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UK SRS Standards

UK SRS S1 and S2: Complete Standards Guide 2026

Comprehensive guide to UK Sustainability Reporting Standards S1 and S2, implementation timeline for 2026, ISSB alignment, and consultation updates.

📷 Markus Winkler

What are UK SRS S1 and S2 Standards?

The UK SRS S1 and S2 (UK Sustainability Reporting Standards) represent a transformative shift in corporate reporting, establishing mandatory sustainability disclosure requirements for UK businesses. Based on the International Sustainability Standards Board (ISSB) framework, UK SRS Standards will fundamentally change how companies report their environmental and social impacts starting in 2026.

Understanding UK SRS S1 and S2

UK SRS S1: General Requirements

UK SRS S1 establishes the foundation for all sustainability disclosures under the UK SRS standards framework.

  • • Foundation for sustainability reporting
  • • Materiality assessment requirements
  • • Governance and risk management framework
  • • Connectivity between financial and sustainability information
  • • ISSB alignment with UK-specific modifications

UK SRS S2: Climate-related Disclosures

UK SRS S2 mandates comprehensive climate reporting following TCFD recommendations.

  • • Climate risk and opportunity reporting
  • • Scope 1, 2, and 3 greenhouse gas emissions
  • • TCFD recommendations alignment
  • • Transition planning requirements
  • • Scenario analysis obligations

UK SRS 2026 Implementation Timeline

2024-2025: Preparation Phase

Q3 2024

  • • UK SRS Exposure Draft published
  • • Industry consultation opens

Q4 2024 - Q1 2025

  • • UK SRS consultation period
  • • Industry feedback collection

Q2 2025

  • • Final UK SRS standards endorsed
  • • Implementation guidance issued

Q3-Q4 2025

  • • Implementation preparation
  • • Systems and processes setup

UK SRS 2026: Mandatory Implementation

January 2026

UK SRS S1 and S2 become mandatory for financial years beginning 1 January 2026

Throughout 2026

Data collection and preparation for first UK SRS reports

2027

First UK SRS S2 climate reports published by companies

UK SRS S2 Climate Disclosures: Four Pillars

1. Governance

  • • Board oversight of climate issues
  • • Management roles and responsibilities
  • • Climate competence requirements
  • • Remuneration links to climate targets

2. Strategy

  • • Climate risks and opportunities
  • • Business model impact assessment
  • • Financial planning integration
  • • Scenario analysis requirements

3. Risk Management

  • • Climate risk identification processes
  • • Enterprise risk integration
  • • Assessment methodologies
  • • Monitoring and review procedures

4. Metrics and Targets

  • • GHG emissions reporting (Scope 1, 2, 3)
  • • Climate targets and commitments
  • • Internal carbon pricing disclosure
  • • Progress tracking mechanisms

UK SRS and ISSB Alignment

Areas of Alignment

  • • Core framework matching ISSB standards
  • • Materiality concepts alignment
  • • Climate risk categories consistency
  • • Measurement methodologies harmony
  • • Global comparability maintenance

UK-Specific Divergences

  • • Mandatory assurance requirements
  • • UK regulatory references
  • • Enhanced transition planning
  • • Links to UK Net Zero commitments
  • • Simplified requirements for smaller entities

UK SRS Consultation: Key Industry Feedback

Data Challenges Identified

Industry consultation highlighted significant data quality concerns for UK SRS S2 implementation:

  • • UK SRS S2 Scope 3 data quality issues
  • • Value chain information gaps
  • • Need for sector-specific guidance
  • • Integration challenges with existing systems

Timeline Modifications

Based on consultation feedback, potential timeline adjustments include:

  • • Extended transitions for complex disclosures
  • • Additional materiality guidance
  • • Clarified assurance requirements
  • • Sector-specific implementation support

Preparing for UK SRS 2026: Immediate Actions

Gap Analysis Phase

  • • Assess current sustainability reporting
  • • Identify UK SRS S2 climate data gaps
  • • Review governance structures
  • • Benchmark against requirements
  • • Evaluate assurance readiness

Data Infrastructure Build

  • • Implement UK SRS reporting systems
  • • Establish GHG emissions calculations
  • • Develop internal controls
  • • Prepare audit trails
  • • Train internal teams

Prepare for UK SRS 2026 Implementation

Don't wait until 2026. Start your UK SRS S1 and S2 preparation now with expert guidance and proven implementation frameworks.