Tree Register of the British Isles

Analysis

Tree Register of the British Isles is a registered charity in England and Wales, based in Hertfordshire. It was registered in May 1989, 37 years ago. Its declared purposes cover education/training, arts/culture/heritage/science and environment/conservation/heritage, which this site groups under arts, culture, heritage and science. It says it provides services, provides advocacy/advice/information and sponsors or undertakes research.

In the financial year ending December 2025, Tree Register of the British Isles reported income of £20k and spending of £31k, spending 157% of what it took in. Across the 5 years on record, from December 2021 to December 2025, income fell from £28k to £20k (-30%), an average of -8.5% a year. The sharpest change came in the year to December 2022, when income dropped by 25%. Over the whole period it spent 103% 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, Tree Register of the British Isles sits at the 49th percentile: it is larger than about 49% of them. Against every charity in England and Wales with reported income it ranks in the 44th percentile. Charities of a similar size with the same main cause include Southend-On-Sea Musical Festival Association (£20k), Crosby Gilbert and Sullivan Society (£20k) and Booker Memorial Hall (£20k).