New Urbanism is a planning and design movement that shapes towns around walkable neighbourhoods, mixed uses, connected street networks and clearly defined public space rather than car dependent sprawl. Organized by the Congress for the New Urbanism in the 1990s, it treats street sections and building form as the primary tools of city making.
It is one of the few movements that produced a rulebook, a professional body and hundreds of built projects you can visit. That also makes it heavily contested, so understanding it means reading the charter alongside its critics.
What Was New Urbanism Reacting Against?
Post war North American development separated life into zones: housing in one place, shops in another, offices somewhere else, with roads carrying people between them. Single use zoning made that legally binding, and parking minimums, wide collector roads and cul de sac subdivisions made it permanent.
Because street networks branched instead of connecting, a neighbour half a kilometre away as the crow flies might be four kilometres away by road. New Urbanism grew out of the argument that this was a design problem, not only a policy problem. Its founders looked at pre 1930s American towns and at traditional neighborhood development patterns, then asked why those had become illegal to build. The answer was the code, so that is what they set out to rewrite.
The Congress for the New Urbanism and the Charter
The movement became an institution in 1993 with the founding of the Congress for the New Urbanism. Three years later the group adopted the Charter of the New Urbanism, twenty seven principles arranged across three scales: the region, the neighbourhood, and the block, street and building. The CNU board began an amendment process in 2024. That structure matters more than the individual clauses, since it makes the movement argue about metropolitan growth boundaries and kerb radii in one document.
🎓 Expert Insight
"Neighborhoods should be diverse in use and population; communities should be designed for the pedestrian and transit as well as the car; cities and towns should be shaped by physically defined and universally accessible public spaces." Charter of the New Urbanism, Congress for the New Urbanism, 1996
Notice that it never mentions style. The charter reads as public policy, which explains why so much New Urbanist work ends up as zoning code rather than as buildings.
The Core New Urbanism Principles
A handful of operational ideas do most of the work, and each one carries a measurable design consequence.
Walkability and the Five Minute Neighbourhood
The organizing unit is a neighbourhood roughly a quarter mile across, about a five minute walk from edge to centre. Daily needs sit at the centre and housing radiates outward. Walkability here is not a slogan, it is a radius.
Mixed Use and Housing Variety
Shops, workplaces and homes share blocks and sometimes buildings. Housing types vary within one street: apartments above shops, townhouses, detached houses, units over garages. The aim is a neighbourhood holding a range of incomes and ages rather than one demographic band.
Connected Street Networks
A grid or modified grid replaces the branching hierarchy of collectors and cul de sacs. Blocks are short, typically 60 to 120 metres per side, which multiplies routes and spreads traffic across many small streets. Narrow lanes, tight kerb radii and on street parking slow cars without speed bumps.
Public Space as the Organizing Element
Squares, greens and streets are treated as outdoor rooms. Buildings hold the pavement edge in a continuous frontage, parking goes behind or below, and civic buildings take the terminated vistas.
The Transect and Form Based Codes
Instead of separating land by use, the rural to urban transect sorts places into six zones, from natural land through rural, suburban and general urban to urban centre and urban core. Each zone gets its own setback, height, frontage and street section rules. Form based codes turn that into legal text, regulating the shape of buildings while leaving the use relatively open.
💡 Pro Tip
Draw the street section at 1:100 before you draw a single plan at 1:500. Kerb to kerb width, footpath width, tree spacing and building height together decide whether the space feels enclosed. Plans hide that; sections cannot.
Built Examples and How They Actually Perform
Seaside in the Florida panhandle, master planned in 1981 by Andrés Duany and Elizabeth Plater Zyberk, was the proving ground for the urban code as a design instrument. It works beautifully as a place to walk, but it is a seasonal beach town of expensive second homes, a narrow test of a theory about everyday urban life.
Kentlands in Gaithersburg, Maryland, planned in 1988, moved the same ideas into a year round suburb near Washington DC. It delivered short blocks, alleys and a walkable core, yet the surrounding road network stayed car oriented, so residents walk within Kentlands and drive everywhere else.
Poundbury in Dorchester, England, begun in 1993 on Duchy of Cornwall land to a masterplan by Léon Krier, is the most complete European test. It puts affordable housing, provided at 35 percent of the total according to the Poundbury development team, on the same streets as market housing without visual distinction and mixes light industry into a residential fabric. Three decades of ridicule aimed at its traditionalist architecture have obscured what its planning is doing.
