Select Committee · Constitution Committee

The UK’s constitutional safeguards

Status: Open Opened: 19 Jun 2026

This inquiry will seek to identify the constitutional safeguards that exist within the UK system, and understand the most significant strengths, weaknesses and vulnerabilities in how they operate. It will also seek to identify ways in which the UK’s network of safeguards can be made more effective.

Oral evidence sessions

2 sessions
Date Witnesses
2 Sep 2026 The Lord O'Donnell KG GCB · UK Government View ↗
15 Jul 2026 The Lord Sedwill GCMG · UK Government View ↗

Who gave evidence

2 witnesses
WitnessOrganisationSessions
The Lord O'Donnell KG GCB · Former Cabinet Secretary and Head of the Civil Se… UK Government 1
The Lord Sedwill GCMG · Former Cabinet Secretary and National Security Ad… UK Government 1

Meetings & visits

3 items
DateTypeDetail
22 Jul 2026 Formal meeting (private meeting) · To be confirmed
1 Jul 2026 Formal meeting (private meeting) · Room 2A, Palace of Westminster
24 Jun 2026 Formal meeting (private meeting) · Room 2A, Palace of Westminster