ECO guidance and associated documents

Here you can access guidance and publications on the ECO scheme.

What our guidance does

It outlines:

  • how we determine which suppliers are obligated
  • how obligated suppliers can meet their obligations
  • when and what suppliers need to report on, and
  • information on ECO measures.

The documents below apply to all measures installed on or after 1 October.

At the time of publication, the draft ECO3 Order is still subject to parliamentary process. To assist early delivery, stakeholders may use these documents from 1 October 2018 onwards.

What it doesn’t do

It’s not intended as a definitive guide to the draft ECO3 Order. As noted above, the ECO3 Order is still in draft form, and as such, any delivery is at stakeholders’ own risk.

Previous ECO schemes

Any measures installed between 1 April 2017 and 30 September 2018, should comply with our ECO2t guidance and associated documents.

Any measures installed between 1 April 2015 and 31 March 2017, should comply with our ECO2 guidance and associated documents.

Any measures installed before 1 April 2015, should comply with our previous guidance, which is available in the overview of previous schemes section of our website.

If you’re unable to find the document you are looking for, contact the ECO team who will be happy to help.

ECO3 Key Scheme Resources (From 1 October 2018)

Guidance

Date Published

Energy Company Obligation 2018-22 (ECO3) Guidance: Supplier Administration (draft for comment)

31 October 2018

Energy Company Obligation 2018-22 (ECO3) Guidance: Delivery (draft for comment) 15 November 2018

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 Child Benefit self-declaration

16 October 2018

ECO3 Data Dictionary draft

19 October 2018

ECO3 Appropriate Guarantees

14 November 2018
ECO3 Measures Table 15 November 2018

Publications and updates

  • Published: 28th Sep 2018
  • Guidance
  • 1 Associated documents
This template allows a private landlord to declare where a heating system is installed.

  • Published: 28th Sep 2018
  • Guidance
  • 1 Associated documents
This document allows the social landlord to confirm the EPC rating, that premises are being let at below market rate and where a heating system is installed.

  • Published: 27th Sep 2018
  • Guidance
  • 1 Associated documents
Form to be completed for all loft insulation measures with less than or equal to (≤) 100mm of pre-existing loft insulation.

  • Published: 6th Jun 2018
  • Open letters and correspondence
  • 2 Associated documents
The ECO2t scheme will come to an end on 30 September 2018. This letter provides details of the approach to be taken by Ofgem.

  • Published: 31st May 2018
  • Open letters and correspondence
  • 1 Associated documents
This document comprises Ofgem's response to claims management regulation: consultation on secondary regulations.

  • Published: 1st May 2018
  • Open letters and correspondence
  • 1 Associated documents
This document comprises Ofgem’s response to the Energy Company Obligation: ECO3, 2018 to 2022 consultation.

  • Published: 30th Jan 2018
  • Guidance
  • 3 Associated documents
Guidance for suppliers on technical and score monitoring for measures installed under ECO2t.

  • Published: 31st May 2017
  • Guidance
  • 1 Associated documents
This document is to help suppliers and the supply chain in providing evidence for private domestic premises. It supports the current ECO2t Guidance: Delivery.

  • Published: 22nd May 2017
  • Guidance
  • 1 Associated documents
This ECO2t guidance note is to help suppliers and the supply chain to determine the types of premises that would constitute a domestic premises.

  • Published: 4th May 2017
  • Guidance
  • 0 Associated documents
View the ECO2t appropriate and alternative methodologies.

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