FOI release

ECO4 Energy Efficiency Grant Uptake and Savings

Case reference FOI2025/01057

Received 21 October 2025

Published 7 November 2025

Request

I am writing to request information under the Freedom of Information Act 2000 regarding the uptake of the ECO4 (Energy Company Obligation, Phase 4) scheme within your council area. Specifically, I would like to request the following information for the most recent full financial year (and, if available, for previous years since the start of ECO4 in 2022): 1. ECO4 Grants Uptake * The total number of households within your local authority that have received upgrades under the ECO4 scheme. * The breakdown of these households by property type (e.g., detached, semi-detached, terraced, flat) and tenure (owner-occupied, private rented, social housing). * The total amount of ECO4 funding distributed within your local authority area. 1. Types of Energy Efficiency Measures Installed • A list and count of the types of measures installed (e.g., insulation, boiler replacement, heat pumps, solar panels, etc.). 1. Potential or Estimated Annual Energy Savings • Any available data or estimates on average or total annual energy bill savings per household or for the local authority area, resulting from ECO4-funded improvements. 1. Application and Eligibility Data • The number of ECO4 applications received, approved, and rejected within your local authority area. • If available, reasons for common application rejections. If possible, please provide this data in a CSV or Excel format. If any part of this request exceeds the appropriate cost limit under the FOI Act, please advise me as to how I may refine my request to remain within the limit.

Response

I am writing to request information under the Freedom of Information Act 2000 regarding the uptake of the ECO4 (Energy Company Obligation, Phase 4) scheme within your council area.
Specifically, I would like to request the following information for the most recent full financial year (and, if available, for previous years since the start of ECO4 in 2022):

No information held for all questions below. We have not participated in the ECO4 scheme.

  1.  ECO4 Grants Uptake

        The total number of households within your local authority that have received upgrades under the ECO4 scheme.
        The breakdown of these households by property type (e.g., detached, semi-detached, terraced, flat) and tenure (owner-occupied, private rented, social housing).
     *   The total amount of ECO4 funding distributed within your local authority area.

  2.  Types of Energy Efficiency Measures Installed

•       A list and count of the types of measures installed (e.g., insulation, boiler replacement, heat pumps, solar panels, etc.).

  3.  Potential or Estimated Annual Energy Savings

•       Any available data or estimates on average or total annual energy bill savings per household or for the local authority area, resulting from ECO4-funded improvements.

  4.  Application and Eligibility Data

•       The number of ECO4 applications received, approved, and rejected within your local authority area.

•       If available, reasons for common application rejections.
If possible, please provide this data in a CSV or Excel format.
If any part of this request exceeds the appropriate cost limit under the FOI Act, please advise me as to how I may refine my request to remain within the limit.

Documents

There are no documents for this release.

This is Tunbridge Wells Borough Council's response to a freedom of information (FOI) or environmental information regulations (EIR) request.