This note summarises the output from the UKERC/SDC “Unlocking Energy Services” seminar held in November 2005. The presentations made at the seminar can be downloaded from the UKERC website. The briefing note prepared prior to the seminar is attached at Annex A. An update note on the G* and EU context for energy services is attached at Annex B. There is a significant market in the EU and the EU Energy End-Use and Energy Services Directive was adopted in December 2005. Its objective is to enhance the cost-effective improvement of energy end-use efficiency in member states.