Energy and sustainability

Energy Company Obligation Flex (ECO4 Flex) and Great British Insulation Scheme Flex (GBIS Flex) Eligibility

The Energy Company Obligation Flexible Eligibility (ECO4 Flex) and Great British Insulation Scheme Flex (GBIS Flex) provides funding for domestic properties towards energy efficiency upgrades for householders in fuel poverty and on low income and vulnerable to cold.

Read the ECO4 Flex and GBIS Flex Statement of Intent

Eligibility Checker

If you think you may be eligible for this programme, contact one of the installers on the Installer List below.

View the Installer list

Read the privacy notice

Alternatively, if you would like any further information on other government schemes, contact Home Energy Scotland on 0808 808 2282. Home Energy Scotland is funded by the Scottish Government and offer free impartial advice and support.

Installers

We have implemented processes and procedures which allow ECO4 installers to access ECO4 Flex and GBIS Flex. If you are an ECO4 installer with ECO funding and are looking to become an approved installer for The Highland Council, our application window for new installers is now open.

Apply to be an approved installer by recording your interest on the Public Contract Scotland PIN notice. Closing date for applications is 5pm on 18th July 2025.

Withdrawn Statement of Intent

• ECO4 Flex - Statement of Intent V.003 (withdrawn 13 September 2024)
• ECO4 Flex - Statement of Intent V.003 (withdrawn 30 January 2024)
• ECO4 Flex - Statement of Intent V.002 (withdrawn 25 August 2023)
• ECO4 Flex - Statement of Intent V.001 (withdrawn 26 June 2023)
• ECO Flex - Statement of Intent 2020 (withdrawn)
• ECO Flex - Statement of Intent 2020 (withdrawn)
• ECO Flex - Statement of Intent 2019 (withdrawn)
• ECO Flex - Statement of Intent 2018 (withdrawn)