Often leaseholders are not fully aware of their responsibilities to contribute to costs for major works to their block of flats until they are faced with repair bills.
Yn aml iawn nid yw lesddeiliaid yn gwbl ymwybodol o'u cyfrifoldeb i gyfrannu at gost gwaith mawr ar eu bloc fflatiau nes iddynt gael biliau am waith atgyweirio.