Selling a house: Maximising your security at every step

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A family stands in front of their house as they consider selling it.

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(ex: Photo by

A family stands in front of their house as they consider selling it.

on

(ex: Photo by

A family stands in front of their house as they consider selling it.

on

Selling a house: Maximising your security at every step

Selling a house: Maximising your security at every step

Selling a house: Maximising your security at every step

3 Jun 2025

12

Minutes

Simon Wilhelm

Expert for sales services at Auctoa

3 Jun 2025

12

Minutes

Simon Wilhelm

Expert for sales services at Auctoa

Do you want to sell your house while enjoying maximum security? Many homeowners fear hidden risks and financial disadvantages. This article shows you how to avoid common pitfalls and make your property sale successful and secure.

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The topic briefly and concisely

Comprehensive documentation and realistic pricing are crucial for a secure house sale and can reduce the selling time by up to 15%.

The involvement of a notary is legally required and significantly minimizes legal risks; the notary fees amount to approximately 1-1.5% of the purchase price.

Only hand over the keys once the full purchase price has been received, and document the handover in detail to prevent any future disputes.

Selling a property is often one of the largest financial transactions in life. How do you ensure that the process is not only profitable but also completely secure? Many sellers underestimate the complexity and potential risks that can arise from the initial valuation to the final handover. This article provides you with practical strategies and well-founded knowledge to make your house sale secure and to avoid typical pitfalls that can often result in losses of up to 10% of the sales value. Learn how to optimally prepare yourself and ensure legal security.

Fundamental preparation: Laying the foundation for a secure house sale

Thorough preparation is the first step towards security when selling your house. At this stage, decisions are made that influence the entire process. Missing documents can delay the sales process by weeks.

Gather all relevant documents: land register extract, energy performance certificate, building plans, and proof of renovations are essential. A current land register extract should be no older than 3 months. Complete documentation creates transparency and trust with potential buyers. This can shorten the sales time by up to 15%. Also consider a realistic valuation of your property; a professional appraisal by Auctoa can provide clarity and prevent mispricing, which often leads to losses. Solid preparation minimises surprises later on and significantly speeds up the sales process.

Risk analysis: Recognising and countering typical dangers in property sales

Selling a house involves various risks that can jeopardise your security. One of the greatest risks is incorrect pricing, which according to studies, can lead to a marketing period that is up to 300 days longer. A price that is too high deters interested parties, while a price that is too low results in financial losses. Care must also be taken when selecting potential buyers; not every buyer is genuine. Fraud attempts, such as falsified identities or financial proof, are increasing. Thorough credit checks of the buyer are therefore essential. Have them provide a financing confirmation from their bank, ideally before arranging a notary appointment. This confirmation should not be older than four weeks. Another risk is hidden defects, for which you as the seller may still be liable even after the sale. Honest disclosure of known defects is therefore mandatory. Comprehensive risk minimisation when selling a house is crucial for a successful outcome.

The Energy Certificate: A Legal Requirement and Information Source for Buyers

The energy performance certificate is a crucial document for safety in house sales and is legally required. It must be presented to potential buyers without being asked, no later than during the viewing. Failure to provide it or inaccurate information can result in fines of up to 15,000 euros.

There are two types of energy performance certificates:

  • The requirement certificate: This is based on a technical analysis of the building fabric and heating system and costs between 300 and 500 euros.

  • The consumption certificate: This is based on the actual energy consumption over the past three years and is more affordable, costing between 50 and 100 euros.

For most older buildings (constructed before 1977 and with fewer than 5 units that do not comply with the 1977 Thermal Insulation Ordinance), a requirement certificate is mandatory. The energy performance certificate not only provides information on energy demand or consumption but also includes recommendations for modernization. A good energy rating can positively influence the sale price, often by 5-7%. Make sure the certificate is valid, which is usually 10 years. Adhering to the legal framework is essential here.

The Role of the Notary: An Indispensable Partner for a Legally Secure Sale

In Germany, a house sale is not legally valid without a notary; notarisation of the purchase contract is legally required (§ 311b BGB). The notary acts as a neutral party, safeguarding the interests of both parties – the seller and the buyer. Notary costs generally amount to 1.0% to 1.5% of the purchase price and are usually borne by the buyer.

