A house is the biggest loan most Zambians will ever take. Mortgages here come from commercial banks and building societies — ZNBS offers construction, outright purchase, home improvement, equity release and balance-transfer mortgages, and banks like Stanbic list home loans with long terms.
Mortgage amounts are assessed on your income and the property value, so published minimums matter less than the requirements: expect an employer letter, 6 months of bank statements, and valuation/site-visit fees. Listed housing finance is below.
Commercial banks (Stanbic, Zanaco and others) and the Zambia National Building Society (ZNBS). All are licensed by the Bank of Zambia.
Typically: employer introduction letter stating permanent or contract status, latest 6 months bank statements, NRC, and property documents or building plans for construction loans.
Yes — balance transfer (refinancing) exists precisely for this. ZNBS explicitly offers taking over mortgages from other institutions.
Construction loans disburse in stages against site inspections (ZNBS charges per visit); outright purchase pays the seller at once. Match the product to your situation.