What happens with “Annex B” of an EPB standard, if the National Annex or National Datasheet is different?
Annex B is and remains an informative Annex to the EPB standard. The National Annex can be annexed to the national implementation of the EPB standard or published as separate document see FAQ “Are all …. publicly available?”). So, an EPB standard will have Annex B with default European choices and might also have an […]
Will the Annex A/Annex B approach provide feedback on the underlying hypotheses for the calculation methodology? What if the underlying EPB calculation methodology is not in line with the EPB standard(s)?
If at national level it is not possible to fill in the Annex A according to the rules it is a strong indication that the national procedure doesn’t follow the procedures included in the set of EPB standards. 2022-04-02
Is it correct that an EPB standard can be adopted in a country with some of its content replaced by national procedures?
If a country adopts an EPB standard, it can make use of the specific degrees of freedom given in Annex A of that standard (template for national choices). These choices are introduced to accommodate national/regional differences in climate, building tradition, policy and user behaviour. This is what is known as the National Annex or National […]
What happens with Annex A and Annex B if a National Annex or National Datasheet is published?
Annex A and B are part of the standard and will remain part of the standard. In addition to this, a National Standards Body or a Member state can decide to publish a National Annex or National Datasheet. These are separate documents, based on the template in Annex A, with content that may or may […]
Are there specific guidelines about how to fill in a National Annex to an EPB standard?
For filling in a National Annex or National Data Sheet following the template given in Annex A of each EPB standard, you find guidance in the general introduction of the Annex A itself. Note that, for the same EPB standard, different National Annexes or National Data Sheets may be prepared, each for a different purpose. […]
Is it possible to have different National Annexes or National Data Sheets for the same EPB standard, depending on the application?
Yes, see FAQ “Are there specific guidelines about how to fill in a National Annex to an EPB standard?“ 2022-04-02
Most EPB standards allow specific national or regional input data, provided the template given in Annex A of the standard is respected. Is it allowed to refer to tables or formulas instead of a single default value?
Yes. For instance a value depending on the application or depending on specific conditions or year of construction. As long as the result is a value for the required input data. Read more on flexibility / national choices 2019.07.22
Which organisations are developing National Annexes? Where does the funding, requirements or initiatives come from?
The responsible organizations for publishing National Annexes are the National Standards Bodies and/or the national or regional authorities. Preferably it should be the National Standards Body (NSB). See FAQ Are all National Annexes and National Datasheets publicly available? for an extensive explanation of the different options. The actual development of the National Annexes for the […]
What is the difference between a National Annex and a National Data Sheet?
Each country/region can make a specific set of choices, according to the template of Annex A of a given EPB standard, for the assessment of the energy performance. Or different sets, depending on the application. Once this template of Annex A is filled in with the national data and choices, it can be published. If […]
How many EU countries have prepared and published a National Annex or National Datasheet for national application?
Examples of currently published publicly available NA’s and ND’s can be found on the EPB Center website, Further to this, there are a few NA’s and ND’s that we are not allowed to share, because of copyright issues. You are invited to read FAQ Are all National Annexes and National Datasheets publicly available? for more […]