Great British Insulation Scheme
This scheme closed on 31 March 2026 and is no longer accepting new applications.
Guidance only. Funding is not guaranteed. Scheme rules and availability may change.
This scheme closed on 31 March 2026 and is no longer accepting new applications.
The content below is provided for historical reference only. Check your eligibility for active schemes
WHAT THIS ROUTE IS
The Great British Insulation Scheme (GBIS) ran from 2023 to 31 March 2026. It was a standalone government scheme delivering insulation improvements to homes with poor energy performance across England, Scotland, and Wales. GBIS closed on 31 March 2026 and is no longer available for new applications. The information below is provided for historical reference. If you are looking for current insulation funding, the ECO4 scheme may still apply to eligible households.
GEOGRAPHY
England, Scotland, and Wales (historical coverage)
FUNDER
Large energy suppliers (obligated under the now-closed GBIS)
ADMINISTRATOR
Ofgem (regulatory oversight); delivered by energy suppliers via approved contractors
ROUTE SIGNALS
Scheme closedMeasures this route may support
The following measures may be included where applicable, subject to scheme rules, property survey and eligibility assessment.
Measures are indicative. Not all measures may be available in every case. Subject to installer assessment and scheme rules.
Who may qualify
The following criteria may apply. These are indicative only and subject to scheme rules and installer assessment.
This scheme is closed. No new applications are being accepted.
Group A (historical): Households on qualifying benefits with a property rated EPC D–G
Group B (historical): Households in lower EPC-rated properties with low council tax bands
Owner-occupiers and eligible private tenants (historical criteria)
Eligibility depends on scheme rules, a property survey and installer assessment. These criteria are indicative only. Curator Renovatis results are not a determination of eligibility.
Indicative support and contribution
Scheme closedLEVEL OF SUPPORT
GBIS is closed. No new funding is available under this scheme. For current insulation funding options, please complete the eligibility check. ECO4 may still be available.
CONTRIBUTION AND CHECKS
Scheme closed. No new applications are being accepted. Homeowners with previously confirmed works should contact their installer or energy supplier directly.
Subject to scheme rules, survey findings and funding availability. Not a guarantee of funding.
IMPORTANT ELIGIBILITY INFORMATION
- GBIS closed on 31 March 2026. No new applications are being accepted under this scheme.
- If you previously applied or had works agreed before the closure date, contact your installer or energy supplier directly.
- For current insulation funding, ECO4 may still be available to eligible low-income and benefits-receiving households.
- Curator Renovatis does not guarantee funding and is not affiliated with Ofgem or any energy supplier.
DATA SOURCES AND ACCURACY
Information last reviewed: 30 June 2026. Scheme rules can change. Check official sources before making any decisions.
Official sources
THIS SCHEME IS CLOSED
Check routes still available to you
Curator Renovatis checks all major active UK retrofit funding routes, including ECO4, Boiler Upgrade Scheme and Warm Homes: Local Grant.