Energy Company Obligation (ECO) Flex

Energy Company Obligation Flex provides funding for domestic properties towards energy efficiency upgrades for householders in fuel poverty and on low income and vulnerable to cold.

ECO4 Flex and GBIS Flex Statement of Intent
- PDF
- 255kB
- Download
ECO4 Flex and GBIS Flex eligibility flowchart
- PDF
- 231kB
- Download
ECO4 Flex and GBIS Flex installers
- PDF
- 118kB
- Download
ECO4 Flex and GBIS Flex Statement of Intent V.005 (withdrawn 25 November 2025)
- PDF
- 289kB
- Download
ECO4 Flex and GBIS Flex Statement of Intent V.004 (withdrawn 13 September 2024)
- PDF
- 196kB
- Download
ECO4 Flex and GBIS Flex Statement of Intent V.003 (withdrawn 30 January 2024)
- PDF
- 253kB
- Download
ECO4 Flex Statement of Intent V.002 (withdrawn 25 August 2023)
- PDF
- 155kB
- Download
ECO4 Flex Statement of Intent V.001 (withdrawn 26 June 2023)
- PDF
- 155kB
- Download

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Energy Company Obligation (ECO) Flex

ECO4 Flex and GBIS Flex Statement of Intent

ECO4 Flex and GBIS Flex eligibility flowchart

ECO4 Flex and GBIS Flex installers

ECO4 Flex and GBIS Flex Statement of Intent V.005 (withdrawn 25 November 2025)

ECO4 Flex and GBIS Flex Statement of Intent V.004 (withdrawn 13 September 2024)

ECO4 Flex and GBIS Flex Statement of Intent V.003 (withdrawn 30 January 2024)

ECO4 Flex Statement of Intent V.002 (withdrawn 25 August 2023)

ECO4 Flex Statement of Intent V.001 (withdrawn 26 June 2023)