The Westmill Sustainable Trust
Analysis
The Westmill Sustainable Trust is a registered charity in England and Wales, based in Abingdon. It was registered in October 2014, 12 years ago. Its declared purposes cover education/training and arts/culture/heritage/science, which this site groups under arts, culture, heritage and science. Legally it is a charitable incorporated organisation (CIO). It says it makes grants to individuals, makes grants to organisations and provides advocacy/advice/information.
In the financial year ending December 2025, The Westmill Sustainable Trust reported income of £78k and spending of £54k, leaving 30% of income unspent that year. Across the 5 years on record, from December 2021 to December 2025, income grew from £56k to £78k (+38%), an average of +8.4% a year. The sharpest change came in the year to December 2025, when income rose by 113%. Over the whole period it spent 97% of the income it received.
Among 17,634 England and Wales charities whose main cause is arts, culture, heritage and science and that reported income, The Westmill Sustainable Trust sits at the 76th percentile: it is larger than about 76% of them. Against every charity in England and Wales with reported income it ranks in the 67th percentile. Charities of a similar size with the same main cause include The Exeter & District Classical Music Trust (£78k), Reckless Sleepers (£78k) and Barrel Organ (£78k).
Income and spending
Where the income comes from
- Other 100%
In the charity's own words
Promotion of sustainable energy and energy efficiency, especially in the region of Shrivenham and Watchfield, through events, grants and guided tours of Westmill Wind Farm and Solar Park.
Similar-sized charities, same cause
| Charity | Location | Income |
|---|---|---|
| The Exeter & District Classical Music Trust | Exeter | £78k |
| Reckless Sleepers | Blackburn | £78k |
| Barrel Organ | Somerset | £78k |
| The Croydon University of the Third Age | Orpington | £78k |