About the job Building Regulations Compliance Lead 📄 Main Contractor | Residential & Mixed-Use We are engaging a Building Safety Principal Designer on a contract basis to support live residential and mixed-use schemes for a UK main contractor operating across London and the South East. This is a delivery-embedded role, supporting active construction projects rather than a consultancy or policy function. You will work directly with technical and site teams to manage Building Regulations compliance, reduce risk, and maintain programme certainty. Scope of the Role You will be responsible for: * Operating as Building Safety Principal Designer under the Building Regulations on live projects * Managing compliance across Parts A, B, L, M and Q * Coordinating architectural, engineering, and subcontractor design inputs * Managing compliance through design changes, value engineering, and late-stage revisions * Acting as the key interface with Building Control bodies and fire authorities * Translating regulatory requirements into practical, buildable site solutions * Maintaining proportionate audit trails and compliance records to protect the contractor This role suits someone comfortable making decisions under programme and commercial pressure. What We’re Looking For * Demonstrable experience acting in a Building Safety or Building Regulations PD capacity * Background in a main...