With the increased level of development in the country and new features being introduced in the construction industry, this document aims at guiding designers (Architects & Draughtsman) to better design, differentiate and propose various types of basements which may be considered by the Seychelles Planning Authority. Note that the Seychelles Planning Authority will only consider basements where it can be demonstrated that it will not cause harm to the built and natural environment and local amenity, including to the local water environment, ground conditions and biodiversity. Also this document does not apply to utility excavations (Trenches).