There is absolutely no public record for a specific "HDB accrued desire ninety 27." This is likely an internal reference number or handle. Accrued fascination can be a significant part of HDB flat ownership, especially for entrepreneurs who applied their CPF Common Account (OA) to finance their home. Whenever you sell your HDB flat, you must refund the principal degree of CPF employed for the downpayment, grants, and regular monthly installments, along with the accrued desire, back again into your CPF account. This curiosity is the quantity your CPF discounts would have gained if they'd remained within your OA, calculated at the prevailing CPF OA fascination charge (currently two.5% for every annum) and compounded annually. The refund is mandatory, and It is really deducted through the revenue proceeds. You can Test the exact degree of here CPF utilised and accrued interest over the CPF Internet site's "House Possession" dashboard by logging in along with your Singpass.