What is UK SRS? UK SRS S1 and UK SRS S2 Explained

What is UK SRS? UK SRS (UK Sustainability Reporting Standards) comprises UK SRS S1 and S2 — the IFRS-based UK framework for mandatory sustainability reporting. UK SRS S2 covers climate disclosures (mandatory 2027) while UK SRS S1 addresses general sustainability matters (mandatory 2029).

UK SRS S1 Details →UK SRS S2 Guide →

What is UK SRS S2?

UK SRS S2 establishes mandatory climate-related disclosure requirements based on IFRS S2. It requires companies to report on climate governance, strategy, risk management, and metrics including Scope 1, 2, and 3 emissions.

Mandatory Date: January 1, 2027 (proposed)
Scope: UK-listed companies with Premium Listing (~700 companies)
Complete UK SRS S2 guide →

What is UK SRS S1?

UK SRS S1 provides general requirements for sustainability reporting based on IFRS S1. It covers governance, strategy, risk management, and metrics for all financially material sustainability matters beyond climate.

Mandatory Date: January 1, 2027-2029 (companies can defer 2 years)
Basis: Comply-or-explain approach
Complete UK SRS S1 guide →

UK SRS S1 and S2: Key Differences

Timeline

S2: Mandatory 2027
S1: Comply-or-explain 2027-2029

Scope

S2: Climate-specific disclosures
S1: All material sustainability matters

Approach

S2: Mandatory compliance
S1: Comply-or-explain framework

Implementation Timeline

2026
FCA Policy Statement expected (Autumn 2026)
2027
UK SRS S2 mandatory implementation (proposed) + UK SRS S1 comply-or-explain begins
2029
Latest date for UK SRS S1 mandatory compliance (2-year deferral ends)

Related UK SRS Resources