Mae'r gyfres o brofion system gyfan a gynhaliwyd gan y Sefydliad Ymchwil Adeiladu (BRE) wedi dod i ben erbyn hyn. Cafodd canlyniadau'r pumed, y chweched a'r seithfed prawf eu hadrodd ar 14, 25 a 21 Awst, yn y drefn honno.
The series of whole-system tests undertaken by the Building Research Establishment (BRE) has now been concluded, with the 5th, 6th and 7th test results reported on 14th, 25th and 21st August, respectively.