Some kinds of work carried out to a property may not be controlled by the Building Regulations, but may be work which is covered by the Party Wall Act 1996.
Mae’n bosibl nad yw rhai mathau o waith a wneir i eiddo yn cael eu rheoli gan y Rheoliadau Adeiladu, ond eu bod yn hytrach yn cael eu cwmpasu gan Ddeddf Waliau Cydrannol 1996.