Wheal Martyn Trust LTD
Also known as: St Austell China Clay Museum Limited, China Clay Country Park
The charity is established to secure for the benefit of the public the preservation and maintenance of features and objects of historical interest in the area of St. Austell and the surrounding districts of Cornwall including the provision of an industrial museum relating to the China clay industry.
Activities & Mission
The charity is established to secure for the benefit of the public the preservation and maintenance of features and objects of historical interest in the area of St. Austell and the surrounding districts of Cornwall including the provision of an industrial museum relating to the China clay industry.
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
Higher than 40% of UK Heritage charities with income £100K to £1M (sample: 392). How is this calculated?
Higher than 13% of UK Heritage charities with income £100K to £1M. How is this calculated?
Lower overhead than 8% of UK Heritage charities with income £100K to £1M. (Lower overhead is generally read as more efficient.) How is this calculated?
Latest Financial Breakdown
Income Sources
Expenditure Categories
Financial Trend
Annual Returns
As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2025.
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2025 | £612,659 | £611,012 | £408,294 | £1,689,859 | £130,332 | 20 / 65 |
| 2024 | £635,479 | £565,615 | £373,037 | £1,688,212 | £117,221 | 20 / 55 |
| 2023 | £555,343 | £568,886 | £408,588 | £1,602,548 | £128,494 | 20 / 56 |
| 2022 | £529,900 | £593,686 | £447,685 | £1,616,091 | £133,410 | 10 / 64 |
| 2021 | £459,715 | £416,681 | 0 / 94 |
Staff column shows: Employees / Volunteers
Frequently asked questions about Wheal Martyn Trust LTD
What does Wheal Martyn Trust LTD do?
The charity is established to secure for the benefit of the public the preservation and maintenance of features and objects of historical interest in the area of St. Austell and the surrounding districts of Cornwall including the provision of an industrial museum relating to the China clay industry.
How much income did Wheal Martyn Trust LTD report in 2025?
Wheal Martyn Trust LTD reported total income of £613k and reported expenditure of £611k for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.
How efficient is Wheal Martyn Trust LTD?
Wheal Martyn Trust LTD has a program ratio of 66.6%, meaning that share of its income goes directly to charitable activities. This is higher than 40% of UK Heritage charities with income £100K to £1M (sample of 392 charities). See our methodology for how this is calculated.
When was Wheal Martyn Trust LTD registered as a charity?
Wheal Martyn Trust LTD was registered with the Charity Commission for England and Wales on 11 February 1991 as charity number 1001838. It has been registered for 35 years.
Who runs Wheal Martyn Trust LTD?
Wheal Martyn Trust LTD is governed by a board of 4 trustees. The chair of trustees is JOHN WOOD. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does Wheal Martyn Trust LTD operate?
Wheal Martyn Trust LTD operates in Cornwall, as recorded in its Charity Commission filing.
Is Wheal Martyn Trust LTD a registered charity?
Yes — Wheal Martyn Trust LTD is a registered charity in England and Wales, charity number 1001838.
Details
Wheal Martyn Heritage Centre
Carthew
ST. AUSTELL
Cornwall
PL26 8XG
Registry Information
Is this your charity?
Add your logo, photos and tell the story behind the numbers in your own words. Free for our first 50 launch partners.
Claim this listing Learn more about premium profilesOther notable Heritage charities
Major UK charities in the same primary sector, drawn from the curated priority cohort.
Trustees
Also governs 1 other charity
Sectors & Classifications
Also Known As
- St Austell China Clay Museum Limited
- China Clay Country Park
Data & trust
- Register data refreshed
- 14 May 2026
- Methodology
- How metrics are calculated