Certification of Design (Section 6 - Energy) for Domestic Buildings
The Domestic-only membership subscription allows you to create Section 6 certificates for domestic plots etc. Currently, membership is £100pa with a joining fee of £150.

Certification of Design (Section 6 - Energy) for Non-Domestic Buildings
The Non-Domestic scheme membership allows you to create Section 6 certificates for non-domestic buildings.

Certification of Design (Section 6 – Energy) for Non-Domestic Advanced Buildings
The Non-Domestic Advanced scheme membership allows you to create Section 6 certificates for larger non-domestic buildings.

CPD Subscription
This is a free membership aimed at building control officers and other similar professionals. You will have access to CPD materials and other content, but will not be able to create certificates.