T+1 Settlement · UK Oct 2027 · EU Following · FCA / BoE / HMT AST

T+1 Settlement Operational Readiness Assessor

Assess readiness for the UK T+1 securities settlement cycle transition (effective October 11, 2027). The Accelerated Settlement Taskforce requires firms to be ready to test by end of 2026. Evaluate affirmation/confirmation cycle compression, FX funding windows, securities lending recall, fails management, and CSD connectivity across 5 operational domains.

UK Oct 11 2027 Test Ready by Dec 2026 FCA / BoE / HMT AST EU T+1 Following Zero PII · Browser-only

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Step 01Firm Profile
Step 02Trade Affirmation & Post-Trade STP

T+1 requires affirmation by 9pm on trade date (T)

Step 03FX Funding & Securities Lending

T+1 settlement requires same-day or T+1 recall capability

Step 04Technology & Governance
T+1 Readiness Assessment
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Domain Scores & Critical Gaps
Implementation Timeline
AP2 Policy Mandate · CC BY 4.0 · Post Oak Labs

Regulatory Citations

[1]FCA Dear Compliance Officer letter: FCA Expectations for the UK Move to T+1 Securities Settlement (January 2026). Requires firms to identify system/process changes now, secure budget, and be ready to test by end of 2026.
[2]Accelerated Settlement Taskforce (AST) Final Report 2024: Recommends UK move to T+1 by October 2027. Chaired by Charlie Geffen. Sets out technical recommendations for affirmation, allocation, and FX.
[3]THEIA: T+1 Settlement: Navigating the UK, EU and Swiss Transition (January 2026). Identifies key operational gaps for asset managers: FX cut-offs, securities lending recall, and central matching adoption.
[4]ESMA T+1 Settlement Taskforce: European Securities and Markets Authority assessment of T+2 to T+1 transition for EU securities markets. EU expected to follow UK within 12–18 months.
[5]KPMG: T+1 Settlement in Europe: Operational Readiness Guide. Highlights affirmation window compression (target: 90% affirmed by 9pm trade date), STP rate targets, and intraday liquidity management.