THE CHARTERED INSTITUTION OF BUILDING SERVICES ENGINEERS

Registered charity 278104 · accounts filings on the Charity Commission register · also known as THE CHARTERED INSTITUTION OF BUILDING SERVICES ENGINEERS BENEVOLENT FUND

CIBSE publishes authoritative, internationally recognised Guidance and Codes and sets the criteria for best practice in building services engineering, with particular emphasis on the response to climate change. CIBSE accredits courses of study in further and higher education, approves work-based training programmes and provides routes to full professional registration.

Causes: Education/training · Environment/conservation/heritage · website · Get email alerts

Latest income
£11.1m
Latest spending
£11.0m
Registered
1979
Accounts read
FY2025

Financial health, per its FY2025 accounts

The charity reported a net income of £6,878,439 for the year ended 31 December 2025, resulting in total unrestricted and designated funds of £10,031,261. The accounts state there are no material uncertainties regarding the group's ability to continue as a going concern, supported by adequate cash and liquid investments to meet liabilities as they fall due.

Automated summary of the FY2025 accounts; the evidenced findings below carry the verbatim passages.

What the accounts disclose

Related-party transaction: Payment to Trustee Vincent Arnold for Building Safety Act Course development and Presentation.
“During 2025, there was £650 paid to a Trustee, Vincent Arnold, in relation to fees paid in support of the Building Safety Act Course development and Presentation” — page 81
Per its FY2025 accounts as filed with the Charity Commission.
Trading subsidiary: CIBSE Services Limited, CIBSE Certification Limited, The Chartered Institution of Building Services Engineers Hong Kong Limited, CIBSE EMEA Seminars Organizing Services L.L.C. S.O.C.
“The financial statements include the consolidation of CIBSE Services Limited, CIBSE Certification Limited and The Chartered Institution of Building Services Engineers Hong Kong Limited (CIBSE Hong Kong Limited), all wholly owned subsidiaries of the Institution.” — page 69
Per its FY2025 accounts as filed with the Charity Commission.

Accounts audited. Discloses 2 of 6 completeness components.

Corporate structure

CIBSE SERVICES LIMITED — per its own Companies House accounts
  • Turnover: £3.7m
  • Profit before tax: £615k
  • Donated/gift-aided to the charity: £1.0m
  • Amount owed to CIBSE Certification Limited: £1,107,765
“Payment to CIBSE made under the gift aid scheme”
CIBSE CERTIFICATION LIMITED — per its own Companies House accounts
  • Turnover: £1.1m
  • Profit before tax: £103k
  • Donated/gift-aided to the charity: £150k
  • As at 31 December 2025, the company is owed £1,107,765 (2024: £825,035) by CIBSE Services Limited, a fellow subsidiary by virtue of common control by CIBSE.
“Amount paid under gift aid to CIBSE 150,352”

Property (HM Land Registry)

2 registered titles in England and Wales held by the charity’s company or corporate body (2 freehold). All charity-held property. Contains HM Land Registry data © Crown copyright, OGL v3.0.

Public profiles (found on the charity’s own website): facebook · instagram

Structured financials (annual return, FY ending 31/12/2025)

Total income
£11.1m
Total spending
£11.0m
Cost of raising funds
£3.8m
Reserves (reported)
£7.0m
Employees
79

Reported reserves equal ~7.6 months of spending — above the median for charities its size (median 4.6 months; benchmarks).

Per its annual return, largest income source: Other (47% of income) — components as reported reconcile to the return’s total income; not from the accounts narrative.

Per its annual return, cost of raising funds: 34.4% of total income — above the 90th percentile for charities its size (median 3.8%) (benchmarks).

Trustees · trustee networks

Trustee list from the Charity Commission register (current, not historical).

Operates in: Australia · Hong Kong · Ireland · Northern Ireland · Scotland · Throughout England And Wales · United Arab Emirates

Income and spending

Financial year endIncomeSpending
31/12/2025£11.1m£11.0m
31/12/2024£16.9m£10.1m
31/12/2023£9.5m£9.4m
31/12/2022£8.5m£7.7m
31/12/2021£6.9m£6.6m

Common questions

Is THE CHARTERED INSTITUTION OF BUILDING SERVICES ENGINEERS financially healthy?

Per its FY2025 accounts: The charity reported a net income of £6,878,439 for the year ended 31 December 2025, resulting in total unrestricted and designated funds of £10,031,261. The accounts state there are no material uncertainties regarding the group's ability to continue as a going concern, supported by adequate cash and liquid investments to meet liabilities as they fall due. Its FY2025 accounts were audited.

Funders of similar charities

Funders whose accounts show grants to charities similar to this one (and no recorded grant to this charity) — a starting list for fundraisers.

Charities like this

Semantically similar by activities and financial character, from our analysed corpus. Compare with THE CHARTERED INSTITUTE OF BUILDING.

Side by side with its peers

CharityIncomeTop pay bandStaff >£60kReserves vs policyFundraising costGoing concern
THE CHARTERED INSTITUTION OF BUILDING SERVICES ENGINEERS£11.1m——unclear—no doubt
THE CHARTERED INSTITUTE OF BUILDING FY2024£15.4m——above—no doubt
CHARTERED INSTITUTION OF CIVIL ENGINEERING SURVEYORS FY2025£1.3m——unclear—no doubt
THE CHARTERED INSTITUTE OF PLUMBING AND HEATING ENGINEERING FY2024£1.3m£100,001 - £110,0002unclear—no doubt
THE BRITISH INSTITUTE OF NON-DESTRUCTIVE TESTING FY2024£4.1m——unclear—no doubt
CLIMATE BONDS INITIATIVE FY2024£9.5m——unclear—no doubt

Each row is that charity’s latest analysed filing; every value is quote-backed on its own page.