The Governance RegisterEdition 2026 · Compiled 12th July 2026

Herbert William Mawer Trust

Registered charity 502772 Registered since 1974

Operates: North Yorkshire

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Board DNA

How this board is put together, from Charity Commission trustee records and Companies House - deterministic, no AI.iBoard compositionCounted from the dated Charity Commission trustee register: the current board only, past trustees excluded.

3
trustees on the board
9y median 9y
average tenure
9y
longest tenure
1
trustees past 6 years
9.7y
average years in governance
2 vs 1 portfolio
first-time trustees
1
company-linked trustees

Sector coverage iSector coverageThe charitable fields this board's trustees govern in elsewhere, by Charity Commission classification. Excludes this charity.

Education/training 1Environment/conservation/heritage 1General Charitable Purposes 1The Prevention Or Relief Of Poverty 1

Commercial experience iCommercial experienceThe industries this board's members are company directors in, by Companies House SIC code. Excludes this organisation's own company.

Property 2Arts and leisure 1Other services 1

Gaps to watch

  • Small board - little cover if a trustee leaves
🔒 Succession forecast is a Pro feature - the board seats likely to open in the next year and the ideal next trustee. Explore Pro →

Related organisations iRelated organisationsBoards that overlap with this one through shared trustees, or govern in the same field. Deterministic, from public records.

Boards that overlap with this one through shared trustees, or govern in the same field. Deterministic, from public records.

Contact

Websitewww.sionhillhall.co.uk
Emailsionhill@btconnect.com
Phone01845587206
AddressH W MAWER TRUST, SION HILL HALL, KIRBY WISKE, THIRSK, YO7 4EU

Finances

£63,463 latest income

YearIncomeSpending
2020£83,711£67,143
2021£66,234£76,784
2022£76,625£93,416
2023£76,415£111,909
2024£63,463£129,030

What it does

What

Arts/culture/heritage/scienceEnvironment/conservation/heritage

Who

The General Public/mankind

How

Provides Buildings/facilities/open Space

Charitable objects

UPON TRUST TO USE AND PERMIT THE SAME TO BE USED AS AND FOR A MUSEUM OPEN TO THE PUBLIC AT ALL REASONABLE TIMES FOR THE PUBLIC EXHIBITION OF THE MAWER COLLECTION AND FOR NO OTHER PURPOSE WHATSOEVER AND SHALL STAND POSSESSED OF THE MAWER COLLECTION UPON TRUST FOR THE PURPOSE OF ITS PUBLIC EXHIBITION IN THE MUSEUM PROPERTY.

Governing document: DECLARATION OF TRUST DATED 1 OCTOBER 1973. SUPPLEMENTAL DEED 12 AUGUST 1982

Trustees (3)

3trustees
76median age
1aged 70+

Connected charities (3)

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