
Financing energy-efficient renovations: How to secure a modernization loan without a land registry entry
12 Jul 2025
5
Minutes

Katrin Straub
CEO at nextsure
Rising energy costs and new legal requirements are putting many property owners under pressure. A modernization loan for energy-efficient refurbishment without a land registry entry offers a fast and straightforward financing solution. Find out how you can obtain up to €80,000 for your project and save on notary fees of up to two percent of the loan amount.
The topic in brief and concise terms
A modernization loan without land register entry is a quick and straightforward alternative to classical construction financing for amounts up to 80,000 euros.
By avoiding a notary and land registry office, you can save up to two percent of the loan amount in additional costs.
Combine the loan with KfW or BAFA grants to reduce your financial burden by up to 70 percent.
Key insights at a glance
For quick guidance, we have summarized the key points for you:
No notary fees: A modernization loan without registration in the land register saves you up to two percent of the loan amount in notary and registration fees.
Fast availability: Processing is often possible within a few days, as the bureaucratic effort is eliminated.
Flexible amounts: Banks typically offer such loans for amounts between 5,000 and 80,000 euros.
Cheaper than installment loans: The interest rates are usually one to two percentage points lower than those for loans for general use.
Combination with funding possible: You can use the loan to finance the personal contribution after deducting BAFA or KfW grants.
The Imperative to Act: Why an Energy Renovation is Now Essential
The Building Energy Act (GEG) obliges owners to meet certain energy standards when renovating or purchasing older properties. For example, a new heating system can cost around 15,000 euros, and replacing windows can quickly cost 20,000 euros. While facade insulation can reduce energy costs by up to 40 percent, it often requires an investment of over 25,000 euros. Many owners underestimate that simply replacing an old heating system can be legally required. These costs represent a significant financial burden for most households, which is difficult to manage without appropriate financing. A well-thought-out financing plan is therefore the first step to a successful renovation. Get information early on about financing for facade insulation.
This situation compels action and brings flexible financing models into focus.
The solution: How the modernization loan works without a land registry entry
A modernisation loan without land registry entry is a dedicated instalment loan for value-enhancing measures on a property. Unlike traditional construction financing, the property itself does not serve as security; instead, it's your creditworthiness. This eliminates the expensive and time-consuming process of land charge registration with a notary, saving you up to 1,000 euros in fees for a sum of 50,000 euros. Banks offer these loans up to an amount of 80,000 euros and with terms of up to 15 years. The key advantage lies in the quick and straightforward processing. Typical uses include:
Installation of a heat pump or pellet heating
Insulation of the roof or exterior walls
Replacement of old windows and doors
Installation of a photovoltaic system
Accessible conversion of the bathroom
This flexibility makes it ideal for planned renovations, but it's not the best choice for every purpose. For smaller purchases, a loan with no specified purpose might be more sensible.
But what requirements must you meet for a successful application?
Your path to a loan: requirements and the proper application process
For the approval of a modernisation loan, banks primarily assess two criteria: You must be the owner of the property and demonstrate sufficient creditworthiness. A stable income and a positive Schufa record are crucial here and can improve the interest rate by more than one percentage point. Additionally, most institutions require proof of planned use, such as cost estimates from craftsmen. Keep all invoices carefully, as these often need to be submitted later. The process itself is straightforward and usually involves four steps: obtaining quotes, comparing loan terms, completing the digital application process, and receiving the payout after approval. Good preparation can shorten the entire process to less than a week. Keep an eye on the current development of building interest rates.
With the right documents in hand, it’s time to compare the specific costs and interest rates.
Costs and interest in comparison: When forgoing the land charge pays off
The interest rates for a modernisation loan without a land register entry currently range between 3.5 and 6.5 percent. They are therefore more expensive than a first-ranking secured construction financing (approx. 3.5 percent), but significantly cheaper than an instalment loan for free use (often over 6.0 percent). For a loan amount of 40,000 euros and a term of ten years, an interest rate of 4.5 percent instead of 6.5 percent means a saving of over 4,500 euros in interest costs. Not opting for the land register entry is particularly worthwhile for amounts up to around 80,000 euros. Although the interest rate here is about one percentage point higher than with a classic construction financing, you save on the notary and land register costs of up to 1,600 euros. This saving fully compensates for the interest surcharge in the case of shorter terms. For comprehensive planning, you should calculate a favourable construction financing online.
