THE TWENTIETH CENTURY SOCIETY
Registration #1110244 · Registered
c20society.org.ukcoordinator@c20society.org.uk
70 COWCROSS STREET LONDON EC1M 6EJ
The Twentieth Century Society is a membership organisation, open to all, which campaigns for the conservation of the best c20th architecture. It was founded in 1979 as The Thirties Society and is now recognised by government and has a statutory role in the planning process in England. It organises lectures, conference and study tours in the UK and abroad
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Financial History
Latest spending ratio: 82.2% of income spent on charitable work
| Year | Income | Spending | Ratio |
|---|---|---|---|
| 2024 | £464,115 | £381,610 | 82% |
Data sourced from the Charity Commission for England & Wales · Last scored 6/11/2026