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Energy Efficiency Building Regulations: Part L


Upcoming Courses 
Key Areas
Course Content
Learning Outcomes

Course Timings
Course Fees
In-House Training 

A full overview and agenda, need to know information, and booking instructions can be found on the individual upcoming course pages. Click on a course below to view.


Upcoming Courses

The CIBSE training team are currently updating the website with all the new 2020 course dates. These will be completed in the next few weeks. Please email to find out the next date and location for this course.

Download the full 2020 training brochure.

Key Areas

  • The legislative drivers for energy efficiency
  • Demonstrating compliance with Part L2A (2010) Building Regulations 
  • The CO2 emissions calculation methodology
  • The notional and Reference Buildings
  • Demonstrating compliance with Part L2B (2010) Building Regulations

Course Content

Changes to the Approved Documents of Part L of the Building Regulations were published in April 2010, and came into force in October 2010. This course will give a comprehensive overview of Part L and introduce the changes.

Session 1 - Context of Building Regulations Part L:
  • Background and current status of Legislation
  • Energy White Paper; EU Energy Performance of Buildings Directive;
  • Review of Part L 2006
  • Overview of the principle changes
Session 2 - Part L2A - New Buildings:
  • Compliance methodology - achieving the aggregate 25% savings
  • Full compliance requirements and details
  • Building Services Compliance Guide
  • Energy Statements
  • Assessing renewable energy options
  • Compliance enforcement
Session 3 - National Calculation Method (NCM) & Simple Building Energy Model (SBEM):
  • Revision of the calculation tools
  • Asset and operational ratings
  • Interaction with OR Methodology
  • Worked examples
  • Requirement for accreditation
Session 4 - Part L2B - Existing Buildings:
  • General improvements
  • Energy Statements; Consequential improvements
  • Material alterations & changes of use
  • Historic buildings 
  • Compliance enforcement

Learning Outcomes

After the successful completion of this course you will be able to:

  • Demonstrate a basic understanding of the Building Regulations
  • List the 5 compliance requirements for new buildings
  • Identify the key supporting documents
  • Apply the CO2 emissions calculation methodology 
  • Recall the principal changes that took place in 2010
  • Explain the purpose of the Energy Performance Certificates and the link to Building Regulations

Course Timings 

Registration is open from 09.30 
Start Time: 10:00
Latest finish: 17:00

Course Fees 

  • Members Rate: £336 (£280 ex VAT)
  • Standard Rate: £372 (£310 ex VAT)

In-house training at your site

Training multiple staff at once provides the opportunity for your organisation to have a training package crafted to your specific needs. In-house training can help your organisation overcome challenges and fill the skills gaps in your workforce. Courses run on a minimum number of six staff*.

For an In-house quote please email the following information to

  1. Name of course
  2. Approximate number of staff
  3. Your site address  

*Minimum numbers for In-house courses outside of the UK may vary

To contact the CIBSE Training Team with a query please

Email: or call: +44 (0)20 8772 3660