London Luton Airport Expansion (Terminal Capacity Increase)
Luton, Bedfordshire, UK · 2022-ongoing (consultation 2022, DCO approval April 2025) · £2.5 billion (estimated construction programme cost, 2023 prices)
The judgement call
Account-gated at launchThe project aims to deliver significant economic benefits and job creation for the region. - The DCO approval in April 2025 was a major milestone, despite strong opposition and legal challenges related to environmental concerns. - The expansion plan highlights the ongoing tension between economic development and environmental protection in major infrastructure projects. - The project involves a new terminal and significant extensions, demonstrating a comprehensive approach to capacity increase.
Key engineering challenges
Expanding airport capacity within existing land constraints and managing environmental impacts, particularly greenhouse gas emissions. - Navigating a complex Development Consent Order (DCO) process and addressing legal challenges from environmental groups. - Integrating new terminal buildings, piers, and airfield infrastructure with the existing airport layout. - Ensuring the expansion supports economic growth and job creation while mitigating local community concerns.
Project facts
- Client / owner
- Luton Rising (owner of London Luton Airport)
- Lead contractor
- Not yet appointed (planning phase)
- Lead designers
- IDOM (planning and design services); AECOM (building capacity for the future)
- Project type
- expansion | new build
- Scale
- Increase capacity from 18 million to 32 million passengers per annum (mppa); new terminal; extension of existing Passenger Terminal Building (PTB); new pier; 2 Rapid Exit Taxiways; two new aprons; additional taxiways; multi-storey short-stay/mid-stay car parks.
- Disciplines
- civil; structural; architectural; mechanical; electrical; aviation planning; environmental engineering; urban planning
- Standards & frameworks
- Development Consent Order (DCO) process
Sources: Luton Rising: Future LuToN – our proposed development and the DCO (https://lutonrising.org.uk/our-airport/future-luton/) - AECOM: London Luton Airport’s expansion: building capacity for the future (https://aecom.com/projects/london-luton-airports-expansion-building-capacity-for-the-future/) - BBC News: Luton airport expansion approved by government (https://www.bbc.com/news/articles/cy4vg2d9v7no) - The Planning Inspectorate: London Luton Airport Expansion (https://national-infrastructure-consenting.planninginspectorate.gov.uk/projects/TR020001) - Building.co.uk: Government gives £2.4bn Luton Airport expansion green light (https://www.building.co.uk/news/government-gives-24bn-luton-airport-expansion-green-light/5135373.article)