Home improvement loan: when are renovation loans the better choice over a mortgage?
Real offers from several German banks for renovation or modernisation work — no land registry entry required, usually faster than a mortgage. Unlike home loans secured by a mortgage, a renovation loan needs no land registry entry, but its interest rate usually sits a little above a mortgage secured by a land charge.
What is a renovation loan, and how does it differ from a mortgage?
A renovation loan is an unsecured instalment loan for renovation or modernisation work. Unlike a mortgage, it needs no land registry entry and is usually approved faster. It suits projects that need to move quickly, from a new heating system to an energy-efficiency refurbishment. The interest rate tends to sit a little above a mortgage secured by a land charge.
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Source: ADAC guide on energy-efficient renovation (windows, façade, heating); typical tradesperson pricing (bathroom refurbishment), as of 08/2026. Rough guidance only, not a binding quote — depends on the building's condition, execution and region.
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What a renovation loan actually covers
The terms get used loosely, but they mean different things: a straightforward renovation is cosmetic work (new flooring, a fresh coat of paint).
A repair fixes a defect or damage (damp, faulty pipework). A modernisation raises the value or comfort of the property beyond its original condition (new heating, insulation, a step-free bathroom). In practice a renovation loan covers all three — common uses are new windows or heating, façade insulation, bathroom refurbishment or installing solar panels.
How do payout and interest rate compare with a mortgage?
A renovation loan needs no land registry entry and payout is usually faster, but the interest rate tends to sit a little above a mortgage secured by a land charge.
The difference from a mortgage: a renovation loan needs no land registry entry, payout is usually faster, but the interest rate tends to sit a little above a mortgage secured by a land charge. For larger modernisation projects with a land charge and KfW subsidy, our German-language modernisation financing page covers that route; the individual-measures check for KfW 261/308 subsidies is also available in English.
Renovation loan or mortgage with a land charge — which fits? Land registry entry — Renovation loan (this page): Not required; Mortgage with land charge: Yes, a land charge is registered.
Typical amount — Renovation loan (this page): Up to roughly €50,000; Mortgage with land charge: Larger amounts too. Interest rate — Renovation loan (this page): Somewhat higher; Mortgage with land charge: Usually lower.
Payout — Renovation loan (this page): Usually faster; Mortgage with land charge: Slower, due to the land registry. KfW subsidy — Renovation loan (this page): Not applicable; Mortgage with land charge: Individual-measures check available.
Roughly what modernisation work costs
Rough cost ranges are from roughly €500 per window, roughly €160–350 per m² for façade insulation, roughly €15,000–30,000 for a heat pump and roughly €8,000–25,000 for a bathroom refurbishment.
Rough cost ranges — depend on the building's condition, size and region: New windows — Cost range: from roughly €500 per window. Façade insulation — Cost range: roughly €160–350 per m². Heating replacement (heat pump) — Cost range: roughly €15,000–30,000. Bathroom refurbishment — Cost range: roughly €8,000–25,000.
Frequently asked questions
What is a renovation loan?
A renovation loan (also called a modernisation loan) is an unsecured instalment loan for conversion, repair or renovation work on a property. Unlike a mortgage, it needs no land registry entry, but the interest rate usually sits a little above a mortgage secured by a land charge.
How is the monthly payment calculated?
A renovation loan usually runs as an annuity: the payment stays constant for the whole term, while the split between interest and repayment shifts towards repayment with every instalment. By the end of the term the loan is fully repaid — unlike a fixed-rate mortgage period, which can end with remaining debt.
How long can the term be?
Terms of 12 to 120 months are common. A shorter term lowers the total interest cost but raises the monthly payment. A longer term lowers the payment but raises the total interest cost over time.
What documents does the bank need?
Typically proof of income for the last few months, a valid ID, and details of any existing liabilities. The exact requirements depend on the provider and the loan amount.
Can I repay a renovation loan early?
Most renovation loans allow early repayment with no or only a small early-repayment penalty. This is set out in the individual loan agreement and should be checked before signing.
What determines the interest rate?
Mainly your creditworthiness (Schufa score, income, existing liabilities), the loan amount and the term. Comparing several providers shows the real range — offers can differ substantially.
Any questions on this topic?
A first consultation is free and without obligation — the commission is, as a rule, paid by the bank. We tell you what this means for your own financing.
Related pages
KfW subsidy check
For bigger modernisation projects with a land charge and KfW support.
modernisation financing page
Energetisch modernisieren: was Maßnahmen kosten, welcher Kredit passt und welche Förderung sich mit der Finanzierung kombinieren lässt.
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Editorially responsible: Olga Nikushkina — owner, §34i GewO (German mortgage brokerage), adviser register D-W-132-ZUCB-95. Specialised in German property financing with an international dimension: non-residents, foreign-currency income, cross-border workers, expats. Siegfried Perini is entered in the German intermediary register under this licence as a person directly involved in brokerage and advice (§ 11a GewO), active in real estate since 1992. Not legal or tax advice.