Single storey rear extension to detached house, including part conversion of garage to habitable space

Single storey rear extension with sloping roof and interlocking concrete tiles to match existing roof. Replacement flat roof front porch canopy with pitch roof porch and alterations to existing front door. Replace all existing white UPVC windows with basalt grey UPVC, alterations to existing windows and doors including the insertion of 1 no. window to first floor front elevation, rearrangement to rear French Doors and windows and addition of door to rear of garage.