What is HDB downpayment? HDB downpayment refers to the Original payment made by a buyer when paying for a Housing Progress Board (HDB) flat in Singapore. Exactly how much could be the HDB downpayment? The HDB downpayment volume is dependent upon if the purchaser is using a housing bank loan https://hdb-downpayment28383.full-design.com/hdb-downpayment-72866287