If we do not issue a written notice of our decision within these time periods, then you should treat this as having approved the carrying out of the restoration work as detailed in the application.
Os na fyddwn yn rhoi hysbysiad ysgrifenedig o'n penderfyniad o fewn y cyfnodau amser hyn, dylech drin hyn fel pe baem wedi cymeradwyo gwneud y gwaith adfer fel y nodir yn y cais.