The International Institute for Conservation of Historic and Artistic Works

Analysis

The International Institute for Conservation of Historic and Artistic Works is a registered charity in England and Wales, based in London. It was registered in September 1962, 64 years ago. Its declared purposes cover arts/culture/heritage/science and environment/conservation/heritage, which this site groups under arts, culture, heritage and science. Legally it is a charitable company (Companies House number 00481522). It says it makes grants to individuals, makes grants to organisations and provides services.

In the financial year ending June 2025, The International Institute for Conservation of Historic and Artistic Works reported income of £435k and spending of £407k, spending 93% of its income. Across the 5 years on record, from June 2021 to June 2025, income grew from £328k to £435k (+33%), an average of +7.3% a year. The sharpest change came in the year to June 2025, when income rose by 71%. Over the whole period it spent 99% 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 International Institute for Conservation of Historic and Artistic Works sits at the 91st percentile: it is larger than about 91% of them. Against every charity in England and Wales with reported income it ranks in the 89th percentile. Charities of a similar size with the same main cause include The Courtauld Institute of Art Fund (£434k), Luton Carnival Arts Development Trust (£436k) and Ouse & Adur Rivers Trust (£434k).