Our Services
![basement suspended concrete slab supported through brackets to the waterproofed walls](https://i1.wp.com/mjrooney.co.uk/wp-content/uploads/2021/08/basement-suspended-concrete-slab-waterproofing-walls-membrane-bracket-e1629814330842.jpg?fit=933%2C699&ssl=1)
Basements
We are an award-winning London basement conversions company with 35 years of experience. We build every type of basement from retrofit basements to new build basement construction. All basement conversions include a 10-year insurance-backed guarantee.
Learn more about our Basements![Building Construction workers making a specialist cladding system with a drill](https://i1.wp.com/mjrooney.co.uk/wp-content/uploads/2020/08/Heath-Lane-Baugettes9.jpg?fit=933%2C700&ssl=1)
Construction
MJ Rooney offers a wide range of building construction services and will achieve the most technical and complex of building construction projects. Our building construction projects range between small local extensions and multi-million football stadiums.
Learn more about our Construction![Civil Engineering project for grand designs with an engineer and a team of groundworkers building steel sheet piled temporary works.](https://i0.wp.com/mjrooney.co.uk/wp-content/uploads/2020/08/Warehome1-1.jpg?fit=933%2C700&ssl=1)
Civil Engineering
MJ Rooney offers a wide range of Civil Engineering Projects from small local underpinning to large infrastructure schemes. We design and build our Civil Engineering Projects with cutting-edge technologies to deliver quality, speed and efficiency.
Learn more about our Civil Engineering