When do UK SRS become mandatory?

UK SRS are currently voluntary, published 25 February 2026 by DBT. The FCA's CP26/5 consultation proposes mandatory application from 1 January 2027 for listed companies, subject to a final policy statement expected autumn 2026.

Which companies will need to comply when UK SRS become mandatory?

Under the FCA's CP26/5 proposals, UK-listed companies will be first in scope from 2027. The framework may later expand to large private companies and Public Interest Entities through secondary legislation.

What is the current status of UK SRS?

UK SRS were published by DBT on 25 February 2026 and are available for voluntary early adoption. The FCA consultation on mandatory rules closed 20 March 2026, with final policy decisions expected autumn 2026.

PUBLISHED 25 FEBRUARY 2026 • VOLUNTARY ADOPTION NOW

UK SRS Timeline & Implementation Roadmap

UK Sustainability Reporting Standards were published by DBT on 25 February 2026 for voluntary adoption.The FCA proposes mandatory application from 1 January 2027, subject to final policy statement in autumn 2026.

UK SRS Key Timeline & Dates

Standards Published

25 February 2026

UK SRS published by DBT - voluntary adoption now available

Proposed Mandatory Date

1 January 2027

FCA proposal - subject to final policy statement autumn 2026

Current Status: Voluntary Adoption

Now available:Voluntary early adoption of UK SRS
Autumn 2026:FCA final policy statement expected
If approved: Mandatory from 1 January 2027 for listed companies

UK SRS Implementation Roadmap 2026-2028

25 February 2026: Standards Published

UK SRS published by DBT - voluntary adoption available

• Companies can begin voluntary early adoption
• Assess gap analysis against S1 & S2 requirements
• Plan implementation strategies

March-September 2026: Policy Development

FCA consultation closed 20 March - final policy statement due autumn 2026

• FCA review consultation responses
• Final mandatory rules developed
• Implementation guidance issued

Q4 2026: Preparation Phase

If mandatory rules confirmed, companies prepare for 2027 implementation

• Install UK SRS reporting systems
• Develop data collection processes
• Train reporting teams

1 January 2027: Proposed Mandatory Date

If approved, mandatory UK SRS reporting begins for listed companies

• Begin collecting data for UK SRS compliance
• Implement ongoing monitoring systems
• Ensure readiness for first reporting cycle

2028: First Mandatory Reports

If rules proceed, first mandatory UK SRS annual reports published

• Publish UK SRS S1 & S2 disclosures
• External assurance where required
• Stakeholder and market communication

Who May Need to Comply with UK SRS?

Voluntary Adoption (Now Available)

Any company choosing early adoption
Listed companies demonstrating leadership
Companies preparing for potential mandatory rules
Encouraged by government

Proposed Mandatory Scope (If Approved)

UK-listed companies (from 2027)
Large private companies (future consideration)
Public Interest Entities (through secondary legislation)
Financial institutions and asset managers

Early Adoption Benefits

UK SRS are available now for voluntary adoption. Early adopters can gain valuable experience, demonstrate sustainability leadership, and prepare systems before potential mandatory requirements.Final mandatory rules await FCA policy statement in autumn 2026.

UK SRS Deadline Preparation Checklist

Immediate Actions (Q1 2025)

Confirm UK SRS applicability to your organisation
Conduct gap analysis against S1 & S2
Assess current reporting capabilities
Identify data gaps and requirements

Pre-Deadline Actions (2025)

Implement UK SRS reporting systems
Train finance and sustainability teams
Establish governance structures
Complete trial reporting run

Get UK SRS Deadline Support View Full Compliance Guide

Sustainability Reporting Standards · Reference Guide

The UK SRS regulatory timeline

Five-year path from the Technical Advisory Committee's first endorsement recommendation to the proposed comply-or-explain mandate for broader sustainability disclosures. Three regulators, two committees, one set of standards.

Last verified 15 May 2026 · Tap a milestone for sources

DBT · publisher

FCA · listed companies

FRC · assurance & committees

ISSB · global baseline

Effect · proposed application

15 May 2026

Tap any milestone above for full citation, regulatory body, and primary-source link.