Planning Permission & Building Regs in York
Rear dormer additions under 40m³ (terraced) or 50m³ (semi/detached) permitted development, provided they are set back 200mm from eaves and do not face the public highway.
Strict Article 4 Directions apply across the Historic Core (Zone 1) and Clifton conservation areas. Unpainted timber sash windows, natural Welsh slate or handmade clay pantiles, and retention of original brick chimneys are strictly mandatory.