Isurv is an online information service for expertise in natural and built environments. It was launched in September 2003 by the Royal Institution of Chartered Surveyors (RICS) and provides insight from verified legal experts and industry practitioners relating to construction. Isurv contains technical information on a broad range of property and construction-related topics, as well as government legislation, RICS regulations, case law library, and property market surveys and research. It provides access to all of RICS standards and guidance notes, including The Red Book and Black Books.