B25 Have you experienced difficulty securing building insurance cover as a result of identified building safety issues on your building?
Dim ond o dan amgylchiadau eithriadol iawn y byddai'n rhaid i chi wneud addasiadau ffisegol i'ch cartref, oherwydd mae tai wedi cael eu hadeiladu'n unol â safonau diogelwch tân cadarn ers amser maith.