The core tasks of the notary include:

  1. Drafting the purchase contract after clarifying all details.

  2. Notarising the purchase contract in the presence of both parties.

  3. Obtaining necessary approvals (e.g., waiver of pre-emption rights by the municipality).

  4. Monitoring the payment of the purchase price, often through an escrow account with the notary.

  5. Initiating the transfer of ownership in the land register after the payment of the purchase price.

The notary also checks if encumbrances need to be removed from the land register. Careful examination of the draft purchase contract by both parties before the notarisation appointment is crucial. Allocate at least two weeks for this. A certified expert opinion can provide the notary with a basis for certain information and additional security.

The Purchase Contract: Important Clauses for Your Security as a Seller

The notarial purchase contract is the cornerstone for security when selling a house. Make sure to use clear wording to avoid misunderstandings and later disputes. An important clause concerns the exclusion of warranty for defects (“sold as seen”). This protects you as the seller from later claims for defects that were known or could have been known to the buyer during the viewing. However, defects that were fraudulently concealed are exempt; in such cases, you remain liable for up to 5 years.

Other important points in the purchase contract are:

  • Exact description of the purchase item (including any accessories sold with it).

  • Specification of the purchase price and payment terms (due date, method of payment). The due date for the purchase price is usually communicated by the notary 2-4 weeks after all conditions have been met.

  • Arrangements for the handover of the property (date, condition).

  • Allocation of additional costs (notary, land registry, estate agent).

  • Buyer's confirmation of receipt of the energy certificate.

Have the notary explain all clauses to you in detail. Legal protection when selling a house is hardly possible without a carefully crafted contract. If you have any uncertainties, consulting Auctoa or using our ImmoGPT chat can help identify critical points in advance.

Secure Payment Processing and Handover: Overcoming the Final Hurdles

The security in selling a house extends until the final payment and handover of keys. The notary ensures that the purchase price is only due once all conditions have been met. This usually includes the registration of a priority notice for the buyer in the land registry. This secures the buyer's claim to the transfer of ownership and prevents any alternative sale by you. The processing time for the priority notice can take a few days to several weeks.

Payment is usually made to a notary's escrow account or directly to you, as soon as the notary sends the payment notice. Only hand over the keys once the full purchase price has been received. This is a critical point that is often underestimated. Record the handover of keys in a detailed handover protocol. This should document meter readings (electricity, water, gas), the condition of the property, and a list of handed-over keys and documents. This can prevent future disagreements, for example, over utility bill settlements. The final transfer of ownership in the land registry can take several weeks to months after payment. A comprehensive security check is also important in this phase.

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Selling an inherited property often presents heirs with specific challenges concerning safety during the house sale. All co-heirs must agree to the sale; a single uncooperative heir can block the process. In Germany, around 54% of inheritances involve real estate. Therefore, clear communication and early agreement within the heir community are crucial. Obtain written consent for the sale from all co-heirs, ideally notarised. This creates binding commitment and avoids future conflicts that could delay the sale by months.

Valuing the property is another critical point. Emotional attachments can lead to unrealistic price expectations. A neutral, data-driven valuation, like the one offered by Auctoa, helps to establish a market-appropriate price and prevents disputes among heirs. The division of proceeds must also be clarified in advance. A notary can provide advisory assistance here. Also, consider inheritance tax; allowances can vary depending on the degree of kinship (e.g., 400,000 euros for children every 10 years). Early advice from a tax advisor is recommended. For an initial assessment, Auctoa’s ImmoGPT chat can also be helpful. The quality of an appraisal is particularly important here.

Digital tools and professional support: Your safety net

How important is a notary for security when selling a house?

The notary is essential for the security of a house sale. They ensure the legal validity of the contract, inform both parties of their rights and obligations, oversee the payment process, and arrange for the transfer of ownership. Selling a house in Germany is not possible without a notary and would involve extremely high risks.

