The assessor will do a quick head-and-shoulders inspection of your loft, if it is accessible.
The depth of the insulation will be measured, photographed and the type of party wall between you and any neighbouring property will be checked.
The type of walls your property has is very important.
The assessor will measure the thickness of the walls, photograph and check for any insulation that is present.
The assessor will also look to see whether you have a thermostat, a programmer, thermostatic valves, and any other heating controls that may be present and will note and photograph these.
The type of window you have – for example, single, double or triple glazing – and the age of the windows will be checked.
With double glazing, the width of the gap between the window panes will also be measured.
The number of lights in the property and the number of energy efficient lights are checked.
The assessor will add up the number of rooms in the property classified as ‘habitable’, excluding rooms like utility rooms and small kitchens.
The assessor will then create a simple floor plan of the property to work out the area of the property and the amount of heat loss and partition walls.
As the surveyor goes around the property, they will need to take multiple photos to gather evidence to support why they are entering certain values into the software.
If there are things you have installed, like wall insulation, room-in-roof insulation, or floor insulation for example, that are not easily able to be measured on the day, the surveyor will need to see documentation showing exactly what has been installed.
Producing your EPCFollowing this visit, your EPC is created using all the measurements and evidence gathered on site.