A Labour council in London has been ordered to scrap an “unlawful” low-traffic neighbourhood (LTN) in West Dulwich, south London, after losing a High Court battle that campaigners say could become a landmark decision for active travel policies across the UK.

The decision, delivered in May and finalised today with the rejection of Lambeth Council’s appeal, marks the first time an LTN has been scrapped by the courts. The council must now pay £35,000 in legal fees and comply with the judge’s order to quash the West Dulwich LTN, The Telegraph reports.

In a scathing ruling, Justice Smith said allowing the council to merely “revoke” the scheme would fail to properly “reflect the reality” of the battle waged by the West Dulwich Action Group (WDAG).

“Revoking the orders after I have made a finding of unlawfulness leaves the same impression as would an attempt to resign immediately after one has been fired,” he wrote.

Government tried to bury report which found that Low Traffic Neighbourhoods are effective and popular

The WDAG, formed by residents who argued that the scheme displaced traffic and worsened air quality on boundary roads, welcomed the decision.

A spokesperson said: “This ruling is definitive – the LTN was unlawful. The council has lost, has been denied permission to appeal, and must now face the consequences of what that means. At the top of that list is the £1 million in fines it issued while the unlawful scheme was in place.

“We now call on Lambeth Council to clarify whether it will refund those fines. This is not just about legality — it’s about fairness and public trust. If the law was broken, the money should be paid back.”

They also urged the council not to pursue further appeals. “Doing so would further waste taxpayers’ money and signal that its priority is protecting revenue, not engaging with the community it serves.”

The group added: “Let’s be clear: this case should never have gone to court. It could have been resolved through proper, respectful dialogue. Instead, Lambeth chose to defend litigation over listening — and the public has paid for it.”

Parsonage Road LTN planters, Manchester
Parsonage Road LTN planters, Manchester (Image Credit: Love Withington Streets)

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The ruling comes after a protracted legal battle in which WDAG argued that the council acted “unlawfully” by not consulting residents “genuinely and with an open mind” before implementing the trial, while also failing to follow draft statutory guidance on LTNs introduced by the Conservative government in March 2024, which called for councils to “put local consent first” when devising so-called “anti-driver schemes”.

“It’s a wake-up call to councils everywhere”

In his May ruling, Justice Smith said that the council was guilty of “serious failing”, stating that it had shown a “masterclass in selective partial reporting” and failed to take seriously the concerns raised by residents during consultations. He noted that an “impressive” report warning of increased congestion and pollution on surrounding roads had been ignored.

The judge also rejected the council’s argument that campaigners were only partially successful because they won just one of three legal claims. “Here, the claimant came to court seeking a quashing of the [traffic] orders. It has gone away, having achieved that objective. It has therefore been completely successful,” he wrote.

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The atmosphere of opposition to the LTN was laid bare in a six-hour meeting at West Norwood Library in April 2023, detailed in a High Court hearing in February this year. Some council staff were left “in tears” and offered a “wellbeing” day off after the meeting, which anti-LTN campaigners described as “challenging” but “not in any way abusive.”

Charles Streeten, representing WDAG, told the court that while there was “considerable hostility and anger shown by residents,” the council had simply failed to listen to legitimate concerns.

Railton LTN
Railton LTN (Image Credit: TfL)

WDAG argued that the LTN trial, introduced in late 2023 for an 18-month period, forced more traffic onto boundary roads like the A205 South Circular, exacerbating congestion and pollution. The group cited figures showing up to 200 additional vehicles per hour using roads such as Lancaster Avenue, Rosendale Road and Norwood Road — where more than 6,000 school children live or commute.

A spokesperson for the campaigners told The Standard in February: “Throughout this case, Lambeth council has sought to portray us as irrational, whilst it is they who have been consistently obstructive, dismissing legitimate concerns with generic, oversimplified arguments that do not address the realities for West Dulwich.”

The council’s original defence, presented in court by barrister Heather Sargent, argued that while some criticisms were made, they did not prove the consultation was so unfair as to be unlawful. “The consultation was obviously not so unfair as to be unlawful. Indeed, when the process as a whole is considered, the council does not accept that it was unfair at all,” she said.

However, Justice Smith noted that the council had acted irrationally by ignoring significant data and presenting a one-sided picture of public opinion.

Cyclist next to an LTN planter, Hackney, London
Cyclist next to an LTN planter (Image Credit: Adwitiya Pal)

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WDAG have celebrated this latest ruling as a “powerful precedent”. The statement added: “It’s a wake-up call to councils everywhere: to not impose blanket schemes ignoring genuine concerns and issues, and to work with your communities.

“We again invite Lambeth to return to the table and help co-create fairer, smarter approaches to car use, pollution, road safety, and sustainable travel – with data, community support, and clear success measures at the heart of every decision.”

This latest ruling follows a separate case in 2021 when Lambeth successfully defended its Railton LTN against a High Court challenge from a disabled resident who argued the scheme disproportionately affected car-dependent people.

Justice Kerr at the time dismissed claims that the council had failed its duties under the Equality Act 2010, stating: “The court takes no part in that debate and is wholly neutral on the merits or otherwise of LTNs.”

Anti-LTN campaigners, meanwhile, have taken to social media to hail the ruling as “excellent news” and describing it as a “humiliation” for the council, which sets a dangerous precedent for not just similar cases against low traffic neighbourhoods, but also other active travel and traffic calming measures, like cycle lanes, low-emission zones, and quiet streets.

road.cc has contacted Lambeth Council for a statement.