Quadrant Approved Inspectors


Quadrant Building Control is an established, leading private sector Building Control service approved by the Construction Industry Council (CIC).

Formed in 2007, Quadrant Building Control has offices in London, Leicester, Stamford, Lincoln, Chester, Wigan and Wakefield.  We have plans to open new offices across the UK in 2018.  Our four directors (Joe Campion, Keith Day, Nick Ellson and Paul Knight) have significant private sector and Local Authority Building Control experience in all construction sectors.   Our directors are supported by a team of building control professionals who adopt a friendly, common sense approach to building control. 

We are a member of the Association of Corporate Approved Inspectors and is ISO 9001 and ISO 14001 certified. The external certification body praised Quadrant’s ‘investment in people and training that enables the company to provide an efficient and environmentally-friendly service to its customers.’

Our aim is twofold: client satisfaction and the best possible built environment.

We pride ourselves on providing a first-class Building Control service for both commercial clients and residential clients; as a result we enjoy high levels of repeat business and client recommendations.  

Core values

Quadrant Building Control is committed to maintaining high service standards to meet all of our clients’ Building Control requirements and aspirations.

Our clients praise our professionalism and efficiency, expert knowledge and experience. We strive always to be helpful, reliable, reassuring and trustworthy.