About MJ Rooney
We are a family-run construction company that has been building London basement Conversions and Civil Engineering Projects for 35 years. We have an amazing team of in-house Architects, Engineers, and Construction Managers. We have the best team to deliver your basement conversions.
As members of ASUC and the PCA, we are regularly audited by independent experts to ensure we hit the highest technical, and health & safety standards. To sequence every London basement conversion projects and Civil Engineering project perfectly we make a computer 3D model and simulation of the build to solve design issues before we even start on site.
Our construction company specialist Waterproofing in-house team will design and install waterproofing all wrapped up in a 10-year insurance-backed guarantee. MJ Rooney has won lots of construction awards like Constructions News ‘Contractor of the year’, Ground Engineering Contractor of the Year, and Digital Contractor of the Year. We deliver quality with a passion to every London basement conversion, Building Construction, and Civil Engineering project.