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Home > Ireland > Professionals & Trade > Architects > Energy Efficency- Building regulations

Energy Efficiency- Building regulations

Please see below the the maximum U-Values permissable by building regulations as they relate to different types of project.

 

Dwellings

New
Area weighted average- 2.0 W/m2K

Upper limit for single element- 3.0 W/m2K


VELUX Product solutions
Existing
No greater than- 2.0 W/m2K





VELUX Product solutions

Buildings other than dwellings

New
Area weighted average- 2.2 W/m2K




VELUX Product Solutions
Existing
No greater than- 2.0 W/m2K




VELUX Product Solutions