Granny Flats WA is a Perth residential building company. They have long been Perth’s trusted builder for Granny Flats, renovations and extensions. br Visit their website to learn more, or you can also visit their office at 92 McCoy Street, Booragoon WA 6154. Call them at 08 9329 6888 for further inquiries or e-mail them at Sales@Grannyflatswa.com.