It is also impossible to share the assessment with others such as contractors or building occupants, and difficult to take coherent and effective action to address fire safety defects.
Mae hefyd yn amhosibl rhannu’r asesiad gydag eraill fel contractwyr neu feddianwyr adeiladau, ac mae’n anodd cymryd camau cydlynol ac effeithiol i fynd i’r afael â diffygion diogelwch tân.