GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
Definition: Yng nghyd-destun Deddf Diogelwch Adeiladau 2022, cam yn y broses o godi adeilad lle na all y prosiect fynd rhagddo cyn derbyn caniatâd gan awdurdod perthnasol i fwrw ati oherwydd y cyflawnwyd rhai amodau penodol.