RHAN 2Diwygio Rheoliadau Adeiladu 2010

Adeiladau newydd: y gofynion sylfaenol ar gyfer perfformiad ynni5

Ar ôl rheoliad 25B mewnosoder—

New buildings: minimum energy performance requirements25C

Minimum energy performance requirements may be approved by the Welsh Ministers, in accordance with the methodology approved pursuant to regulation 24, for—

a

new buildings (other than new dwellings), in the form of target primary energy consumption rates; and

b

new dwellings, in the form of target fabric performance values.