CAA clears runway for Arora’s rival Heathrow expansion plan

Ana Ives

ByAna Ives

May 15, 2026
The Civil Aviation Authority has set out four potential operating models for a third runway at the UK's largest airport, including the alternative £25 billion scheme proposed by hotel and property billionaire Surinder Arora.

The Civil Aviation Authority has set out four potential operating models for a third runway at the UK’s largest airport, including the alternative £25 billion scheme proposed by hotel and property billionaire Surinder Arora.

The regulator’s intervention marks the most significant shift yet in the long-running debate over how, and by whom, Heathrow should be expanded. For the first time, the door has been formally opened to a competitor operator designing, building, financing and running a new runway and terminal in direct competition with Heathrow Airport Limited.

Surinder Arora, founder and chairman of the privately owned Arora Group, welcomed the move. “Two years ago, competition at Heathrow wasn’t on the cards and now is very much alive and kicking because the case for change is so strong,” he said. “We welcome this consultation from the CAA.”

The Civil Aviation Authority’s consultation runs until the middle of June, with a high-level update expected in July and a detailed follow-up document in the autumn. The regulator said it had been tasked with exploring whether an alternative model for capacity expansion could better serve the interests of passengers and airlines using the West London hub.

Four models on the table

The CAA has concluded there are four potential routes forward. The first would maintain the status quo, allowing Heathrow itself to mastermind expansion but with a strengthened regulatory package, including tighter capital expenditure governance and greater scrutiny of the airport’s procurement processes. The second would introduce a longer-term price control mechanism to give Heathrow greater flexibility for cost-effective financing.

The two remaining options represent a more radical break. Under a “competitive delivery model”, Heathrow would be obliged to put elements of the expansion programme out to competitive tender while retaining overall responsibility for coordination and financing. The fourth and most disruptive option is the “alternative developer model” championed by Arora, in which a separate entity would design, build, finance, own and operate an asset such as a new terminal, providing services directly to airlines and competing head-on with Heathrow Airport Limited. Such a developer would require government permission to proceed.

Multi-operator terminal models are well established at hubs across North America and are increasingly common at major Asian and Middle Eastern gateways.

From £49bn vanity project to £25bn challenger

The Labour government has reopened the Heathrow expansion debate after years of political deadlock. Successive Conservative administrations had been unable to push the project through, hampered by local opposition, environmental challenges and resistance from London mayors, most notably Boris Johnson, whose Uxbridge and South Ruislip constituency lay close to the airport.

Chancellor Rachel Reeves threw her weight behind a third runway earlier this year, citing its potential to boost jobs and GDP. The intervention reignited a fierce debate over deliverability, cost and who should foot the bill.

Heathrow’s incumbent owners – a consortium of international investors that includes French private equity and the sovereign wealth funds of China, Saudi Arabia and Qatar – have put forward a £49 billion plan for a 3.5-kilometre runway. Critics argue the scheme is over-engineered, would cause long-term disruption to the M25 and risks becoming a vanity project funded through ever-higher passenger fees.

Arora, 67, one of Britain’s wealthiest individuals, has tabled a £25 billion counter-proposal for a shorter but fully operational 2.8-kilometre runway to the north of the two existing strips, alongside a new Terminal 6. Developed with American construction consultancy Bechtel, the plan promises to be operational by 2035, reduce land take, avoid the costly reconstruction of the M25, deliver better value for the travelling public and be far less disruptive to local communities and businesses.

Airlines line up behind reform

The CAA confirmed it has held discussions with both Heathrow’s owners and Heathrow Reimagined, the campaign group fronted by Arora Group and backed by IAG, owner of British Airways and the airport’s largest customer, as well as Virgin Atlantic. The carriers have pressed for urgent reform of the airport’s cost base ahead of any expansion sign-off, warning that without it the bill will inevitably be passed to passengers through higher fares.

Arora has previously cautioned that if the funding model is not overhauled, the third runway will simply not happen, pointing to examples of what he describes as overcharging by the airport’s current operator. Industry figures argue that introducing genuine competition at Heathrow would, for the first time, give airlines an alternative provider and place a meaningful check on costs.

The CAA’s working paper makes clear that its central objective is to identify the regulatory framework that best serves consumers, in line with its statutory duties. Whether that means a reinforced status quo or a once-in-a-generation opening up of Europe’s busiest two-runway airport will become clearer over the summer, when the Department for Transport is due to publish the draft Airports National Policy Statement and the CAA reaches a view on the long-term regulatory model.

For business travellers, the stakes are considerable. The choice between an entrenched monopoly delivery model and a competitive challenger will shape the cost, quality and timing of additional capacity at the UK’s premier international gateway for at least the next decade.

Ana Ives

ByAna Ives

Ana is a senior reporter at Travelling for Business covering travel news and features.