Summary of the Great British Insulation Scheme: January 2024
Published 18 January 2024
Applies to England, Scotland and Wales
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Introduction
The Great British Insulation Scheme (GBIS) is a government scheme to help people insulate their homes, make them more energy efficient and save money on their energy bills.
The government announced the scheme at the end of March 2023. The £1 billion scheme will help around 300,000 households across the country with the cost of installing new home insulation. The scheme is scheduled to run until March 2026.
What you need to know about these statistics
These statistics are based on preliminary data provided by TrustMark, covering installations of measures between May and December 2023. The data are based on the handover date for completed measures as recorded in the TrustMark Data Warehouse.
Once measures are lodged with TrustMark they are notified to Ofgem who carry out verification checks. As these data have not been subject to checks by Ofgem the data are subject to revision.
A sizeable number of measures installed under GBIS are reported to TrustMark retrospectively, typically within a month after the installation date. This means the number of measures installed in the latest month of each statistical release is likely to be revised upwards in the next release.
Please note, these data are Official Statistics in development as they use data from the TrustMark Data Warehouse. They are to be used as an indication of measures installed under GBIS so far. These figures will be revised in future publications once data on measures installed from Ofgem is available.
Key statistics
Delivery by month
Since the start of GBIS at the end of March 2023, there have provisionally been 3,526 measures installed in 2,979 households up to the end of December 2023.
December saw a decrease in measure delivery after an earlier sharp increase during October and November, dropping from 1,100 in November to 803 in December. However, this is expected due to the festive period. We expect to see revisions in next month’s publication due to a lag in reporting from installers.
Figure 1: Number of measures installed by installation month
Delivery by measure type
The most popular measure so far has been cavity wall insulation, accounting for 61% (2,138 measures) of the total 3,526 measures. This was followed by heating controls which accounted for 15% (540 measures) and loft insulation which accounted for 15% (522 measures).
Figure 2: Number of measures installed by measure type
Delivery by region
Out of the 3,526 measures installed so far, the majority have been in Yorkshire and The Humber (596 measures, 17%), followed by the South East (579 measures, 16%) and the South West (406 measures, 12%).
Figure 3: Proportion of total measures installed by geographic region
There have been 2,979 households upgraded under GBIS up to the end of December 2023, meaning they have had at least one measure installed. The regional breakdown of upgraded households is largely the same as the regional breakdown of measures installed, as the majority of households (2,691 out of 2,979) have had only one measure installed under the scheme.
Figure 4: Proportion of total households upgraded by geographic region
Annex: Further information
Next publication date
The next publication will be at 09:30am on Thursday 22 February 2024.
Scheme information
More information:
Accompanying tables
Tables showing the number of measures installed and households upgraded under GBIS are available.
Revisions policy
The Department’s statistical revisions policy sets out the revisions policy for these statistics, which has been developed in accordance with the UK Statistics Authority Code of Practice for Statistics.
User engagement
Users are encouraged to provide comments and feedback on how these statistics are used and how well they meet user needs. Comments on any issues relating to this statistical release are welcomed and should be sent to: EnergyEfficiency.Stats@energysecurity.gov.uk.
The Department’s statement on statistical public engagement and data standards sets out the department’s commitments on public engagement and data standards as outlined by the Code of Practice for Statistics.
Pre-release access to statistics
Some ministers and officials receive access to these Official Statistics up to 24 hours before release. Details of the arrangements for doing this and a list of the ministers and officials that receive pre-release access to these statistics can be found in the Department’s statement of compliance with the Pre-Release Access to Official Statistics Order 2008.
Contact
Responsible statisticians: Isi Avbulimen and Mark Piatek
Email: EnergyEfficiency.Stats@energysecurity.gov.uk
Media enquiries: 020 7215 1000
Public enquiries: 07927 579551