Common questions about The Chartered Institution of Building Services Engineers's rating, finances, and Charity Commission status.
Is The Chartered Institution of Building Services Engineers a good charity? +
The Chartered Institution of Building Services Engineers scores 79 out of 100 (4 stars — Good) on CharityCompare's Clarity Score, our independent read of its UK regulator filings. Around 62% of its spending goes to charitable activities (3-yr avg) and its accounts are up to date. That reflects how transparent and financially healthy it looks on paper — it does not measure the real-world impact of its work, so treat it as one factor alongside the cause you care about. CharityCompare never tells you where to donate.
Is The Chartered Institution of Building Services Engineers a legitimate charity? +
The register data used for this profile lists The Chartered Institution of Building Services Engineers as a registered charity (charity number 278104). Verify it on the official register: https://register-of-charities.charitycommission.gov.uk/charity-details/?regId=278104&subId=0. Check the current entry and the identity of anyone requesting money. Registration does not verify a particular appeal; Clarity Score summarises filing transparency, not programme impact.
What is The Chartered Institution of Building Services Engineers's charity number? +
The Chartered Institution of Building Services Engineers's charity number is 278104. Check that number on the official register (Charity Commission, OSCR or CCNI) or this CharityCompare profile before you donate — scammers sometimes reuse real numbers on fake appeals.
What is The Chartered Institution of Building Services Engineers's charity rating? +
The Chartered Institution of Building Services Engineers scores 79 out of 100 on CharityCompare (4 stars — Good). The Clarity Score (method v1.1) sums four pillars from UK regulator filings: Accountability & Transparency (40 pts), Financial Health (30), Financial Efficiency (20), and Community Support (10). Stars use the same bands as those labels — 90+ is 5★ Exceptional. It is not an impact ranking.
Does The Chartered Institution of Building Services Engineers have reviews and complaints? +
CharityCompare does not host public user reviews for The Chartered Institution of Building Services Engineers. Instead you get a filing-based Clarity Score, cause spend, reserves and red flags such as late accounts (2 red flags on this profile: high fundraising costs; sharp income decline). For formal complaints about a charity, contact the Charity Commission, OSCR, CCNI or the Fundraising Regulator as appropriate.
How much of my donation reaches The Chartered Institution of Building Services Engineers? +
Across the recent disclosed accounts used for this score, 62% of The Chartered Institution of Building Services Engineers's total spending went to charitable activities (3-yr avg across disclosed years). That is the closest official figure to "how much of your donation reaches the cause" — it is an average across all spending in the filing, not a pound-by-pound breakdown of an individual gift.
What are The Chartered Institution of Building Services Engineers's overheads? +
Across the recent disclosed accounts used for this score, fundraising costs were about 38% of total expenditure and fundraising plus separately reported governance figures amount to about 39% of expenditure (2023–2025, disclosed years); these categories can overlap, so this is not a distinct total of all administration costs at The Chartered Institution of Building Services Engineers. The Chartered Institution of Building Services Engineers's annual return for the year ending 31 December 2025 reports 20 employees paid more than £60,000, including 8 employees paid more than £100,000. The highest reported pay band is £300,001–£350,000 (1 employee). Individual salaries, including the chief executive's, are disclosed in the trustees' annual report rather than on the register.
How much income does The Chartered Institution of Building Services Engineers receive? +
The Chartered Institution of Building Services Engineers reported £11m total income in its 2025 accounts, based on UK regulator filings. Five-year trend: growing.
Are The Chartered Institution of Building Services Engineers's accounts up to date? +
Filing status: up to date (last filing 2026-06-25). CharityCompare flags late or missing accounts separately from the financial score.
Where is The Chartered Institution of Building Services Engineers based? +
The Chartered Institution of Building Services Engineers's registered contact address is in London (EC1N 8QP). It tells the regulator it operates in England and Wales, Australia, Ireland, United Arab Emirates, Scotland, Northern Ireland, with a focus on environment.
How much is The Chartered Institution of Building Services Engineers's chief executive paid? +
The Charity Commission register does not name individual salaries. The Chartered Institution of Building Services Engineers's annual return for the year ending 31 December 2025 reports 20 employees paid more than £60,000, including 8 employees paid more than £100,000. The highest reported pay band is £300,001–£350,000 (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 The Chartered Institution of Building Services Engineers's money come from? +
The Chartered Institution of Building Services Engineers reported £11m total income for the year ending 31 December 2025. The largest sources were other income £5.2m (47%), trading and fundraising events £4.6m (42%), charitable activities £824k (7%).
Can I claim Gift Aid on a donation to The Chartered Institution of Building Services Engineers? +
The register records The Chartered Institution of Building Services Engineers as registered with HMRC for Gift Aid, so a UK taxpayer can usually add 25p to every £1 they give by making a Gift Aid declaration.
Are The Chartered Institution of Building Services Engineers's trustees paid? +
The Chartered Institution of Building Services Engineers's annual return for the year ending 31 December 2025 reports that no trustee received remuneration or other benefits from the charity.
What was The Chartered Institution of Building Services Engineers previously called? +
The register lists this previous name for The Chartered Institution of Building Services Engineers: The Chartered Institution of Building Services Engineers Benevolent Fund.
When was The Chartered Institution of Building Services Engineers registered as a charity? +
The Chartered Institution of Building Services Engineers was entered on the register on 19 November 1979. It is also a company registered at Companies House (company number RC000885).
How does CharityCompare score The Chartered Institution of Building Services Engineers? +
We calculate a Clarity Score of 0–100 from four pillars in The Chartered Institution of Building Services Engineers's regulator filings: Accountability & Transparency (40 points — filing history, trustees, policies), Financial Health (30 — reserves, income trend, debt), Financial Efficiency (20 — cause spend and fundraising cost, on a graduated scale) and Community Support (10 — volunteer-to-staff ratio). An open statutory inquiry scores 0. The score measures reporting on paper, not programme impact. CharityCompare is free for donors, takes no commission on donations, and scores cannot be bought.
How often is this page updated? +
This profile was last updated on 6 September 2026 from the latest UK regulator data available to CharityCompare, and The Chartered Institution of Building Services Engineers's most recent accounts cover 2025. Scores and figures refresh whenever we re-ingest the register, so the page reflects our latest data pull rather than a one-off review.