7m x 7m garage with a 17.5 degree pitch concrete interlocking tiled gable roof and brick walls with rendered corner stones  
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7.6m x 7.6m Externally49m² Ground Floor Area12" Cavity wall construction
Single side window9' x 7' Up and Over Garage Door and 3' Pedestrian DoorTruss rafter roof construction
17.5 degree roof pitchRidge Height = 3.9m