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ECO3 Guidance and Associated Documents

Publication type:
Guidance
Publication date:
Scheme name:
ECO

The documents below apply to all ECO3 measures installed between 1 October 2018 and 31 March 2022.

Any measures installed before this date should comply with our previous guidance, which is available in the overview of previous schemes section of our website.

Any measures installed on or after 1 April 2022, should comply with our current ECO4 guidance and associated documents available on our ECO guidance page.

Guidance Date Published
Energy Company Obligation 2018-22 (ECO3) Guidance: Supplier Administration 31 October 2018
Energy Company Obligation 2018-22 (ECO3) Guidance: Delivery 15 November 2018
Energy Company Obligation (ECO3) Guidance: Innovation 5 February 2019
Publication Date Published
ECO3 Pre-existing Loft Insulation Declaration 27 September 2018
ECO3 Social housing E, F and G declaration & landlord permission 28 September 2018
ECO3 Private housing FTCH declaration & private rented sector landlord permission 28 September 2018
ECO3 Boiler Assessment Checklist 02 October 2018
ECO3 Electric Storage Heater Checklist 02 October 2018
ECO3 Privacy policy 10 October 2018
ECO3 Child Benefit self-declaration 16 October 2018
ECO3 Data Dictionary 19 October 2018
ECO3 Appropriate Guarantees 14 November 2018
ECO3 Measures Table 15 November 2018
ECO3 Deemed Scores Matrix 30 November 2018
ECO3 Notification Template 3 December 2018
ECO3 Templates to evidence private domestic premises 3 December 2018
ECO3 Monitoring 25 January 2019
ECO3 Notice of receipt of an application for extension 31 January 2019
ECO3 Address formatting guidance note 31 January 2019
ECO3 Notifying a supplier of a decision to refuse or revoke approval of a measure 31 January 2019
ECO3 Alternative methodologies 31 January 2019
ECO3 District Heating Pre-Conditions (Insulation): Technical Report Template 28 March 2019
ECO3 District heating systems (DHS) factsheet and summary of proposal (SoP) 29 March 2019
ECO3 Toolkit 15 May 2019
ECO3 First Time Central Heating Checklist 16 October 2020
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