Applicable Building Type(s)

New residential

Policy Requirement Level


Policy Sequence


Development Authority: Department of Environment, Heritage and Local Government with the Building Regulations Advisory Body (BARB)

Implementation Authority: Local building control authority

Verification Authority: Local building control authority

Enforcement Authority: Local building control authority

Prescriptive Compliance path

Internal floor area, excludes unheated ancilliary areas, but includes conservatory-style sunspace as habitable area

Energy Requirements:


U-Values (W/m2.K)RoofWallsFloorDoorWindows
All climate zones 0.3 0.6 0.6 3 3


U-Values (W/m2.K)DoorWindows
All climate zones 3 3

Air Leakage

7 m3/(h.m2) at 50 Pa

Space Heating System

(W/L/s)Specific fan power
All climate zones 0.8

Water Heating System

All oil and gas fired boilers shall meet a minimum of 90% efficiency. CHP equivalent to 10 kWh/m2/annum thermal energy can be installed in place of RE requirement

Renewable Energy

10 kWh/m2/annum for thermal energy, or 4 kWh/m2/annum of electrical energy or a combination giving the same effect

Compliance Softwares:

End-uses considered:

Space cooling, Space heating, Water heating, Ventilation

Performance Compliance path

Maximum elemental Uvalues are set, or permitted variations in combined area and average Uvalues

Energy Requirements:



Climate zones