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- Regulatory updates 55
- Basel 3.1 32
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CP5/26: Modernising the Liquidity Policy Framework
The PRA’s latest consultation (CP5/26) marks a notable evolution in the UK liquidity framework.
Rather than increasing quantitative requirements, focus is shifting toward liquidity usability and operational readiness, reflecting lessons from recent market events and the accelerating impact of digital banking on deposit behaviour.
Climate Risk Consortium for small- and mid-sized banks
Katalysys had convened a consortium of non-systemic banks to jointly develop a credible, practical, and proportionate framework for climate-related financial risk assessment.
The work program is designed to fully address the immediate requirements of SS 5/25 - namely a comprehensive gap analysis, board education, and a credible & ambitious remediation plan.
UK Basel 3.1: Overview of the final rules
On 20 January 2026, the PRA published PS1/26, finalising Basel 3.1 rules and related policy materials. The package largely confirms the near-final policy, with minor clarifications. This article provides an overview of the final rules. This article provides an overview of the final UK Basel 3.1 rules.
UK Basel 3.1: Credit valuation adjustment and counterparty credit risk
This article outlines the key changes to the calculation of Credit valuation adjustment and counterparty credit risk, as part of the Basel 3.1 final rules (PS1/26).
UK Basel 3.1: Credit risk standardised approach – real estate exposures
This article highlights the key changes to real estate exposures under the standardised approach to credit risk, as set out in the final Basel 3.1 rules (PS1/26).
UK Basel 3.1: Operational risk - standardised approach
This article highlights the key changes to the calculation of own funds requirement for operational risk, as set out in the final Basel 3.1 rules (PS1/26).
UK Basel 3.1: Credit risk standardised approach – exposures to corporates
This article highlights the key changes to exposures to corporates under the standardised approach to credit risk, as set out in the final Basel 3.1 rules (PS1/26).
UK Basel 3.1: Credit risk standardised approach – retail exposures
This article highlights the key changes to the retail exposure class under the standardised approach to credit risk, as set out in the final Basel 3.1 rules (PS1/26).
UK Basel 3.1: Credit risk standardised approach – exposures to institutions
This article outlines the changes relating to exposures to institutions under the standardised approach of credit risk, as part of the Basel 3.1 final rules (PS1/26).
UK Basel 3.1: Market Risk
This article outlines the key changes to the calculation of market risk capital requirements as part of the Basel 3.1 final rules (PS1/26).
UK Basel 3.1: Credit risk standardised approach – exposures in default
This article highlights the key changes to exposures and default under the standardised approach to credit risk, as set out in the final Basel 3.1 rules (PS1/26).
UK Basel 3.1: Reporting changes
This article outlines the reporting changes, as set out in the final Basel 3.1 rules (PS1/26).
Simplified Capital Regime for Small Domestic Deposit Takers (SDDTs) - PS4/26
On 20 January 2026, the PRA published PS4/26, finalising SDDT rules and related policy materials. The package largely confirms the near-final policy, with minor clarifications. This article provides an overview of the final rules.
UK Basel 3.1: Credit risk standardised approach – off-balance sheet items
This article highlights the key changes to the treatment of off-balance sheet items under the standardised approach to credit risk, as set out in the final Basel 3.1 rules (PS1/26).
SS 5/25: Approaches to managing climate related risks
The Prudential Regulation Authority (PRA) has published its final Policy Statement PS25/25 and SS 5/25 on climate-related financial risks on 3 December 2025.
We have broken down the Supervisory Statement into a set of 41 expectations that non-systemic banks will need to proportionately consider.
PS27/25 – Future banking data review: Deletion of reporting templates
The PRA’s PS27/25, part of its wider FBD programme, finalises CP21/25 proposals by confirming the deletion of 37 banking reporting templates and the consolidation of FINREP rules to simplify prudential reporting, reduce costs, and modernise the UK regulatory data framework.
Evolving Climate Risk Expectations for UK Banks (SS5/25 via PS25/25)
On 3 December 2025, the PRA published its final Policy Statement PS25/25 on climate-related financial risks. The final expectations now sit in Supervisory Statement SS5/25 ‘Enhancing banks’ and insurers’ approaches to managing climate-related risks’, which immediately replaces the old SS3/19. The changes enhance requirements in areas such as governance, risk management, scenario analysis, data, and disclosure.
The Capital Constraint: Why UK Banks Struggle to Turn Strength into Growth
Firms are required to hold regulatory capital to absorb losses. However, banks in the UK often feel that they are holding heightened levels of regulatory capital, which is stifling their potential for evolution and expansion.
PS18/25 – Retiring the refined methodology to Pillar 2A
The latest Policy Statement from the regulator near-finalises the retirement of the refined methodology for Pillar 2A capital, and embeds some non-substantive changes on pension obligation risk and interest rate risk in the banking book.
Basel 3.1 Implementation Guide
Katalysys recently hosted a roundtable in collaboration with UK Finance and representatives from the PRA, where we discussed the practical challenges firms are facing in preparing for implementation. Based on those discussions and our ongoing work supporting several institutions with Basel 3.1 readiness, we have produced a white paper focusing on the key areas of implementation that carry the greatest risk.