Supplementary Planning Guidance, often referred to as SPGs, are published alongside the Local Development Plan. SPGs go into further detail on the policies included within the Development Plan.
Latest Adopted Supplementary Planning Guidance
This SPG was adopted by the Snowdonia National Park Authority on 29th June 2022.
Supplementary Planning Guidance – The Slate Landscape of Northwest Wales World Heritage Site (PDF, 8MB)
SPG Consultation Report: The Slate Landscape of Northwest Wales World Heritage Site (PDF, 722KB)