There is absolutely no public record for a selected "HDB accrued desire ninety 27." This is likely an interior reference selection or tackle. Accrued curiosity is actually a crucial ingredient of HDB flat possession, especially for owners who made use of their CPF Standard Account (OA) to finance their house. Once you sell your HDB flat, you must refund the principal degree of CPF employed for the downpayment, grants, and regular monthly installments, check here along with the accrued desire, back again into your CPF account. This interest is the quantity your CPF personal savings would have gained if they'd remained in your OA, calculated for the prevailing CPF OA curiosity rate (now 2.five% for each annum) and compounded yearly. The refund is required, and It truly is deducted in the gross sales proceeds. It is possible to Verify the precise level of CPF used and accrued fascination around the CPF Web-site's "Property Ownership" dashboard by logging in with the Singpass.