Campaigners opposing the expansion of Gatwick Airport have suffered a legal setback after the High Court dismissed their challenges to the project. The court upheld the decision made by Transport Secretary Heidi Alexander in September to approve the £2.2 billion development plan.

The expansion aims to increase Gatwick's flight movements by approximately 100,000 per year, with the airport's owner projecting the creation of 14,000 new jobs and an annual economic boost of around £1 billion. The scheme, focused on West Sussex, has been promoted as a significant driver for business, tourism, and trade in the United Kingdom.

Opponents, including campaigner Peter Barclay and the group Communities Against Gatwick Noise Emissions (Cagne), argued that the Department for Transport (DfT) failed to properly consider the environmental and climate impacts of the expansion. They also contended that the project was unnecessary given Gatwick’s close proximity to Heathrow Airport.

However, Mr Justice Mould rejected these claims, ruling that the Secretary of State’s decision was reasonable and supported by clear and adequate justification. The court stated that the government had conducted a proper assessment in line with legal requirements.

Representatives from the campaign groups stated their intention to persist in opposing the expansion. Cagne emphasized the ongoing commitment to defending affected local communities from the consequences of increased air traffic and noise pollution. Peter Barclay echoed this position, underscoring the need to continue challenging the government's approval of what he described as a damaging development.

Gatwick Airport Limited responded by highlighting the anticipated benefits of the project, reiterating that the expansion would bring substantial advantages to the UK economy and labor market.

The ruling signifies a key milestone in the progression of Gatwick’s growth strategy, although opposition voices signal that debate and resistance may continue in other forums.