What role does the energy performance certificate play in sales security?

The energy performance certificate is legally required and must be presented to prospective buyers at the latest during the viewing. It provides transparency regarding the energy efficiency of the property. Missing or incorrect information can lead to fines of up to €15,000, thereby jeopardising sales security.

What are the biggest financial risks in a private house sale?

The biggest financial risks include incorrect pricing (too low or too high), liability for undisclosed defects, fraud by unscrupulous buyers (e.g., failed financing after signing the contract), and incomplete or incorrect contractual documents, which can lead to delays or even cancellations. Professional valuation and legal advice can minimise these risks.

How can Auctoa help me sell my house more securely?

Auctoa supports you with AI-powered real estate valuations for a realistic price estimate, and offers fast, data-driven responses to your questions about the sales process through the ImmoGPT chat. This helps you make informed decisions and minimise risks.

How long does a secure house selling process usually take?

A secure house selling process typically takes 3 to 6 months from preparation to handover of the keys and registration change. The duration depends on factors such as market conditions, quality of preparation, finding a buyer, and processing times at authorities and notaries. Good preparation can speed up the process by several weeks.

Do I have to pay taxes on the proceeds as a seller?

Whether taxes (speculative tax) are due depends on how long you have owned the property and whether you have used it yourself. If you are selling a self-used property, taxes are generally not applicable. For rented properties, a speculation period of 10 years applies. A thorough review by a tax advisor is advisable for the security of your finances.

FAQ

How important is a notary for security during a house sale?

The notary is essential for ensuring security when selling a house. They ensure the contract's legal validity, inform both parties of their rights and obligations, monitor the payment of the purchase price, and initiate the transfer of ownership. Without a notary, selling a house in Germany is not possible and would be associated with extremely high risks.

What role does the energy certificate play in the security of sales?

The energy performance certificate is legally required and must be presented to prospective buyers no later than during the viewing. It provides transparency about the property's energy efficiency. Missing or incorrect information can lead to fines of up to €15,000, thus jeopardising the security of the sale.

What are the greatest financial risks when selling a home privately?

The greatest financial risks are incorrect pricing (too low or too high), liability for undisclosed defects, fraud by unscrupulous buyers (e.g. financing falling through after signing the contract), and incomplete or faulty contractual documents, which can lead to delays or even cancellations. A professional valuation and legal advice can help minimise these risks.

How can Auctoa help me sell my house more securely?

Auctoa supports you with AI-driven real estate valuations for a realistic price assessment and offers quick, data-driven answers to your questions about the sales process with the ImmoGPT chat. This helps you make informed decisions and minimise risks.

How long does a typical secure home selling process take?

A secure house selling process typically takes between 3 to 6 months from preparation to handover and registration in the land register. The duration depends on factors such as market conditions, the quality of preparation, finding a buyer, and processing time with authorities and a notary. Good preparation can speed up the process by several weeks.

Do I need to pay taxes on the sales proceeds as a seller?

Whether taxes (speculation tax) are due depends on how long you have owned the property and whether you have used it yourself. If you sell a property you have used yourself, there is usually no tax. For rented properties, there is a speculation period of 10 years. A thorough examination by a tax advisor is advisable for the security of your finances.

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auctoa – Your partner for precise appraisals and certified reports. Property valuation and land valuation. With digital expertise, expert knowledge, artificial intelligence, personalised advice, and comprehensive market insights.

Made in Germany

BASED IN HAMBURG

GDPR-compliant

HOSTED IN EUROPE

auctoa – Your partner for precise appraisals and certified reports. Property valuation and land valuation. With digital expertise, expert knowledge, artificial intelligence, personalised advice, and comprehensive market insights.

Made in Germany

BASED IN HAMBURG

GDPR-compliant

HOSTED IN EUROPE

auctoa – Your partner for precise appraisals and certified reports. Property valuation and land valuation. With digital expertise, expert knowledge, artificial intelligence, personalised advice, and comprehensive market insights.

Made in Germany

BASED IN HAMBURG

GDPR-compliant

HOSTED IN EUROPE