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April 2026: Thirlwall Inquiry final report due after Easter · CCRC still reviewing 31+ independent expert reports · Shoo Lee Panel (Feb 2025): no medical evidence of deliberate harm.

Lucy Letby Facts
NHS regulatory body service-level contact — summary
·NHS Improvement (now part of NHS England); Thirlwall Inquiry evidence

NHS Improvement — Countess of Chester service-level contact (2016)

Summary of NHS Improvement's 2016 service-level contact with the Countess of Chester Hospital NHS Foundation Trust, as documented in the Thirlwall Inquiry evidence record. NHS Improvement's remit was service-level regulatory oversight — not investigation of individual patient deaths. Together with the CQC inspection and the RCPCH Invited Service Review, NHS Improvement formed the third external-review touchpoint Trust executives used as rhetorical cover against escalating to Cheshire Police. This page summarises what NHS Improvement actually did in 2016 and what its scope was.

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Licence: Open Government Licence v3.0

Original source: thirlwall.inquiry.gov.uk

Mirrored on this site:

Crown Copyright. Mirrored under the Open Government Licence v3.0 with attribution.

Context

NHS Improvement (now absorbed into NHS England) was the UK body responsible for service-level oversight of NHS trusts in 2016. Its contact with the Countess of Chester Hospital NHS Foundation Trust during 2016 is part of the institutional record now documented in the Thirlwall Inquiry evidence bundles.

What NHS Improvement’s remit was

NHS Improvement’s role was regulatory oversight of trusts as organisations: their finances, their governance, their service quality at the trust-level. It did not investigate individual patient deaths. Deaths of specific patients are matters for the coroner and, where suspected criminal, for police referral.

What NHS Improvement did in 2016

In 2016 NHS Improvement had service-level contact with the Trust in connection with the neonatal unit. That contact identified service-level concerns consistent with the picture the Guardian investigation and the Thirlwall Inquiry have since documented in detail: capacity, staffing, governance.

NHS Improvement did not — and could not — investigate the cluster of unexplained deaths as individual cases. That was not within its statutory toolkit.

The three-body external-review package

Trust executives used the combination of:

  • The CQC 2016 inspection (service-quality remit).
  • The RCPCH 2016 Invited Service Review (unit-configuration remit).
  • The NHS Improvement service-level contact (trust-organisational remit).

as rhetorical cover against contacting Cheshire Police. The three-body package functioned as "everything has been looked at" — when none of the three bodies had been scoped to examine individual deaths.

The structural gap

NHS Improvement is part of the same structural gap the CQC page discusses: bodies that inspect services do not investigate individual cases, and bodies that investigate individual cases do not inspect services. The only body with remit to investigate individual deaths is the police — which is what the Trust executive team chose not to engage until May 2017.

Read alongside

Analysis: the CQC 2016 inspection, How the RCPCH review became a decoy, Evidence: chain of escalation.

Related on this site

Attribution and licence

Contains public-sector information licensed under the Open Government Licence v3.0. Original source: thirlwall.inquiry.gov.uk . Mirrored on this site on 2026-04-22.