Important Coronavirus Update Click here to find out more


  • Tel: +44 (0) 1422 372 833
    Fax: +44 (0) 1422 370 900
  • Disclaimer

    W.T. Knowles & Sons Ltd (the Company) manufactures clay chimney pots and terminals to BS EN 13502:2002.

    The products are designed only for use with domestic heating appliances and when fitted to a flue complying with UK Building Regulations Approved Document J (2010 edition incorporating 2010 and 2013 amendments)

    The Company can not accept responsibility for the failure of any of its products when a product is used inappropriately, or in an unsuitable application, or manner for which the product was not designed, or installed incorrectly.