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DEC Theory and OrCalc Software Training

6.0 CPD Hours

Standard Rate
£560.00  +VAT
Member Rate
£450.00  +VAT
  • Energy Assessor Training

Upcoming dates

Book Now

If you wish to produce Display Energy Certificates (DECs) you must:

- have gained certification as a Low Carbon Energy Assessor (LCEA) with CIBSE Certification.

- be able to demonstrate that you are competent in the use of an approved software tool to produce the DEC and Advisory Report. 

Being an LCC is a pre-requisite for being an LCEA with CIBSE Certification. If you are not yet a Low Carbon Consultant Building Operation, find out more about routes to becoming an LCEA to produce DECs before sitting this course.

This course will provide the background knowledge related to Display Energy Certification and the role of the Energy Assessor, as well as an overview of the ORCalc Software used to produce the Display Energy Certificate itself and the associated Advisory Report.

Learning outcomes:

  • Building certification
  • Application of the legislation
  • Calculating the Operational Rating
  • Data Required
  • The Assessment Period
  • OSR & LZC Recognition
  • Benchmarks & Developing Composite Benchmarks
  • Handling Shared Occupancy Buildings
  • Campus Buildings
  • Developing Advisory Reports
  • Government software ORCalc - Use and Data Entry

PLEASE NOTE: you must have downloaded and installed OrCalc Software in advance of this course. You can do this here (

 If you are hoping to certify as a DEC assessor we recommend that you complete the pre-APEL form, before you complete the LCC Building Operations assessment.

What is included?

-Full day training with an industry expert trainer

-CPD certificate

-PDF course materials & OrCalc Software download

The course presentation and any additional materials will be sent to delegates once attendance is confirmed on the day of the course.

We are working towards being more sustainable, therefore we do not recommend materials to be printed.


Agenda for event
Time Description
This course will run from 10am to 4pm.

There are adequate breaks spaced throughout the day and specific timings will be at the discretion of the trainer. 

Delegates wishing to go on to become LCEAs (Low Carbon Energy Assessors) and be able to produce Display Energy Certificates must be existing CIBSE LCCs (Low Carbon Consultants) before attending this course.

For delegates who are attending only to expand knowledge and complete CPD requirements (and not become LCEAs), a knowledge of assessing energy consumption in buildings would be required.


Remote - How to join:

Remote sessions of this course will be hosted live online on Microsoft Teams. A Microsoft Teams account is not required, you will be sent a link to join.

You can choose to join on your preferred web browser, or if you already have the Microsoft Teams desktop app, click 'join meeting'. You will then automatically join the course through the app.


For any face-to-face sessions, the course location will be underneath the respective date. Parking is not available. Lunch and refreshments will be provided on the day. If you have any special dietary requirements, please contact us before your course date.


Delegates will be expected to complete two sample Display Certificates & Advisory Reports from case studies provided. These would be completed after the course and submitted for assessment.

Two simple ways to book:

Card - Use the 'Book Now' button at the top of this web page.

Invoice - Please fill in the booking form herePlease note you are only booked onto the course once Training has processed the form.

* If you are having any difficulties please either email us at [email protected] 


Adrian Sweetman

Adrian Sweetman

Acreshort Consulting|Principal Energy Consultant

Adrian Sweetman has an engineering background and has applied that knowledge to the energy management field thus bringing a practical perspective to the courses he delivers.

Having been training for CIBSE since 2008, Adrian has a good level of knowledge in the field of energy efficiency, legislation and compliance gained through working with a divers set of commercial and industrial clients as a consultant.

Adrian is also a CIBSE Certification Non Domestic Energy Assessor and ESOS Lead Assessor.

CIBSE Training reserve the right to make changes to the speakers or programme. The right is also reserved in absolute discretion and without further liability to cancel any seminar when fees paid will be refunded. Acknowledged bookings are firm. Cancellation up to 4 weeks before the course is subject to a charge of 25% of fees due, later cancellation is not accepted but delegate substitution is allowed at any time. We reserve the right to request payment in advance for companies which have not had previous financial transactions with CIBSE Services Ltd. 

All delegate alterations/cancellations must be received in writing to: [email protected]  

Please note we do not accept card payments via American express

Please contact the training team before making any travel or accommodation arrangements - particularly if you are travelling from outside the UK mainland, as CIBSE will not be liable for any cost incurred. 

You must have downloaded and installed OrCalc Software in advance of this course.


You can do this in the following ways:

Downloading it from here (

Request a copy of the software directly from CIBSE Certification [email protected] or the CIBSE Training team [email protected]

You will also be provided with a CIP data file to use alongside the software. 

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