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EPCs for Commercial Buildings
3.5 Producing Energy Performance Certificates
The process for producing an EPC for a non-dwelling is as follows:
Once an energy assessor has been commissioned to produce an EPC, there are three main steps to performing the assessment, which are:
- Gathering the relevant information about the building
- Analysing the information and identifying different zones of the building
- Entering the information into an approved software programme. The appropriate methods for commercial buildings are SBEM – Simplified Building Energy Model or DSM – Dynamic Simulation Model (even if the building was originally used for residential accommodation).
During the assessment the energy assessor will collect information about the building. This will include plans, dimensions of the building, its uses, the number of floors, amount and type of glazing (ie single or double glazing), heating systems and fuel used.
This information will be fed into an approved software programme using a Government approved energy assessment method. The software produces the certificate and the recommendation report for the building.
The energy assessor will then record the certificate onto the national register via his or her accreditation body and provide the seller or prospective landlord with a copy.
The EPC is now ready to be given to new building owners or made available to prospective buyers or tenants.
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