2. This is defined in the text box below. Further information on defining the reference building and deriving ratings can be found in the National Calculation Methodology modelling guide.
3. This is the Asset Rating calculated and displayed on the EPC in England & Wales.
4. A building with calculated emissions equal to those of the reference building will have a comparative rating of 50, placing it on the threshold between bands B and C.
5. See box on 'The comparative rating'.
6. An analysis of consultation responses is available at:
7. Exceptions are stand alone buildings with floor area below 50m2, temporary buildings with planned use of under two years, buildings with low energy demand and buildings sold for demolition.
8. Further information on EPCs and the EU Directive can be found at http://www.gov.scot/epc. Individual EPCs can be sought by building address, postcode or unique report reference number at https://www.scottishepcregister.org.uk.
9. Non-domestic EPCs are generated using the Simplified Building Energy Model (SBEM). Information concerning the model can be found at
10. The public assembly category includes community centres, day centres, places of worship, leisure and entertainment venues, libraries, museums and galleries. Public houses usually fall into the restaurant, café and takeaway category. Emergency service buildings constitute nearly half of the other category.
Email: Mark Nightingale