*This article is based on information as of February 2026.

1. The New Town Law as the "Strongest Legal Engine"

First, we need to understand the core of this law. To sum up the New Town Law in one sentence,"A powerful execution engine that transcends existing frameworks for state-led new urban construction"Its features can be summarized into the following three points:

The Development Corporation, a task force directly under the control of the state

Normally, urban development requires consensus building among landowners and complex coordination with local governments. However, in the post-war emergency situation, there was no time to go through such a lengthy process. Therefore, the government decided to"Development Corporation"A special corporation was established.

This development corporation was given powerful roles and powers different from those of ordinary government agencies in order to ensure the swift and reliable creation and development of the new city.

• ① Land acquisition based on current use value The development corporation had the authority to compulsorily acquire land within the planned area (Compulsory Purchase Order: CPO), and the basis for calculating the compensation amount was extremely important.
  In principle, the acquisition price of land is"Current use value (usually farmland price) excluding the increase in land price (betterment) caused by development"This eliminated speculative profits based on the idea that "land values will rise because a railway is coming here," and created a system (value capture) in which the public sector absorbed development profits (land value uplift).
• ② Authority to integrate land use and infrastructure development The development corporation had the authority to develop not only housing, but also roads, water supply and sewerage systems, industrial parks, commercial facilities, and other infrastructure in an integrated manner.
  While this did not completely ignore the authority of existing local governments, it was a powerful scheme that allowed the development corporation to take the lead in master planning within areas designated by the national government, enabling rapid comprehensive development.
• 3) Self-supporting with Treasury Loans from the Ministry of Finance This is the biggest feature. The development funds are not a "one-time subsidy" but are provided by the government (Ministry of Finance)."Long-term loans (Advances/Loans)"was funded by
  For example, the model was to borrow funds with an extremely long repayment period of 60 years, and repay them with land rent, rental income, and profits from asset disposal after the city was completed. In other words, new town construction was designed not as a "charity project" but as a "business" that could expect to recoup its investment in the long term.

The Genealogy of "Garden Cities" and the Proximity of Work and Living

Furthermore, its ideological background is strongly influenced by the concept of the "Garden City" proposed by Ebenezer Howard in 1898.

Howard dreamed of cities as a third magnet, combining the "social opportunities" of cities with the "natural environment" of the countryside. The British New Towns Act can be seen as an attempt to use state power to materialize the garden city concept, which had previously been merely a private movement.

Therefore, the aim was not to create a "bedroom town" for those commuting to London, but to attract factories and offices, where people could work, live and play."Independent and Balanced Communities"It was the creation of

2. Comparison: British style vs. Japanese style

Let's compare British new towns with those built during Japan's period of rapid economic growth (Tama, Senri, etc.). Although both use the same term, "new town," their origins and design concepts are similar but different.

The difference becomes particularly clear when comparing Milton Keynes, considered the pinnacle of British new towns, with Tama New Town, a representative example in Japan.

[Illustration] Overwhelming differences in population density

The graph below visualizes the population density per hectare of both new towns. It is clear at a glance how densely Japan's new towns are designed, and how Britain's new towns place importance on "comfort."

3. Evolutionary History: From Failure to Success

The 32 new towns were not an overnight success. There was a history of numerous failures and trial and error to overcome them. The design philosophy evolved from "Mark I" to "Mark III" to adapt to the challenges of each era.

Generation 1 (Mark I): Resistance and Silkingrad

The first generation, designated between 1946 and 1950, including Stevenage and Crawley, were satellite towns located within 30 to 50 km of London.

However, the plans initially faced fierce resistance from local residents, particularly in Stevenage, the first designated area, which was exacerbated by the then Planning Minister, Lewis Silkin, who took a hardline stance at a residents' meeting.

The residents rebelled and changed the station sign without permission, playing with the minister's name."Silkingrad"This was a strong sarcastic remark by British citizens at the time, who called it "an authoritarian approach like that of the Soviet Union." As you can see, the construction of new towns was not a project that was entirely welcomed at the start.

Third Generation (Mark III): Masterpiece "Milton Keynes"

Milton Keynes, designated in 1967 after learning from the lessons learned from the first generation of new town plans, can be called the culmination of new town planning. The previous separation of pedestrians and vehicles and high-density designs were reviewed, and a more expansive and flexible urban structure was adopted.

The biggest feature is that it covers the entire city."Grid Roads"The original plan also envisaged traffic light-controlled intersections, but in the end, roundabouts were adopted at many intersections, ensuring smooth traffic flow (although the idea that there are no traffic lights is an urban legend, the efficiency is extremely high).

Furthermore, under the concept of "Forest City," abundant green spaces have been secured. According to The Parks Trust, approximately 251 TP3T in the new city area is managed as parks and green spaces, and more than 20 million trees have been planted. As a result, many companies have now relocated from London, and it has grown into an economic city that ranks among the top in the UK in terms of gross value added (GVA).

4. Light and Dark: The "Sell-Off" Behind the Success

However, not all of the UK's new town plans have been smooth sailing. There are both positive and negative aspects to their history that we must face up to today.

5. Applicability to modern Japan and Hokkaido

So, what questions does the history of the UK ask Japan in the future? The era of "expansion" based on population growth is over. However, the mechanism of "value circulation through a public framework" as outlined in the New Towns Act is itself relevant in a society with a declining population."Smart Shrinkage"It is here that its true value can be realized.

Proposal for a "Japanese version of DevCo (Tourism Revitalization Corporation)"

Specifically, the following scheme could be considered in areas such as Toyako Town and Yubari City in Hokkaido, or hot spring resorts across the country, where the population has declined since their former prosperity and maintaining infrastructure has become a burden.

① "Public collection" of negative legacies
A "special purpose company" (public corporation) that is not bound by the single-year accounting of local governments would consolidate and acquire "negative assets" such as abandoned hotels, land with unknown owners, and abandoned farmland with a certain degree of coercive power. This would require legal backing for public intervention, similar to compulsory acquisition (CPO) under UK law.

② Extending the timeline (patient capital)
Similar to the 60-year loans taken out by UK development corporations, this is a perspective of recovering investments over an ultra-long span of 30 to 50 years. This is a model in which the national and prefectural governments provide "patient capital" that does not seek to turn a profit in the short term, and revitalize the region over time.

3) Asset management (stewardship)
And the most important aspect is the "exit strategy." Rather than simply selling the consolidated and regenerated land to the private sector, the public sector and local communities will continue to own it and lease it to private businesses for the long term. This will allow for flexible responses to future changes in land use, while creating a cycle in which rent income can continue to be used to maintain infrastructure.

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