UK SRS: the state of play

The UK endorsed the ISSB standards on 25 February 2026 and the FCA has finished consulting on mandatory listed-company reporting. This hub tracks what is decided, what is still open, and what it means in practice — updated as the regime hardens.

A regime in three moves — two made, one pending

The UK’s sustainability reporting regime is being assembled in three distinct moves, and it pays to keep them separate. The first move — endorsement — happened on 25 February 2026, when the Department for Business and Trade published the final UK Sustainability Reporting Standards alongside its feedback statement on the 2025 exposure-draft consultation^[1][2]. From that date the standards exist and any UK entity can report against them voluntarily, in full or in part.

The second move is FCA rule-making. Consultation Paper CP26/5, open from 30 January to 20 March 2026, proposed requiring UK-listed companies to report against UK SRS for financial years beginning on or after 1 January 2027^[3]. That would replace the TCFD-aligned Listing Rules regime that has applied since 2021^[5]. The Policy Statement is expected in autumn 2026 — the single most consequential regulatory event left on this year’s calendar for UK reporters.

The third move — extending mandatory reporting beyond listed companies — has not yet started in earnest. The government has signalled an intention to capture “economically significant companies”, but must consult first, an exercise expected later in 2026 as part of its Modernising Corporate Reporting programme^[2]. Until that consultation lands, any claim about private-company scope or thresholds is speculation, and we treat it as such.

What S1 and S2 actually ask for

UK SRS S1 sets the general architecture: disclosure of sustainability-related risks and opportunities across governance, strategy, risk management, and metrics and targets — the four-pillar structure inherited from TCFD^[1]. UK SRS S2 applies the same architecture to climate specifically, adding scenario-analysis requirements and greenhouse gas disclosure across Scopes 1, 2 and 3^[4].

Both standards are deliberately close to the ISSB originals. The UK amendments are targeted: fixed time limits on certain transitional reliefs were removed (so voluntary adopters can apply reliefs such as climate-first reporting indefinitely, with mandatory time limits to be set by whichever regulator mandates the standards); references to SASB materials were made optional rather than mandatory; effective-date clauses were deleted to enable immediate voluntary use; and the ISSB’s December 2025 amendments to IFRS S2 — including targeted relief on certain Scope 3 measurement requirements — were incorporated^[1][4].

UK SRS analysis on SRS Report

Everything we publish on the UK SRS sits in this hub. Start with the endorsement analysis if you want to understand what changed between the exposure drafts and the final standards; start with the timeline if you need dates.

UK SRS — frequently asked questions

For energy and carbon compliance regimes that feed UK SRS data — ESOS audits and SECR disclosures — see our ESOS & SECR intelligence hub. For the wider disclosure landscape, see ESG reporting requirements in the UK.