Would you be willing to add a review of A Wallis Plumbing & Heating Slough? Share your experiences and help build a directory of the best plumbers in Slough by adding a A Wallis Plumbing & Heating Slough review. Are you the business owner of A Wallis Plumbing & Heating Slough, then claim it now. Business owners who claim a business can update the description and add new tags and photos.