Proud to be a Family Business

Cowal Building and Plumbing Supplies (CBPS) has genuine family pride at the heart of its business. In fact, it’s more than just business, it’s personal. Call CBPS, for instance, and it is still possible to be put straight through to the company's Managing Director, Stewart Shaw Jnr.

That’s not the only difference between CBPS and other companies – there’s also product choice, which is dictated by our customer base (not by a company head office directive), along with product availability, value, responsiveness and most importantly reliability all tailored around customers' needs.

Local and Friendly Service

(CBPS) is still very much a local enterprise, offering a friendly, personal but professional service to companies and individuals throughout the West of Scotland.

We have six branches which are located in key areas across the West Coast of Scotland.

  • Dunoon (Head Office)
  • Rothesay
  • Balloch
  • Dalry (formerly Reddance Building Supplies)
  • East Kilbride (formerly Catherwood Construction Materials)
  • Glasgow (formerly John Camersons Roofing, Plumbing & Building Supplies)


All of our staff have significant experience in the building and building supplies industries and thus have an excellent working knowledge of the products we sell. We have product specialists in each department who can help you with any queries such as technical specifications, alternative products and product installation and applications.

All of our staff are trained in customer service and are a product of the job they do in servicing our customers.

Professional Focus

We offer a local service run by the same family for many years. Service is our focus and we maintain a professional service to companies and individuals throughout Scotland.