payment by a tenant of a landlord’s costs under the statutory provisions governing the enfranchisement or extension of leases of flats and long leases of houses, or an obligation to pay such costs
tenant yn talu costau landlord o dan y darpariaethau statudol sy’n rheoli rhyddfreinio neu ymestyn lesoedd fflatiau a lesoedd hir tai, neu rwymedigaeth i dalu costau o'r fath