The Energy Saving Trust Foundation
Also known as: Estf
The Foundations object's are to promote and to advance the education of the public in the conservation, protection, and improvement of the physical and natural environment so as to further the protection of the world's climate systems, including by reducing and making sustainable the use of energy and water and ensuring the prudent use of non-renewable resources for public benefit?.
Activities & Mission
The Foundations object's are to promote and to advance the education of the public in the conservation, protection, and improvement of the physical and natural environment so as to further the protection of the world's climate systems, including by reducing and making sustainable the use of energy and water and ensuring the prudent use of non-renewable resources for public benefit?.
Areas of Operation
Where this charity is registered to operate, as self-declared to the Charity Commission. These are regulatory classifications, not a list of active programmes, and don't necessarily indicate fundraising activity in each location.
Country
Financial Information
Financial Efficiency
Higher than 12% of UK Charitable activities charities with income £100K to £1M (sample: 1431). How is this calculated?
Higher than 38% of UK Charitable activities charities with income £100K to £1M. How is this calculated?
Lower overhead than 89% of UK Charitable activities charities with income £100K to £1M. (Lower overhead is generally read as more efficient.) How is this calculated?
Latest Financial Breakdown
Income Sources
Expenditure Categories
Financial Trend
Annual Returns
As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2025.
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2025 | £212,000 | £236,000 | 0 / 7 | |||
| 2024 | £238,000 | £825,000 | 0 / 0 | |||
| 2023 | £521,000 | £136,000 | £130,000 | £819,000 | £5,000 | 0 / 0 |
| 2022 | £500,000 | £123,000 | 0 / 0 |
Staff column shows: Employees / Volunteers
Frequently asked questions about The Energy Saving Trust Foundation
What does The Energy Saving Trust Foundation do?
The Foundations object's are to promote and to advance the education of the public in the conservation, protection, and improvement of the physical and natural environment so as to further the protection of the world's climate systems, including by reducing and making sustainable the use of energy and water and ensuring the prudent use of non-renewable resources for public benefit?.
How much income did The Energy Saving Trust Foundation report in 2025?
The Energy Saving Trust Foundation reported total income of £212k and reported expenditure of £236k for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.
How efficient is The Energy Saving Trust Foundation?
The Energy Saving Trust Foundation has a program ratio of 25.0%, meaning that share of its income goes directly to charitable activities. This is higher than 12% of UK Charitable activities charities with income £100K to £1M (sample of 1431 charities). See our methodology for how this is calculated.
When was The Energy Saving Trust Foundation registered as a charity?
The Energy Saving Trust Foundation was registered with the Charity Commission for England and Wales on 3 October 2011 as charity number 1144106. It has been registered for 15 years.
Who runs The Energy Saving Trust Foundation?
The Energy Saving Trust Foundation is governed by a board of 8 trustees. The chair of trustees is Carys Louise Nelkon. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does The Energy Saving Trust Foundation operate?
The Energy Saving Trust Foundation operates across 2 areas: Northern Ireland and Scotland.
Is The Energy Saving Trust Foundation a registered charity?
Yes — The Energy Saving Trust Foundation is a registered charity in England and Wales, charity number 1144106.
Details
223-231 Pentonville Road
London
N1 9NG
Registry Information
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Trustees
Sectors & Classifications
Also Known As
- Estf
Data & trust
- Register data refreshed
- 14 May 2026
- Methodology
- How metrics are calculated