Benefits This new suburb in Gungahlin will ensure a high-standard of design, landscaping, infrastructure and facilities; The suburb will contain 600 blocks, surrounded by green open spaces; The suburb adjoins open bushland that is not planned for development and incorporates trails for walking, horse riding and bicycles; A range of blocks will be available – from 146m2 to 759m2 – to meet the needs of the broadest community, including a commitment to affordable housing; Casey is committed to implementing practical environmentally sustainable development principles, which will be reflected in the homes, gardens, parks and urban design; Every home built at Casey must comply with the new 5 star energy efficiency rating.