House Behind House is a trusted Perth-based builder specialising in the design and construction of secondary dwellings, house behind house projects and rear strata homes. We help Western Australian homeowners maximise their property’s potential by adding high-quality, fully compliant homes behind existing residences. From planning and council approvals to complete project management and construction, we deliver cost-effective solutions tailored to each client’s block and lifestyle needs. Whether you’re looking to accommodate family, generate rental income, or increase property value, House Behind House provides expert guidance every step of the way.