THE CHARTERED INSTITUTION OF BUILDING SERVICES ENGINEERS
Activities
As described by the charity on the register
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.
Latest income
£11.1m
Expenditure
£11.0m
Financial year end
2025-12-31
Income & spending history
As reported to the Charity Commission, by financial year end
| Year end | Income | Expenditure | |
|---|---|---|---|
| 2021-12-31 | £6.9m | £6.6m | |
| 2022-12-31 | £8.5m | £7.7m | |
| 2023-12-31 | £9.5m | £9.4m | |
| 2024-12-31 | £16.9m | £10.1m | |
| 2025-12-31 | £11.1m | £11.0m |
Latest detailed return
Year end 2025-12-31 · consolidated (group) figures
Income mix
| Donations & legacies | £316k |
| Charitable activities | £824k |
| Trading | £4.6m |
| Investment income | £139k |
| Total income | £11.1m |
Spending
| Charitable spend | £7.1m |
| Raising funds | £3.8m |
| Grants to institutions | £0 |
| Governance | £106k |
| Total expenditure | £11.0m |
Balance sheet
| Reserves | £7.0m |
| Total funds | £10.2m |
| — restricted | £151k |
| — unrestricted | £10.0m |
| — endowment | £0 |
| Total assets | £10.2m |
| Cash | £2.3m |
People
| Employees | 79 |
Classification
The charity's own register classification
What it does
- Education/training
- Environment/conservation/heritage
Who it helps
- The General Public/mankind
How it works
- Provides Advocacy/advice/information
- Sponsors Or Undertakes Research
Source: Charity Commission for England and Wales register, 2026-07-28. Detailed figures as filed in the charity's annual return. Contains public sector information licensed under the Open Government Licence v3.0.