1

BER means the Building carbon dioxide Emissions Rate measured in kilograms of carbon dioxide per square metre of floor area per year;

• DER means the Dwelling carbon dioxide Emissions Rate measured in kilograms of carbon dioxide per square metre of floor area per year;

2

FIXED BUILDING SERVICE means any part of, or any controls associated with—

a

fixed internal or external lighting systems, but does not include emergency escape lighting or specialist process lighting; or

b

fixed systems for heating, hot water service, air conditioning or mechanical ventilation;

3

TER means the Target carbon dioxide Emissions Rate measured in kilograms of carbon dioxide per square metre of floor area per year; and

• TOTAL USEFUL FLOOR AREA means the total area of all enclosed spaces measured to the inside face of the external walls, that is, the gross floor area, and in the case of sloping surfaces such as staircases, galleries, raked auditoria and tiered terraces shall be taken as their area on plan but shall exclude areas that are not enclosed such as open floors, covered ways and balconies.