It is recommended that you contact Building Control to discuss your proposal and for further advice and you must also find out whether work you intend to carry out falls within The Party Wall etc.
Argymhellir y dylech gysylltu â'r Corff Rheoli Adeiladu i drafod eich cynnig a chael rhagor o gyngor, a bydd yn rhaid hefyd ichi ddarganfod a yw Deddf Muriau Cyd etc.