We present an integrated framework for interior decoration, merging Web3D technologies with SVG graphics and Semantic Web ontologies. The system is based on an OWL ontological framework describing the entire spectrum of interior design concepts that might affect the design process, from structural elements down to furniture fabrics. We further incorporate an X3D-based GUI, offering automatic visual reconstruction of a proposed design scheme in a Web3D environment. X3D models and SVG plans can be included in the ontological structure of an area, from which the GUI can draw visual elements. We then fuse all these technologies with an SWRL recommender system, able to automatically offer clients visual design solutions for their needs using an intelligent rule-based system.