Energy efficiency measure proprietary system EEM
PAS 2035:2023 (Incorporating Corrigendum No.1) Retrofitting dwellings for improved energy efficiency – Specification and guidance published in August 2024 defines an Energy Efficiency Measure (EEM) proprietary system as a "combination of products and materials together with any related installation method, design detailing, equipment requirements and performance objectives, placed on the market exclusively by a specific supplier, for installation in existing buildings for the purpose of enhancing the energy efficiency of those buildings"
[edit] Related articles on Designing Buildings
- Accredited energy assessor.
- Are Energy Performance Certificates accurate?
- Building performance.
- Building performance metrics.
- Certificates in the construction industry.
- Display energy certificate.
- Emission rates.
- Energy certificates for buildings.
- Home information pack HIP.
- How are EPCs produced?
- Minimum energy efficiency standard (MEES).
- National Calculation Method.
- Passivhaus vs SAP.
- Performance contracting.
- Performance gap.
- Simplified Building Energy Model.
- The EPC consultation in the context of changes to the NCM.
- The Home Energy Model and Future Homes Standard assessment wrapper.
- The sustainability of construction works.
- Updating MEES for privately rented homes in England and Wales by 2030.
Featured articles and news
Cyber Security in the Built Environment
Protecting projects, data, and digital assets: A CIOB Academy TIS.
The UK's campaign to reduce noise pollution: Mythbusting, articles and topic guides.
Setting Expectations on Competence Management
Industry Competence Committee.
New Scottish and Welsh governments
CIOB stresses importance of construction after new parliament elections.
The sad story of Derby Hippodrome
An historic building left to decay.
ECA, JIB and JTL back Fabian Society call to invest in skills for a stronger built environment workforce.
Women's Contributions to the Built Environment.
Calls for the delayed Circular Economy Strategy
Over 50 leading businesses, trade associations and professional bodies, including CIAT, and UKGBC sign open letter.
The future workforce: culture change and skill
Under the spotlight at UK Construction Week London.
A landmark moment for postmodern heritage.
A safe energy transition – ECA launches a new Charter
Practical policy actions to speed up low carbon adoption while maintaining installation safety and competency.
Frank Duffy: Researcher and Practitioner
Reflections on achievements and relevance to the wider research and practice communities.
The 2026 Compliance Landscape: Fire doors
Why 'Business as Usual' is a Liability.
Cutting construction carbon footprint by caring for soil
Is construction neglecting one of the planet’s most powerful carbon stores and one of our greatest natural climate allies.
ARCHITECTURE: How's it progressing?
Archiblogger posing questions of a historical and contextual nature.




















