Guide

Environmental Permit - Part A(1) Installation

Large combustion plant (50MW thermal input and above) and other major industrial installations require a Part A(1) environmental permit.

Manufacturing & EngineeringEnergy & Utilities UK-wide

What is a Part A(1) installation?

Part A(1) installations include combustion plant with thermal input of 50MW or more, refineries, and other major industrial processes with significant environmental impact.

Decarbonisation readiness (from Feb 2026)

  1. Submit bespoke permit application

    Submit bespoke permit application to Environment Agency

  2. Include Environmental Impact Assessment

    Include Environmental Impact Assessment if required

  3. Demonstrate BAT compliance

    Demonstrate Best Available Techniques (BAT) compliance

  4. Include decarbonisation readiness

    From Feb 2026, include decarbonisation readiness report

  5. Pay application fee

    Pay risk-based application fee (typically £10,000-£50,000+)

  6. Allow determination time

    Allow 12-18 months for determination of complex applications

Apply for a Part A(1) environmental permit

Get an environmental permit for intensive livestock

Step-by-step guide for intensive poultry and pig farmers who need an Environment Agency environmental permit under the Environmental Permitting Regulations 2016. Covers permit thresholds, pre-application ammonia screening, the bespoke Part A(1) application process, BAT compliance, ongoing permit conditions, variation and surrender, and interaction with planning permission. Includes devolved nation guidance for Scotland (PPC regime via SEPA) and Wales (NRW).

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Hydrogen Production Licensing and Compliance

Licensing, safety, and environmental requirements for hydrogen production facilities in the UK. Includes Low Carbon Hydrogen Standard certification, environmental permits, planning consent, COMAH compliance, and government funding through the Hydrogen Production Business Model.

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