The Blenheim Foundation
RESTORING AND PRESERVING FOR THE PUBLIC BENEFIT BLENHEIM AND OTHER BUILDINGS IN VICINITY OR ELSEWHERE WHICH ARE OF PARTICULAR BEAUTY OR OF PARTICULAR ARCHITECTURAL OR HISTORIC INTEREST. PRESERVING FOR THE PUBLIC BENEFIT BLENHEIM PARK OR OTHER LAND IN THE VICINITY OR ELSEWHERE OF OUTSTANDING NATURAL BEAUTY.
Activities & Mission
RESTORING AND PRESERVING FOR THE PUBLIC BENEFIT BLENHEIM AND OTHER BUILDINGS IN VICINITY OR ELSEWHERE WHICH ARE OF PARTICULAR BEAUTY OR OF PARTICULAR ARCHITECTURAL OR HISTORIC INTEREST. PRESERVING FOR THE PUBLIC BENEFIT BLENHEIM PARK OR OTHER LAND IN THE VICINITY OR ELSEWHERE OF OUTSTANDING NATURAL BEAUTY.
Areas of Operation
Where this charity is registered to operate, as self-declared to the Charity Commission. These are regulatory classifications, not a list of active programmes, and don't necessarily indicate fundraising activity in each location.
Local Authority
Financial Information
Financial Efficiency
Financial Trend
Annual Returns
As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2025.
One or more years show a significant change in income (over ±100%) compared with the prior year. This usually reflects a merger, transfer of activities, restated accounts, or a one-off legacy — not necessarily a real change in operating scale. See the methodology for context.
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2025 | £207,058 | £953,510 | 0 / 0 | |||
| 2024 | £65,035 | £106,808 | 0 / 0 | |||
| 2023 | £11,170 | £223,062 | 0 / 0 |
Staff column shows: Employees / Volunteers
Frequently asked questions about The Blenheim Foundation
What does The Blenheim Foundation do?
RESTORING AND PRESERVING FOR THE PUBLIC BENEFIT BLENHEIM AND OTHER BUILDINGS IN VICINITY OR ELSEWHERE WHICH ARE OF PARTICULAR BEAUTY OR OF PARTICULAR ARCHITECTURAL OR HISTORIC INTEREST. PRESERVING FOR THE PUBLIC BENEFIT BLENHEIM PARK OR OTHER LAND IN THE VICINITY OR ELSEWHERE OF OUTSTANDING NATURAL BEAUTY.
How much income did The Blenheim Foundation report in 2025?
The Blenheim Foundation reported total income of £207k and reported expenditure of £954k for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.
When was The Blenheim Foundation registered as a charity?
The Blenheim Foundation was registered with the Charity Commission for England and Wales on 29 January 1985 as charity number 290988. It has been registered for 41 years.
Who runs The Blenheim Foundation?
The Blenheim Foundation is governed by a board of 3 trustees. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does The Blenheim Foundation operate?
The Blenheim Foundation operates in Oxfordshire, as recorded in its Charity Commission filing.
Is The Blenheim Foundation a registered charity?
Yes — The Blenheim Foundation is a registered charity in England and Wales, charity number 290988.
Details
20 OLD BAILEY
LONDON
EC4M 7AN
Registry Information
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Trustees
Also governs 1 other charity
Also governs 3 other charities
Also governs 3 other charities
Sectors & Classifications
Data & trust
- Register data refreshed
- 14 May 2026
- Methodology
- How metrics are calculated