architecture building christian church community Darlington-laterite faith façade fellowship fitted foliage heritage historic inter-War-Gothic style laterite local-stone Luheran Northbridge pattern patterns Perth picturesque popular random randomly-coursed rock rocks rustic sealed shadows shape shapes shrubbery significant St-John’s stone stucco textures traditional trees uneven walls windows worship creepers vine buttress buttressed buttresses circle concreted cross Darlington laterite doorway encircled encircled cross former façade inter-War Gothic style local stone members painted randomly coursed shadow shadow of a cross St John’s unused weddings arched arched windows