🏗️ Real-World Example
Seaside, Walton County, Florida, from 1981: the town was regulated by one illustrated urban code on a single board, setting out building types with their setbacks, heights and frontage rules. That drawing spread form based coding further than any written manifesto the movement produced.
What Are the Main Criticisms of New Urbanism?
The first critique is aesthetic conservatism. Much New Urbanist building borrows historical vocabulary, and critics read the result as nostalgia for an imagined small town past. Defenders reply that the charter regulates form and not style, true of the text but harder to argue in front of the photographs.
The second is affordability. Walkable neighbourhoods become desirable, prices rise, and the socially mixed community described in the charter drifts towards an affluent one. Design alone cannot hold prices down without housing policy attached to it.
The third is the most damaging. On a greenfield site at the metropolitan edge, the outcome can be a walkable island reachable only by car: the internal streets follow the charter while the project extends the sprawl the movement opposed. The United States Environmental Protection Agency's smart growth programme frames this as a question of where growth goes, not only how it is shaped once it arrives.
| Principle | What It Looks Like on the Ground | Where Critics Push Back |
|---|---|---|
| Walkable neighbourhood | Quarter mile radius, daily needs at the centre | Works internally, but the trip out is still by car |
| Mixed use | Shops and workplaces inside the residential fabric | Small scale retail often needs subsidy to survive |
| Connected streets | Short blocks, grid or modified grid, alleys | Hard to retrofit into existing branching suburbs |
| Form based codes | Rules for height, setback and frontage | Can standardise very different places |
How It Relates to the 15 Minute City and Transit Oriented Development
The 15 minute city, popularized by Carlos Moreno at the Sorbonne and adopted as Paris policy from 2020, shares the proposition that daily needs should sit within a short walk. New Urbanism arrived through architecture and produced codes about building form; the 15 minute city came through geography and policy and cares more about the distribution of services.
Transit oriented development overlaps at the regional scale, since both concentrate density around stations. Compact form cuts vehicle kilometres travelled, and the tree canopy and reduced paving that make a street pleasant also lower surface temperatures, linking the argument to urban heat island effects and to the agenda behind sustainable design for students.
What Students Can Take Into a Studio Project
You do not have to accept the movement's aesthetics to use its measurements. Keep perimeter blocks between roughly 60 and 120 metres per side and the pedestrian network largely takes care of itself; past about 200 metres people resent the detours. Hold a consistent building line, because one building set back thirty metres for a car park collapses the enclosure of a whole block.
Decide the height to width ratio of the street early, since something between 1:1 and 1:3 usually feels held rather than exposed, and settle it before the trees, parking bays and footpath widths. These arguments also separate an architect's contribution from a planner's, covered in our comparison of the architect and urban planner roles, and the essentials for architects collection covers the drawing kit for a masterplanning studio.
Frequently Asked Questions
Is New Urbanism the Same as Smart Growth?
No. Smart growth is a policy framework about where and how metropolitan areas grow, promoted in the United States through agencies including the EPA. New Urbanism is a design movement with a charter behind it. Smart growth works through regional policy, New Urbanism through physical design and coding.
Who Founded New Urbanism?
It was founded in 1993 by a group including Andrés Duany, Elizabeth Plater Zyberk, Peter Calthorpe, Daniel Solomon, Stefanos Polyzoides and Elizabeth Moule. Léon Krier's writing on traditional urban form shaped the theory, and Jane Jacobs's criticism of post war planning stands behind it.
What Is Traditional Neighborhood Development?
Traditional neighborhood development, or TND, is the project type the movement produces: a mixed use, walkable neighbourhood with a defined centre and edge, a connected street network and a range of housing types. Many American municipalities now have a TND ordinance permitting it alongside conventional subdivision rules.
Is New Urbanism Still Relevant?
Its vocabulary has been absorbed almost completely: walkability, mixed use, connected networks and form based coding are standard planning language. The open question is whether its methods work for retrofitting existing suburbs and dead shopping centres, where most of the demand now sits.
The Bigger Picture
The most useful thing about New Urbanism may be that it wrote its rules down. A manifesto is easy to admire and impossible to test, while a code specifying block length and setback can be measured against the place it produced, and it can fail in public. Thirty years of criticism were possible because the movement made itself falsifiable.
Comments (0)
Back to Architecture and Design Blog