CAA Permission for Construction Drones UK 2026

When Do You Need CAA Permission for Construction Drones?

Not every construction drone flight requires additional CAA permission. The Open Category, governed by CAP 722, allows flights with drones under 25 kg up to 120 metres altitude, provided you maintain visual line of sight and follow subcategory rules (A1, A2, or A3). For many basic construction tasks — such as capturing progress photography from a distance — the Open Category may suffice.

However, construction sites introduce specific challenges that frequently push operations into the Specific Category. You will likely need an Operational Authorisation if your work involves:

• Flying directly over workers or uninvolved persons on site
• Operating beyond visual line of sight (BVLOS) for large site surveys
• Flying at altitudes above 120 metres to capture full site overviews
• Operating in controlled airspace near airports or heliports
• Using drones heavier than 25 kg for payload delivery on site

Understanding the Specific Category and Operational Authorisation

The Specific Category sits between the Open Category and the Certified Category in the UK's risk-based regulatory framework. To operate here, you must apply to the CAA for an Operational Authorisation (OA), which requires completing a risk assessment that demonstrates your operation can be conducted safely.

Your application must include a thorough operational risk assessment. Many construction operators use the Specific Operations Risk Assessment (SORA) methodology, which the CAA accepts as a structured way to identify and mitigate ground and air risks. Your risk assessment should address:

• The specific construction environment, including cranes, scaffolding, and temporary structures
• Ground risk to workers and members of the public near the site boundary
• Air risk from other aircraft, particularly if the site is near a hospital helipad or airport
• Mitigation measures such as site exclusion zones, spotters, and emergency procedures

Step-by-Step Application Process

Applying for an Operational Authorisation follows a structured process through the CAA's online portal. Prepare the following before you begin:

1. Register as an operator: Obtain your Operator ID from the CAA (£10.33 per year) and ensure all remote pilots hold a valid Flyer ID (free, requiring a 20-question online test).
2. Complete remote pilot training: Pilots operating under an OA typically need training beyond the basic Flyer ID. A General Visual Line of Sight Certificate (GVC) from a CAA-recognised Assessment Entity is the standard qualification for commercial Specific Category work.
3. Prepare your Operations Manual: This document outlines your standard operating procedures, maintenance schedules, emergency protocols, and site-specific risk assessments. Construction operations should include procedures for coordinating with site managers and principal contractors.
4. Conduct the risk assessment: Complete your SORA or equivalent risk assessment covering the specific construction scenarios you intend to fly.
5. Submit to the CAA: Apply through the CAA's online portal with your Operations Manual, risk assessment, pilot qualifications, and insurance documentation.
6. CAA review: The CAA will assess your application and may request additional information or amendments. Processing times vary but typically take several weeks.

Construction-Specific Considerations Under HSE Regulations

Beyond CAA requirements, construction drone operators must comply with the Health and Safety Executive (HSE) framework. The Construction (Design and Management) Regulations 2015 (CDM 2015) apply to all construction projects, and drone operations on site fall within their scope.

Key HSE considerations include:

• CDM 2015 compliance: The principal contractor must be informed of all drone operations. Drone flights should be included in the construction phase plan, with risk assessments shared with the site safety team.
• Working at height: While drones reduce the need for personnel to work at height — a significant safety benefit — the drone operation itself must be risk-assessed, including the possibility of a drone falling onto workers below.
• Site coordination: Drone flights must be coordinated with crane operations, deliveries, and other site activities. A designated take-off and landing area should be established away from active work zones.
• Personal protective equipment: Drone pilots on construction sites must wear appropriate PPE including hard hats, high-visibility clothing, and safety footwear, even if operating from a designated safe zone.

GVC and Training Requirements for Construction Pilots

The General Visual Line of Sight Certificate (GVC) is the recognised qualification for pilots conducting commercial operations under the Specific Category. It is delivered by CAA-recognised Assessment Entities and covers theoretical knowledge, practical flight skills, and operational procedures.

For construction-specific work, pilots should also consider additional training in:

• Site safety induction procedures and CDM 2015 awareness
• Photogrammetry and LiDAR data capture techniques for survey work
• Thermal imaging operation for building inspection tasks
• Operating in GPS-degraded environments near steel structures and cranes

Some Assessment Entities offer construction-focused modules alongside the standard GVC syllabus, which can be valuable for operators specialising in the built environment sector.

Costs and Timeline for Getting Authorised

Budget for the following when planning your construction drone operation:

• Operator ID registration: £10.33 per year
• Flyer ID: Free (20-question online test)
• GVC training course: Typically £800 to £1,500 depending on the Assessment Entity
• Operational Authorisation application: No CAA fee for the OA application itself, but preparation of the Operations Manual and risk assessment requires significant time investment
• Insurance: Public liability insurance is essential; premiums vary based on coverage level and operational scope

From initial registration to receiving your OA, the entire process typically takes two to four months, depending on the complexity of your proposed operations and the CAA's current processing workload. Starting your application well before your first planned construction project is strongly recommended.