Ashworth Drainage and Waterproofing

Welcome to Ashworth Drainage, London’s exterior waterproofing experts!
Established in 1972, we perform waterproofing services for homes owners, businesses and commercial properties. We assess and repair any and all leaks in foundations.

Our highly trained and courteous technicians also deal with drainage issues such as inside or outside weeping tile, French drains, sewer installation and repair, water main repair and installation or replacement of sump pumps.

Our customer base includes homeowners, business owners, landlords and property management firms. Ashworth Drainage obtains a large volume of our business via referrals from satisfied customers. We will gladly provide you with references upon request from former clients who will attest to our integrity and professionalism.



• Waterproofing
• Sewer Installation and Repair
• French Drains
• Weeping Tile Systems
• Window Wells
• Excavating
• Drain Cleaning
• Foundation Repair

• Concrete Work


Leaky Basement

We excavate to footings, clean and seal exposed foundation to grade supply and install four-inch weeping tile. The excavated area is then filled with one-inch stone. Supply and install filter cloth and necessary topsoil to finish grade.


Window Well

We remove window well, excavate down to footing. We then inspect the weeping tile clean and seal foundation to grade. Finally we fill in the complete excavated area with one-inch stone, reattach window wall and then supply and install filter cloth and necessary topsoil to finish the grade.


Storm and Sanitation Sewer Maintenance

We replace sanitary and storm sewers, also installing clean out for access to sewers. Any work done on sanitary or storm sewers is inspected by the city of London.