To improve your credit score before buying a property, regularly check your credit report for errors, consistently pay your bills on time, reduce credit card balances to maintain a credit utilization ratio below 30%, avoid taking on new debt, request credit limit increases, keep old accounts open, diversify your credit mix, consider becoming an authorized user on a responsible person's credit card, settle any collections, limit hard inquiries, explore credit-builder loans if you have a limited credit history, and monitor your credit regularly to track your progress.