Once you have obtained a lawful development certificate. It is time to submit building regulation drawings. Building regulations are a set of standards for design and construction that apply to alterations of existing buildings and most new builds. The standards are very in depth and include consideration of materials and workmanship requirements, structural matters, fire safety, sound insulation, energy conservation and access to and use of buildings.
Apex CAD can help with the creation of these drawings. You can find more information below about building regulation drawings and building control below.