Some recent new material

The Supreme Court of the UK has been operational for 15 years. See the report from the House of Commons LIbrary 

The UK Supreme Court - House of Commons Library (parliament.uk)

The Criminal Cases Review Commission has published online a Case Library

Case Library - Criminal Cases Review Commission (ccrc.gov.uk)

HM Inspectorate of Prisons has published

A decade of declining quality of education in young offender institutions: the systemic shortcomings that fail children - GOV.UK (www.gov.uk)