Home improvement loan in instalments: when German renovation loans beat 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.
Non-binding guide using an annuity rate and a fixed interest rate. The actual offer depends on creditworthiness, amount and term; the effective rate in the offer is what counts.
The comparison calculator is operated by our cooperation partner PROCHECK24 and opens in a new tab; your entries there go to PROCHECK24, not to Perini Finance & Property. If a placement succeeds we receive a commission — this does not change your terms.
Opens in a new tab. The comparison calculator is operated by our cooperation partner PROCHECK24; your entries go directly to PROCHECK24, not to Perini Finance & Property. If a placement succeeds, we receive a commission — this does not change the terms offered to you. Details on data protection at PROCHECK24 are available on their website.
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.
How does the comparison calculator work with real terms?
You can obtain a comparable offer from several providers via the comparison calculator of our partner PROCHECK24. You enter your details directly there and see the evaluation immediately.
- 650+ banks compared
- §34i verified licence
- 2016 experience since
- 89 published case reports
Registration of the land charge: does a modernisation loan need notary and land registry effort?
The notary and land registry effort does not apply at all, because no land charge has to be entered in the land register for a modernisation loan.
This makes it particularly attractive for small and medium modernisation amounts. In addition, it is usually approved considerably faster than a property financing.
Modernisation loan calculator: how do you find out the monthly instalment?
The actual rate is based on the quotes you obtain via the comparison tool provided by our partner, PROCHECK24.
You enter your details directly on the site; the results are generated immediately and include genuine, comparable quotes from several providers. Your details are sent to PROCHECK24, not to Perini Finance & Property. If a successful match is made, we receive a commission; this does not affect your terms and conditions.
Renovation, refurbishment or modernisation: what does a renovation loan actually cover?
The three terms are often used interchangeably in everyday language, but they mean different things: a renovation is minor repair work (new flooring, a coat of paint). A refurbishment remedies damage or a defect (damp, faulty pipes). A modernisation increases the value or living comfort of the property beyond its original condition (new heating, thermal insulation, barrier-free bathroom). In practice, a modernisation loan covers all three cases — typical are replacing windows and heating, façade insulation, bathroom refurbishment or installing a solar system.
What modernisation measures roughly cost: Rough cost ranges — depending on the condition of the building, size and region: Window replacement — Cost range: from approx. €500 per window. Façade insulation — Cost range: approx. €160–350 per m². Heating replacement (heat pump) — Cost range: approx. €15,000–30,000. Bathroom refurbishment — Cost range: approx. €8,000–25,000.
ADAC guide to energy-efficient refurbishment (windows, façade, heating); standard market calculations by tradespeople (bathroom refurbishment), as at August 2026. Rough orientation, no cost commitment — depending on the condition of the building, execution and region.
Keep calculating: Look up terms relating to the loan in the wiki:
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.
Registration in the land register: When is it advisable for major modernisation projects?
For larger sums, or if the property is already being financed, it is often worth comparing this option with refinancing or increasing the existing mortgage.
Loans secured in the land register have interest rates that are generally significantly lower than those for an unsecured instalment loan. For larger projects involving a charge on the property and KfW funding, please see our page on financing modernisation.
Roughly what does modernisation work cost?
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
Renovation loan (Renovierungskredit) calculator: Is there a difference between this and a modernisation loan?
No, a renovation loan is another name for a modernisation loan. In everyday language, the terms ‘renovation’, ‘refurbishment’ and ‘modernisation’ often mean similar things; in practice, a modernisation loan covers all three scenarios. It is an instalment loan without a land register entry, and the interest rate is usually slightly higher than that of a mortgage-backed loan.
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.
Renovation loan calculator and instalment loan comparison: how do I find the best offer?
First work out rate and interest cost for your amount and term in the calculator. Then open the comparison calculator of our partner PROCHECK24 on this page and compare the offers by effective rate and instalment.
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
Modernisation financing (German page)
Energy-efficient modernisation: what the measures cost, which loan fits, and which funding can be combined with the financing.
Nominal vs. effective interest rate
Why the effective interest rate is the benchmark, rather than the nominal interest rate.
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.
