Real Estate Services. Housing Authority can assist in selling properties at a fee of $250.00 plus 1% of sales. The customers do not have to pay anything upfront. We can also offer loans to the buyer to buy the property. If we find a buyer and he/she wishes to obtain loan from Housing Authority to purchase this property, then all terms and conditions of purchasing a property applies. Terms and Conditions. The vendors intending to sell their property have to sign up a sales contract. Requirements. Consent letter from vendor that he/she is allowing Housing Authority to sell his/her property. Recent Property valuation Certified true copy of title. Approved house plan & Completion Certificate. Engineers certificate.