The Chislehurst Society CIO

Analysis

The Chislehurst Society CIO is a registered charity in England and Wales, based in Chislehurst. It was registered in March 2016, 10 years ago. Its declared purposes cover education/training and environment/conservation/heritage, which this site groups under environment and conservation. Legally it is a charitable incorporated organisation (CIO). It says it makes grants to individuals, makes grants to organisations and provides human resources.

In the financial year ending December 2025, The Chislehurst Society CIO reported income of £143k and spending of £102k, leaving 28% of income unspent that year. Across the 5 years on record, from December 2021 to December 2025, income grew from £111k to £143k (+29%), an average of +6.5% a year. The sharpest change came in the year to December 2025, when income rose by 48%. Over the whole period it spent 108% of the income it received.

Among 4,574 England and Wales charities whose main cause is environment and conservation and that reported income, The Chislehurst Society CIO sits at the 81st percentile: it is larger than about 81% of them. Against every charity in England and Wales with reported income it ranks in the 76th percentile. Charities of a similar size with the same main cause include London Mining Network (£143k), Friends of Sherborne Abbey (£143k) and The Hardy Plant Society (£142k).