Planning Permission & Building Regs in York
Single-storey rear extensions up to 3m (attached) or 4m (detached) permitted under Class A GPDO, provided eaves height remains below 3.0m and materials match existing brickwork.
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.