From the chalky grounds of Surrey to the clay based soils of central London, it is widely known that the construction process is never the same in two places at once. Soil structure is a widely used term throughout our industry as the definitive guideline for designing the structure of a building. Whilst you may believe that this only matters for projects below ground, such as basement extension, it is important to understand that no matter what the size of your project, from a modest kitchen extension to a new build development, the type of soil your land rests upon will play a crucial role in its design and construction.