DGCOS and HIES
If you have a complaint about a company who is a member of the Double Glazing and Conservatory Ombudsman Scheme (DGCOS) or the Home Insulation and Energy Systems contractors’ scheme (HIES) we may be able to help.
If you are unsure, whether it is the right time for us to become involved, or do not know what to do next, try our
easy to use tool. It will ask you some questions and tell you what to do next and there's no need for you to give
us any of your personal information.
From what you've told us so far, it appears that we may be able to consider your complaint.
What happens next?
You can tell us all about your complaint now; we have an easy to fill in web form. It will take around 10 minutes to complete.
You must have a valid email address to use this method. We will need to know:
or, if you don't have the time now, you can:
Putting things right
When we have all the information about your complaint, we will decide how best to handle it. If we propose a remedy that you're
happy with, the company will be required to put this in place and we will make sure that this happens.