Contact Us

Consumer Enquiries

For all enquiries please email or you can also contact the helpdesk via the enquiry form below.

Information on energy-saving improvements is available from the Governments Energy Saving Advice Service website site or by phone:

  • (free phone service): 0800 098 7950
  • Monday to Friday, 8am to 6pm
  • Saturday 9am to 12pm
  • Sunday and Bank Holidays Closed

There’s different advice on reducing your household’s energy use if you live in Scotland or Northern Ireland. Visit Home Energy Scotland if you want advice for Scotland or visit NI Direct if you want advice for Northern Ireland.

Unsolicited marketing calls

If you are receiving unsolicited calls which relate to the selling of Green Deal services, please contact the Information Commissioner’s Office (ICO) for advice on how to stop the nuisance calls and messages. Please click here to access the ICO’s website.

Green Homes Grant

The Green Deal Oversight and Registration Body did not have any role in the administration of the Green Homes Grant. If you have any queries or concerns about operations under the Green Homes Grant please visit the Green Homes Grant ‘Contact Us’ webpage here.

Energy Companies Obligation scheme (ECO)

The ECO scheme is administered by Ofgem E-serve on behalf of the Department of Business, Energy & Industrial Strategy (BEIS). As such, the GD ORB cannot provide advice relating specifically to the ECO Scheme. Information for customers is available here. For more information for market participants, please visit the Ofgem E-Serve website by clicking here. To contact the ECO team at Ofgem E-serve, please call 02079 017000 or email

Installer and Assessor Technical Queries

For technical queries about the Green Deal Installer and Assessor Standards or how to apply to become a Green Deal Installer or Assessor, please contact a Certification Body. Please click here to be directed to the Certification Bodies page.

NEC Software Solutions

On behalf of the Department of Energy Security and Net Zero NEC Software Solutions host and maintain the Green Deal registers though with relevant participants can access the EPC records and submit assessments. All GD Register technical support calls should be raised through the NEC Software Solutions Help Hub at Only GD Assessor Organisations and GD Provider Organisations can log calls. Individual GD Advisors and GD Providers should raise calls through their Assessor/Provider Organisation.

Financial Conduct Authority Enquiries

If you have a query relating specifically to the status of an application for FCA authorisation, or to whether you require FCA permissions, you are advised to contact the FCA on +44 (0)300 500 0597.

GDAA Panel Secretary

For information on the former Green Deal Arrangements Agreement, please note that since 1st September 2021, the governance arrangements for the Green Deal were subsumed into the Retail Energy Code. For more information on the REC, please contact

GDCC CAS Helpdesk (Data Flows)

For technical Green Deal Central Charge database enquiries regarding data flows, please contact the Retail Energy Code on

Further Enquiries (Including Provider Registration)

For Market Participant Enquiries (including Provider Registration), the GD ORB Helpdesk Team will be pleased to answer your questions. Please submit your enquiry using the form below.

Please note the GD ORB is intended to function as an industry facing helpdesk and is not strictly a consumer enquiry helpdesk. If you have queries regarding the Green Deal, you can still contact us using the details above or the form below.

Contact Us