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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About THE TWENTIETH CENTURY SOCIETY
THE TWENTIETH CENTURY SOCIETY is a registered charity in England and Wales (registration number 1110244). Based on official Charity Commission data, it holds a "Platinum" rating with a CharityScore of 95/100 — one of the highest-rated charities in England and Wales for governance and transparency. This places it among the top-rated charities in our database, reflecting strong performance across governance, financial health, and regulatory compliance. In its most recent reporting year (2024), THE TWENTIETH CENTURY SOCIETY reported a total income of £464,115 and total expenditure of £381,610, a spending ratio of 82% indicating a strong proportion of funds directed to charitable work. According to the Charity Commission register, THE TWENTIETH CENTURY SOCIETY describes its activities as follows: 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 Our analysis found no significant governance concerns for THE TWENTIETH CENTURY SOCIETY. No regulatory actions, filing failures, or financial anomalies were detected in the available public data. This profile is based on data publicly available from the Charity Commission for England and Wales and is updated periodically as new filings are processed. CharityScore UK provides independent, data-driven transparency ratings to help donors give with confidence — we are not affiliated with this charity or any government body.

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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