CSSW London are waterproofing specialists. We are experts in structural waterproofing. It's what we do. It's our thing. It's our passion.

As waterproofing specialists, we are committed to our client’s best interests and to quality, expert service. To honest, transparent and tailored advice that meets the specific needs of each job. We are independent. There are no limits to a particular range of products or services. No unnecessary upselling. Just the best solution at the best cost. We are reliable. What you see is what you get. We know what we can do and we make sure we do it well. We are CLW.