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Registered charity · No. 800066Charitable company

International Institute for Environment and Development

Independent profile · Charity Commission for England and Wales data

International Institute for Environment and Development is a registered charity in England & Wales. Its register classifications include education/training, the prevention or relief of poverty, overseas aid/famine relief.

Register extract · Not yet rated

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At a glance · official register

What are the key facts about International Institute for Environment and Development?

Reported income · year ending 2025-03-31
£32,550,000
Reported spending · year ending 2025-03-31
£34,346,000
Registered charity number
800066
Status in source extract
Registered
Charity type
Charitable company
Register contact address detail (not service area)
London
Registered for Gift Aid (HMRC)
Not recorded

Quick answer

International Institute for Environment and Development (number 800066) is listed as registered in the Charity Commission snapshot used here. Check the live register for its current position. Registration does not authenticate a particular fundraising appeal or establish the impact of a donation.

What does International Institute for Environment and Development do?

An independent, non-profit research institute working in the field of sustainable development. Aims to provide expertise and leadership in researching and achieving sustainable development at local, national and global levels. In alliance with others we seek to help shape a future that ends global poverty and delivers and sustains efficient and equitable management of the world's natural resources

Activities reported on the official register · extract 2026-10-04.

From the annual return

Pay, income, Gift Aid and registration details for International Institute for Environment and Development

Answers International Institute for Environment and Development gave in its annual return to the Charity Commission for the year ending 31 March 2025, plus its register entry. A blank answer in the return is shown as not reported, never as “no”.

How much are International Institute for Environment and Development's highest-paid staff paid?

International Institute for Environment and Development's annual return for the year ending 31 March 2025 reports 48 employees paid more than £60,000, including 4 employees paid more than £100,000. The highest reported pay band is £150,001–£200,000 (1 employee).

Employees paid over £60,000, by salary band
£150,001–£200,0001
£130,001–£140,0001
£110,001–£120,0001
£100,001–£110,0001
£90,001–£100,0006
£80,001–£90,0008
£70,001–£80,00012
£60,001–£70,00018

The register reports headcounts in salary bands, not names. Individual pay is disclosed in the trustees' annual report.

Where does International Institute for Environment and Development's money come from?

International Institute for Environment and Development reported £33m total income for the year ending 31 March 2025. The largest sources were charitable activities £32m (100%), investments £106k (0%).

  • Charitable activities (fees and contracts)£32m · 100%
  • Investments£106k · 0%

Can I claim Gift Aid, and are the trustees paid?

The register does not record International Institute for Environment and Development as registered with HMRC for Gift Aid. Ask the charity before assuming a donation can be Gift Aided.

International Institute for Environment and Development's annual return for the year ending 31 March 2025 reports that no trustee received remuneration or other benefits from the charity.

Registration details

Registered as a charity
Company number
02188452 (Companies House)
Also known as
Iied
Where it says it operates
Argentina · Australia · Bangladesh · Benin · Bhutan · Bolivia · Burkina Faso · Cameroon

Who it supports and how it works

Reported beneficiaries: Other Charities Or Voluntary Bodies; The General Public/mankind.

Reported activities: Makes Grants To Individuals; Makes Grants To Organisations; Provides Services; Provides Advocacy/advice/information; Sponsors Or Undertakes Research.

Classifications supplied to the register; extract 2026-10-04. These broad categories do not establish eligibility or current capacity. Use the official contact details to ask about access, referrals and service area.

What causes is International Institute for Environment and Development registered for?

Education/trainingThe Prevention Or Relief Of PovertyOverseas Aid/famine Relief

Why is there no Clarity Score for International Institute for Environment and Development yet?

Our dataset does not yet contain the detailed filing history needed to score International Institute for Environment and Development. An unrated profile is a gap in our assessment, not a negative judgement about the charity. The register facts and available annual-return disclosures above remain useful. Payment never influences a rating. How scoring works

What should you check before donating to International Institute for Environment and Development?

  • Match the registered name and number to the appeal. A real charity number can be copied by someone impersonating the organisation.
  • Open the current register entry to check status, contact details and available accounts. This profile reflects a dated extract.
  • Read the charity’s annual report for its work and results. An unrated profile means we lack a full assessment; it is not a negative rating.

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Is this your charity?

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Frequently asked questions

Is International Institute for Environment and Development a legitimate charity?
The register data used for this profile lists International Institute for Environment and Development as a registered charity (number 800066) with the Charity Commission for England and Wales. Check the current register entry. A real charity number does not verify a fundraiser or appeal, and registration is not an impact rating.
What is International Institute for Environment and Development's charity number?
International Institute for Environment and Development's charity number is 800066. Check that number on the Charity Commission register or this CharityCompare profile before you donate.
How do I check charity number 800066?
Search 800066 on the Charity Commission for England and Wales register or on CharityCompare. Confirm the registered name matches the organisation asking for money — scammers sometimes reuse real charity numbers.
What does International Institute for Environment and Development do?
An independent, non-profit research institute working in the field of sustainable development. Aims to provide expertise and leadership in researching and achieving sustainable development at local, national and global levels. In alliance with others we seek to help shape a future that ends global poverty and delivers and sustains efficient and equitable management of the world's natural resources
Does International Institute for Environment and Development have reviews and complaints?
CharityCompare does not host public user reviews for International Institute for Environment and Development. This basic profile confirms registration and register facts. Rated charities also show a filing-based Clarity Score. For formal complaints, contact the Charity Commission for England and Wales or the Fundraising Regulator as appropriate.
How can I donate to International Institute for Environment and Development?
International Institute for Environment and Development's website listed in our register data is http://www.iied.org. Verify it against the current register before donating. CharityCompare does not process donations or take a commission; the charity's payment provider may charge fees.
How much is International Institute for Environment and Development's chief executive paid?
The Charity Commission register does not name individual salaries. International Institute for Environment and Development's annual return for the year ending 31 March 2025 reports 48 employees paid more than £60,000, including 4 employees paid more than £100,000. The highest reported pay band is £150,001–£200,000 (1 employee). Charities normally disclose the chief executive's pay, or the pay of their highest-paid staff, in the remuneration note of the trustees' annual report and accounts.
Where does International Institute for Environment and Development's money come from?
International Institute for Environment and Development reported £33m total income for the year ending 31 March 2025. The largest sources were charitable activities £32m (100%), investments £106k (0%).
Can I claim Gift Aid on a donation to International Institute for Environment and Development?
The register does not record International Institute for Environment and Development as registered with HMRC for Gift Aid. Ask the charity before assuming a donation can be Gift Aided.
Are International Institute for Environment and Development's trustees paid?
International Institute for Environment and Development's annual return for the year ending 31 March 2025 reports that no trustee received remuneration or other benefits from the charity.
When was International Institute for Environment and Development registered as a charity?
International Institute for Environment and Development was entered on the register on 28 April 1989. It is also a company registered at Companies House (company number 02188452).

Source: Charity Commission for England and Wales register extract dated 2026-10-04, used under the Open Government Licence v3.0. Always verify current details on the official register entry.