Up to the seventies, most homes had been of "double brick" construction on concrete footings, with timber flooring laid on joists supported by "dwarf walls". Later on homes have largely been of "brick veneer" building – structural timber or, a lot more recently, light-weight steel body with a concrete slab https://bestsupermarketinadelaide.art.blog/2024/09/18/best-indian-supermarket-in-adelaide-a-comprehensive-guide-for-food-lovers/