting a planning act in 1947 thought they were writing a permanent rule for the future. But that is what it became.
Madsen Pirie