Internal Condition

The DEA (Domestic Energy Assessor) will then take measurements either internally or externally of the property. This is important to determine the exact area of the property and also which of the walls are "heat losing walls". For example, in a terraced property, the only heat losing walls if it is a mid-terrace are the front and back. In a detached property, all walls will be heat losing as the property is not attached on any side.

Heat room is measured for height, width and length and these items are processed through the SAP computer programme.

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