For a renovation, a mortgage increase or building fund may be an option. An adviser assesses your income, home value, energy label and current mortgage.
Ask about total costs, interest, term and the effect on monthly payments before signing.
If your home is worth more than your outstanding mortgage, you may be able to request an additional mortgage part or loan and use it for insulation, glazing, a heat pump or other improvements. The lender decides based on the home value, your income and existing commitments.
Ask for a calculation of the new monthly payment first. Also ask about valuation, advice and notary costs, and keep invoices for the work.