With over 60,000 Building Regulations applications since we were founded in 2007, your route to trusted Building Regulations Approval starts here. We’re trusted by 1000s of architects, builders, and homeowners nationwide, and experienced in all commercial sectors and residential projects. Our offices are conveniently located to serve your projects throughout England and Wales.

Quadrant is based on four simple principles: Integrity, Technical Excellence, Service and People. Our mission statement remains the same today as when we started: client satisfaction and the best possible built environment. Visit our stand and see how we can help you on your next construction project.