To further reduce costs, you should include government subsidies in your planning.
Expert Knowledge: How to Combine Your Loan with Government Grants
The Federal Funding for Efficient Buildings (BEG) offers attractive grants that significantly reduce your financial burden. The Federal Office for Economic Affairs and Export Control (BAFA) provides grants of up to 20 percent of eligible costs for individual measures such as window replacement. For heating replacement, grants of up to 70 percent are possible through the Kreditanstalt für Wiederaufbau (KfW), but no more than 21,000 euros. The remaining amount can ideally be financed with a modernization loan. Our expert tip: Always apply for funding before commissioning tradespeople. Subsequent approval is excluded in most programs. KfW also offers the supplementary loan 358/359, specifically designed to finance residual costs after grant awarding. This is also a great way to complement a solar loan for a photovoltaic system.
With the right combination of loans and funding, typical mistakes can be avoided.
Avoiding Common Pitfalls: What You Should Consider When Financing
A common mistake is underestimating the renovation costs. Always plan a buffer of at least ten to 15 percent for unforeseen expenses. Another pitfall is choosing the wrong loan product. A purpose-specific modernisation loan is almost always a better choice than a flexible but more expensive instalment loan. Also, pay attention to the contract details: free special repayments are an important advantage. Many banks allow annual special repayments of up to ten percent of the loan amount. Check carefully whether the loan is tied to the conclusion of other products, such as payment protection insurance. This can significantly increase the total costs. Forward planning, as with a building savings contract for future renovations, protects against expensive surprises.
Request an individual risk analysis now: Have your insurance situation checked for free and receive specific optimisation suggestions.
More useful links
The KfW provides comprehensive information on energy-efficient refurbishment of existing properties for private individuals.
An overview of the funding products for energy-efficient refurbishment of existing properties can be found at KfW.
Detailed information on the KfW loan 261/262 for the federal funding for efficient buildings (residential buildings) is provided by KfW.
The Federal Ministry for Economic Affairs answers frequently asked questions about the tax incentives for building refurbishment.
The Federal Ministry of Finance provides information on the tax incentives for energy-efficient building refurbishments.
On energiewechsel.de, a portal of the Federal Ministry for Economic Affairs and Climate Action, you can find information on the tax incentives for energy-efficient building refurbishment.
Use the refurbishment calculator from KfW for private individuals with existing properties to plan your refurbishment.
FAQ
What documents do I need for the application?
In general, you will need the last three pay slips, your bank statements, a copy of your ID card, and a recent land register extract as proof of ownership. You should also submit quotes for the planned measures.
What happens if I can no longer manage the loan payments?
As there is no mortgage registered, the bank cannot forcibly auction the property. However, it will attempt to recover outstanding claims through dunning procedures and, if necessary, wage garnishment, just like with any other installment loan.
Can I also apply for the loan as a tenant?
No, a modernisation loan is tied to the ownership of a property. Renters can turn to classic personal loans for unrestricted use.
Are extra repayments worthwhile for a refurbishment loan?
Yes, if the contract allows free special repayments, you should take advantage of them. Each additional repayment reduces the remaining debt, shortens the loan term, and lowers the total interest costs. Many banks allow this up to a certain amount per year.
Are the interest rates fixed for the entire term?
Yes, with a modernization loan in the form of an installment loan, a fixed interest rate is usually agreed upon for the entire term. This provides you with maximum planning security, as the monthly installment remains constant.
Can I deduct tradesmen services from tax even if I use a loan?
Yes, you can claim up to 20 percent of the pure labour costs from craftsmen's invoices (maximum 1,200 euros per year) for tax purposes. The form of financing does not matter. There are even higher tax deduction possibilities for energy-efficient renovations.





