The Cornwall Sustainable Building Trust

Analysis

The Cornwall Sustainable Building Trust is a registered charity in England and Wales, based in Cornwall. It was registered in December 2003, 23 years ago. Its declared purposes cover general charitable purposes, education/training, environment/conservation/heritage and economic/community development/employment, which this site groups under environment and conservation. Legally it is a charitable company (Companies House number 04614816). It says it provides services, provides advocacy/advice/information and sponsors or undertakes research.

In the financial year ending January 2026, The Cornwall Sustainable Building Trust reported income of £76k and spending of £52k, leaving 32% of income unspent that year. Across the 5 years on record, from January 2022 to January 2026, income grew from £60k to £76k (+27%), an average of +6.1% a year. The sharpest change came in the year to January 2025, when income rose by 16%. Over the whole period it spent 71% of the income it received.

Among 4,574 England and Wales charities whose main cause is environment and conservation and that reported income, The Cornwall Sustainable Building Trust sits at the 75th percentile: it is larger than about 75% 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 Joseph Nickerson Charitable Foundation (£76k), Charlotteville Jubilee Trust Limited (£76k) and The Derwent and Wye Valley Railway Trust Limited (£76k).