UK-SECREffective

Streamlined Energy and Carbon Reporting (SECR) – Companies (Directors' Report) and LLPs (Energy and Carbon Report) Regulations 2018

United Kingdom · UK Government (Department for Business and Trade)

UK regime requiring quoted companies, large unquoted companies, and large LLPs to disclose UK energy use, GHG emissions, and at least one intensity metric in their annual reports. Quoted companies report global Scope 1+2 emissions plus underlying global energy use.

Category
Mandatory energy and emissions reporting
Enforcement
Mandatory
Effective date
Financial years starting on or after 1 April 2019
Covered entities
Quoted companies; large unquoted companies and large LLPs (meeting two of: >250 employees, >£36m turnover, >£18m balance sheet). Low energy users (<40 MWh) exempt.
Notes
Operates alongside the 2022 CFD Regulations. Likely to be reviewed once UK SRS regime matures.

Sources

Verified 2026-04-30

Related regulations

UK-SRS

UK Sustainability Reporting Standards (UK SRS S1 and UK SRS S2)

United Kingdom · UK Government (DBT) / FRC; FCA for listed-entity application
Final standards published (voluntary); FCA consulting on mandatory listing-rule application

The UK government has endorsed IFRS S1 and S2 as UK SRS S1 and S2 for voluntary use. The FCA is consulting on listing rules that would make UK SRS S2 mandatory for listed issuers, with Scope 3 and non-climate sustainability on a comply-or-explain basis.

Enforcement
Voluntary at publication. FCA proposes mandatory UK SRS S2 for listed issuers (Scope 3 and broader sustainability on comply-or-explain).
Effective date
TBD pending FCA listing-rule outcome
Covered entities
Any UK entity (voluntary). FCA proposal targets in-scope listed issuers.
Effective

UK regulations requiring around 1,300 of the largest UK companies and LLPs to make TCFD-aligned climate disclosures in their strategic report covering governance, strategy, risk management, and metrics and targets. The first G20 mandatory TCFD-aligned regime.

Enforcement
Mandatory
Effective date
Financial years beginning on or after 6 April 2022
Covered entities
Traded companies, banking companies, authorised insurers, AIM-listed companies with >500 employees, and other large companies/LLPs with >500 employees and >£500m turnover
Primary source ↗Verified 2026-04-30
Effective (phased)

FCA regime for sustainability disclosure and fund labelling, with four investment labels (Focus, Improvers, Impact, Mixed Goals), anti-greenwashing requirements for all FCA-authorised firms, and naming/marketing rules for funds making sustainability claims.

Enforcement
Mandatory
Effective date
Anti-greenwashing rule from 31 May 2024. Investment labels available from 31 July 2024. Naming and marketing rules from 2 December 2024.
Covered entities
FCA-authorised firms (anti-greenwashing); UK asset managers and distributors of investment funds (labels, naming and marketing, disclosures)
Primary source ↗Verified 2026-04-30
In force from 31 May 2024

The rule requires that any reference an authorised firm makes to the sustainability characteristics of its products or services is consistent with those characteristics and is fair, clear and not misleading. FG24/3 sets out the FCA's expectations on substantiation, evidence and ongoing review.

Enforcement
Mandatory
Effective date
31 May 2024
Covered entities
All FCA-authorised firms making references to the sustainability characteristics of a product or service to UK clients (retail or professional)
Primary source ↗Verified 2026-04-30
Guidance issued 20 September 2021; supplementary supply-chain guidance issued 22 January 2026; CMA gained direct enforcement powers under the Digital Markets, Competition and Consumers Act 2024 (in force April 2025)

The Green Claims Code sets six principles for environmental claims: claims must be truthful and accurate, clear and unambiguous, must not omit material information, comparisons must be fair, the full life cycle must be considered, and claims must be substantiated. Breaches are pursued under consumer protection law; the CMA can now impose civil fines of up to 10 percent of global turnover.

Enforcement
Guidance (interpreting binding consumer protection law)
Effective date
20 September 2021
Covered entities
Any business selling or promoting goods or services to UK consumers, including non-UK businesses marketing into the UK
Primary source ↗Verified 2026-04-30
UK-MSA-S54

Modern Slavery Act 2015, Section 54 (Transparency in supply chains)

United Kingdom · Home Office (policy and guidance); Secretary of State for the Home Department can seek injunctions in the High Court
In force from 29 October 2015

Covered organisations must publish an annual modern slavery and human trafficking statement, approved by the board (or equivalent) and signed by a director, setting out the steps taken (or stating that no steps were taken) to ensure slavery and human trafficking are not occurring in their business or supply chains. The Home Office maintains a central registry and the Secretary of State may seek civil injunctions for non-compliance.

Enforcement
Mandatory
Effective date
29 October 2015; first statements required for financial years ending on or after 31 March 2016
Covered entities
Commercial organisations (any body corporate or partnership, wherever incorporated) carrying on any part of a business in the UK and supplying goods or services with a total annual turnover of GBP 36 million or more (group turnover where applicable).
Primary source ↗Verified 2026-04-30