What is an EPC?

EPC

What is an Energy Performance Certificate (EPC)?

An Energy performance certificate is a document produced when either a home inspector or domestic energy assessor visits a property to compile a report whereby data is later uploaded into a specifically designed piece of software in order to generate your EPC rating and carbon emissions, this document will always be accompanied by a recommendation report that lists cost effective and other measures (such as low and zero carbon generating systems) to improve the energy rating of the building.

The certificate is also accompanied by information about the rating that could be achieved if all the recommendations were implemented.

Data Required by the Home Inspector(HI) or Domestic Energy Assessor(DEA)

Property Address

Property type (House, Bungalow, Flat, Maisonette etc)

  • Built form (Detached, Terrace, Semi-detached etc)
  • Main property age (Pre 1900, 1900-1929, 1930-1949 etc)
  • Room in the roof if there is one.
  • Any extensions present and age.
  • Habitable room count.
  • Heated habitable room count if all are not heated.
  • Main wall construction and insulation type, if any.
  • Extensions wall construction and insulation, if any.
  • Any alternative wall greater than 10% exposed (Type, insulation and size)
  • Number of open fire places.
  • Proportion of fixed lighting outlets that our low energy.
  • Is mains gas available?
  • Is the whole house mechanically vented?
  • Is there a non-separated conservatory present (Floor area, double glazed, glazed perimeter)
  • Main roof and extension roof construction i.e. Pitched or flat.
  • Insulation in roof spaces.
  • Solar water heating, if any.
  • Photovoltaic panels, if any.
  • Proportion of double glazed windows.
  • Double glazing type i.e. Pre 2002, 2002 onwards.
  • Any secondary glazing present.
  • Floor dimensions including ceiling heights and heat loss perimeters.
  • Electric meter (single or dual rate).
  • Main heating type.
  • Boiler details (combination, condensing etc) including flue type and age.
  • Cylinder insulation thickness, size and thermostat present.
  • Type of heat emitters.
  • TRVs.
  • Main heating controls.
  • Immersion heaters {single or dual}
  • How your hot water is heated.
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