The National Energy Foundation
Also known as: Nef Renewables
The National Energy Foundation is an independent charity working to improve the use of energy in buildings in the UK. It does this through undertaking projects, often in collaboration with others; supporting the provision of affordable warmth; providing capacity building programmes, for example in building performance evaluation and labelling; and offering information and advice.
Activities & Mission
The National Energy Foundation is an independent charity working to improve the use of energy in buildings in the UK. It does this through undertaking projects, often in collaboration with others; supporting the provision of affordable warmth; providing capacity building programmes, for example in building performance evaluation and labelling; and offering information and advice.
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
Region
Financial Information
Financial Efficiency
Higher than 94% of UK Environment charities with income £1M to £10M (sample: 234). How is this calculated?
Higher than 100% of UK Environment charities with income £1M to £10M. How is this calculated?
Lower overhead than 94% of UK Environment charities with income £1M to £10M. (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.
One or more years show a significant change in income (over ±100%) compared with the prior year. This usually reflects a merger, transfer of activities, restated accounts, or a one-off legacy — not necessarily a real change in operating scale. See the methodology for context.
The Commission record shows this related event on the register:
- Asset transfer in in 2017 — The Sustainable Energy Academy (organisation 287998)
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2025 | £3,428,925 | £3,988,987 | £3,988,987 | £3,638,142 | £3,638,142 | 88 / 0 |
| 2024 | £5,527,312 | £2,917,228 | £2,917,228 | £4,198,204 | £4,198,204 | 80 / 0 |
| 2023 | £1,824,742 | £1,429,028 | £1,429,028 | £1,588,120 | £1,588,120 | 39 / 0 |
| 2022 | £966,951 | £1,029,380 | £1,029,380 | £1,192,406 | £1,192,406 | 21 / 3 |
| 2021 | £555,403 | £643,067 | £643,067 | £1,254,835 | £1,254,835 | 16 / 2 |
Staff column shows: Employees / Volunteers
Frequently asked questions about The National Energy Foundation
What does The National Energy Foundation do?
The National Energy Foundation is an independent charity working to improve the use of energy in buildings in the UK. It does this through undertaking projects, often in collaboration with others; supporting the provision of affordable warmth; providing capacity building programmes, for example in building performance evaluation and labelling; and offering information and advice.
How much income did The National Energy Foundation report in 2025?
The National Energy Foundation reported total income of £3.43m and reported expenditure of £3.99m for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.
How efficient is The National Energy Foundation?
The National Energy Foundation has a program ratio of 116.3%, meaning that share of its income goes directly to charitable activities. This is higher than 94% of UK Environment charities with income £1M to £10M (sample of 234 charities). See our methodology for how this is calculated.
When was The National Energy Foundation registered as a charity?
The National Energy Foundation was registered with the Charity Commission for England and Wales on 23 March 1988 as charity number 298951. It has been registered for 38 years.
Who runs The National Energy Foundation?
The National Energy Foundation is governed by a board of 6 trustees. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does The National Energy Foundation operate?
The National Energy Foundation operates across 3 areas: Northern Ireland, Scotland and England And Wales.
Is The National Energy Foundation a registered charity?
Yes — The National Energy Foundation is a registered charity in England and Wales, charity number 298951.
Details
Challenge House
Sherwood Drive
Bletchley
MILTON KEYNES
MK3 6DP
Registry Information
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Major UK charities in the same primary sector, drawn from the curated priority cohort.
Trustees
Also governs 1 other charity
Also governs 1 other charity
Sectors & Classifications
Also Known As
- Nef Renewables
Data & trust
- Register data refreshed
- 14 May 2026
- Methodology
- How metrics are calculated