The basement impact assessment (BIA) takes care of the geological and hydro-geological conditions of the area and other potential risks such as drainage, flooding, groundwater quality. A Basement impact assessment (BIA) will include a phase 1 desk study to verify the site's history, explore hydro-geological and conditions and surface flood risk. Basement changes can add valuable space to your property, but always ensure that the proposed basement development is appropriate. Earth Environmental & Geo-technical provides a complete Basement Impact Assessments report (BIA) to support your planning application. For more details, check: https://www.earthenvironmental.co.uk/basement-impact-assessment/