What are the standard and average
garage sizes in Australia?

Single Garage

Single car garage 3m x 5.4m (16.2m2) = 102 tiles
Single car garage 3.2m x 5.6m (17.92m2) = 112 tiles
Single car garage 3.6m x 6m (21.6m2) = 135 Tiles
Single car garage 4m x 6m (24m2) = 150 Tiles

Double Garage

Double car garage 5.4m x 5.4m (29.16m2) = 183 Tiles
Double car garage 5.6m x 5.6m (31.36m2) = 196 Tiles
Double car garage 5.6m x 6m (33.6m2) = 210 Tiles
Double car garage 6m x 6m (36m2) = 225 Tiles

Australian guidelines are very strict and all garages must conform to these minimum standards.