Funding for Cavity Wall and Loft Insulation

Great British Insulation Scheme (GBIS) Funding 2022-2026

About GBIS

Three Rivers District Council partnered with E.ON Next to help eligible residents access free or subsidised cavity wall insulation and/or loft insulation through the Great British Insulation Scheme (GBIS).

The Great British Insulation scheme closed on 31 March 2026 and is no longer accepting new applications.

If you received insulation through E.ON Next’s GBIS scheme, and have questions or concerns about your installation, please contact E.ON Next directly:

• Call: 0333 202 4422 (free phone line open 9am – 5pm, Mon – Fri)
• Email: eoncommunityprojects@eonenergy.com

Statement of Intent (Flexible Eligibility Criteria)

The publication of this Statement of Intent (SOI) enables Three Rivers District Council to provide additional eligibility criteria under the Energy Company Obligation (ECO) and Great British Insulation Scheme (GBIS) Local Authority Flexibility route. Please see the document below for the latest version of the council's Statement of Intent which details the council’s Flex criteria in full:

Current SOI (Version 8): ECO4 and GBIS SOI Three Rivers Version 8 - 4 September 2023 (PDF)

Previous withdrawn SOIs:

Version 7 - withdrawn on 04 September 2023

Version 6 - withdrawn on 14 March 2023

(Webpage updated April 2026).