Yn olaf, mae Ysgrifennydd y Cabinet dros yr Amgylchedd a Materion Gwledig, sy'n gyfrifol am Reoliadau Adeiladu yng Nghymru, wedi bod yn gohebu â'r Ysgrifennydd Gwladol dros Gymunedau a Llywodraeth Leol. Roedd Ysgrifennydd y Cabinet wedi gofyn i Lywodraeth Cymru gael ei chynnwys yn briodol mewn materion sy'n ymwneud â'r adolygiad annibynnol y mae Llywodraeth y DU wedi'i chychwyn ar reoliadau adeiladu. Gofynnodd hefyd am gael sicrwydd y bydd buddiannau cyffredin yn cael eu rhannu'n effeithiol. Mae'r Ysgrifennydd Gwladol wedi ymateb drwy gynnig i Ysgrifennydd y Cabinet a Grŵp Cynghori Cymru ar Ddiogelwch Tân gael trafodaeth gychwynnol â chadeirydd yr adolygiad annibynnol.
Finally, the Cabinet Secretary for the Environment and Rural Affairs, who has responsibility for Welsh Building Regulations, has been in correspondence with the Secretary of State for Communities and Local Government. The Cabinet Secretary asked for appropriate Welsh Government engagement in the UK government initiated independent review of building regulations and sought assurances about the effective linking of common interests. The Secretary of State has responded offering the Cabinet Secretary and the Welsh Fire Safety Advisory Group an introductory discussion with the chair of the independent review.