What are the disadvantages of airport expansion?

Some of the disadvantages include an increase in noise and air pollution during the construction and then running of the airport. The airport could also be an eye-sore to the community and cause traffic congestion and increase commute times for the local people.



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It would signify misery for the surrounding area: local people already endure bad air pollution, and the noise and disruption of approximately 1,300 planes taking off at Heathrow daily. Expansion will mean around 700 more flights per day, and many people would even lose their homes if it's built.

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The air cargo system is vulnerable to several security threats including potential plots to place explosives aboard aircraft; illegal shipments of hazardous materials; criminal activities such as smuggling and theft; and potential hijackings and sabotage by persons with access to aircraft.

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Heathrow is already one of the biggest single sources of greenhouse gases in the UK, and yet government, big business and Heathrow plan to increase its contribution to climate breakdown by building a third runway. We all know we are in a climate emergency.

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Disadvantages of Air Transport
  • High Cost. This is significantly more costly for its services than land, rail, and water transportation. ...
  • Risky. ...
  • Limited capacity. ...
  • Uncertain and Unreliable. ...
  • Accident-prone. ...
  • Requires Skill. ...
  • Large Investment. ...
  • Unfit for cheap and bulky goods.


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The Supreme Court overturned the ban and ruled that Heathrow's expansion strategy was not illegal, stating that the Paris Agreement does not qualify as UK government policy. Tim Crosland, a lawyer at Plan B, which brought the case along with Friends of the Earth, described it as a “really dreadful ruling”.

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As with other airports worldwide, Heathrow has been experiencing chaos due to staff shortages amid a summer rush as Covid-19 bans are being lifted.

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Despite filling almost 24% more seats during the pandemic, Heathrow has yet to recover fully. Nevertheless, in 2022, it was ranked as the world's second-busiest airport, with approximately 61.6 million passengers.

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As the industry plans to support a near doubling of passenger and cargo numbers by 2036, demand for pilots, engineers, air traffic controllers and other aviation-related jobs is expected to rise dramatically. What is also certain is that innovations in technology and approaches will be needed to sustain this growth.

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Building a runway is even more complex than building a major highway/motorway, which has similar demands in terms of the need for an extremely well engineered surface, high levels of quality control in the materials used, and superior drainage.

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