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Great British Insulation Scheme

Publisher
Department for Energy Security and Net Zero
Updated
25 June 2026
Topic
Environment

Summary

Data to monitor the installation of energy efficiency measures in domestic properties via the Great British Insulation Scheme (GBIS).

First 3 releases were based on TrustMark data; subsequent releases are based on Ofgem data.

Official Statistics

Data links

Link Format Preview Updated
April 2026 XLSX – 25/6/2026
March 2026 XLSX – 21/5/2026
February 2026 XLSX – 23/4/2026
January 2026 XLSX – 26/3/2026
December 2025 XLSX – 19/2/2026
November 2025 XLSX – 22/1/2026
October 2025 XLSX – 18/12/2025
September 2025 XLSX – 20/11/2025
August 2025 XLSX – 23/10/2025
July 2025 XLSX – 18/9/2025
June 2025 XLSX – 21/8/2025
May 2025 XLSX – 24/7/2025
April 2025 XLSX – 19/6/2025
March 2025 XLSX – 22/5/2025
February 2025 XLSX – 17/4/2025
January 2025 XLSX – 20/3/2025
December 2024 (Ofgem data) XLSX – 20/2/2025
November 2024 (Ofgem data) XLSX – 23/1/2025
October 2024 (Ofgem data) XLSX – 19/12/2024
September 2024 (Ofgem data) XLSX – 21/11/2024
August 2024 (Ofgem data) XLSX – 24/10/2024
July 2024 (Ofgem data) XLSX – 19/9/2024
June 2024 (Ofgem data) XLSX – 22/8/2024
May 2024 (Ofgem data) XLSX – 18/7/2024
April 2024 (Ofgem data) XLSX – 20/6/2024
March 2024 (Ofgem data) XLSX – 23/5/2024
February 2024 (Ofgem data) XLSX – 18/4/2024
January 2024 (Ofgem data) XLSX – 28/3/2024
December 2023 (Ofgem data) XLSX – 22/2/2024
December 2023 (TrustMark data) XLSX – 18/1/2024
November 2023 (TrustMark data) XLSX – 21/12/2023
October 2023 (TrustMark data) XLSX – 30/11/2023

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Contact

Enquiries

energyefficiency.stats@energysecurity.gov.uk

Freedom of information (FOI) requests

foi.requests@energysecurity.gov.uk

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