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Standards and ratings

We inspect against published standards designed to drive improvement. They were developed in consultation with service providers, based on evidence, and updated when necessary. The services we inspect know what our standards are, and their services are rated against them. 

Our inspectors use the standards to ask the right questions and look for evidence to rate the quality of service delivery across each aspect of a service. All services are rated overall as either ‘Outstanding’, ‘Good’, ‘Requires improvement’ or ‘Inadequate’ as well as being rated at the level of individual standards. This will assist services in targeting their improvement activity. Our reports clearly explain why we have given services a particular rating. 

Find our standards and rating tables for Probation Delivery Units and Youth Justice Service in the document library below.

Our standards for inspecting Probation Regions

Our standards for inspecting Probation Delivery Units

Our standards for inspecting Youth Justice Services

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14 inspections and research

Approved premises inspection ratings and scores table

Published:
Updated 08 October 2025

Approved premises inspection: Rules and guidance

Published:
Version 1.8 - June 2025

Approved premises inspection: Standards

Published:
Version 6.8 - June 2025

Youth inspection ratings and scores table (June 2025 onwards)

Published:
Updated 07 October 2025

Inspection standards for youth justice services

Published:
Inspection standards for youth justice services. v5.10 March 2025

Youth Justice Inspection Standards

Published:
Youth Justice Inspection Standards - November 2024

Safonau Arolygu Cenedlaethol y Gwasanaeth Prawf

Published:
National Inspection Standards (Welsh) – December 2024