CAA proposes reform of UK airspace modernisation process

Above: CAA offices, Gatwick.
Copyright CAA

The consultation outlines proposals to streamline and improve the timeliness of how airspace proposals are developed and decisions are made, while ensuring the process remains transparent and evidence-based. The regulator is seeking views from a wide range of stakeholders on these proposals.  

The current process, first introduced in 2018 and updated in 2023, now requires further reform to reflect experience of where the current process is effective and where it is not working effectively or is creating disproportionate work, and to take account of the creation of the UK Airspace Design Service (UKADS). The proposed framework will enable the UKADS and new users, working with stakeholders, efficiently to deliver modernised design. 

UK airspace modernisation is a cornerstone of the UK’s transport strategy. The Civil Aviation Authority is working with the Department for Transport to ensure reforms to our processes align with our commitments to proportionate and effective regulation.  

Modernised airspace designs will improve the overall capacity of this key national infrastructure to safely deliver airport capacity limits established in planning decisions, strengthen the resilience of aviation operations, whilst taking account of the government’s environmental objectives.  In time modernisation will facilitate safe integration of new and innovative types of aircraft with other airspace users. 

Rob Bishton, Chief Executive of the UK Civil Aviation Authority, said: “Airspace is one of the UK’s most important pieces of national infrastructure. If we want our aviation system to grow in line with planning system decisions, be resilient, compete internationally, and adapt to new technologies, the way we manage and modernise that airspace must also evolve.  

“This consultation sets out reforms that will make the system simpler and more proportionate, while retaining the key evidence and transparent approach. It is a critical step towards delivering the airspace modernisation the UK needs.”  

Karen Dee, chief executive of AirportsUK, said: “Airports fully support the drive to reform and modernise UK airspace, and welcome moves from government and the regulator to simplify and speed up the process for doing so”. 

“UK airspace – essentially our motorways in the sky – has not seen major reform since the 1950s. As a result, we are unable to take full advantage of the amazing technological advancements and innovations which have been developed and which can offer benefits to passengers.

“Airspace modernisation is also a vital part of the aviation sector’s drive to decarbonise and reduce noise and local air pollution impacts, through more efficient, less fuel intensive routes, faster climbs and descents, and streamlining arrivals and departures to avoid stacking and idling on runways.

“Without reforms that ensure the process is delivered more efficiently and effectively, the UK will fall behind its neighbours at a time when it is keen to show the world it is competitive and focussed on economic growth.”


The consultation will run for 12 weeks, closing on 18th December 2025. Full details and information on how to respond are available on the Civil Aviation Authority’s Citizen Space platform.