Achieve optimal property values through market-based assessments

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A property expert conducts a virtual property valuation via a video call.

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(ex: Photo by

A property expert conducts a virtual property valuation via a video call.

on

(ex: Photo by

A property expert conducts a virtual property valuation via a video call.

on

Achieve optimal property values through market-based assessments

Achieve optimal property values through market-based assessments

Achieve optimal property values through market-based assessments

1 Apr 2025

9

Minutes

Federico De Ponte

Expert in Real Estate Valuation at Auctoa

1 Apr 2025

9

Minutes

Federico De Ponte

Expert in Real Estate Valuation at Auctoa

Wondering what your property is really worth? An <strong>accurate market valuation</strong> is the key to making informed decisions and achieving optimal results, whether it’s for selling, inheritance matters, or investment strategies. Discover how to accurately determine the fair value of your property.

Chat with ImmoGPT for free now.

With access to Google, BORIS, and Deep Research.

The topic briefly and concisely

An accurate market valuation is essential to determine the realistic value of a property and avoid financial disadvantages.

The ImmoWertV regulates the recognized methods (comparative, income, and cost approach) for real estate valuation in Germany.

Neutral, professional appraisals are particularly important in complex matters such as inheritance or divorce to ensure objectivity.

A property often represents a significant asset. Knowing its current market value is essential for owners and investors.

Without a well-founded, market-appropriate valuation, you risk financial disadvantages, whether through too low sale prices or misjudgments in investments. This article highlights the importance of accurate valuations and shows ways to achieve an objective assessment.

Discover how professional analyses and data-driven methods can reveal the true value of your property. This can help you better achieve your financial goals.

Understanding the Fundamentals of Market-Based Valuations

What is a market-based valuation? It is the price that could be achieved in a normal business transaction at a specific time. The basis includes legal and actual characteristics.

Miscalculations can be costly. A price that is 10% too low on a €500,000 property means a €50,000 loss. A professional valuation provides clarity.

It forms the basis for successful transactions and wealth planning. Knowing the market value protects against unrealistic expectations. It enables targeted strategies and informed decisions.

Legal framework and recognised procedures according to ImmoWertV

In Germany, the Immobilienwertermittlungsverordnung (ImmoWertV) regulates the principles of property valuation. It ensures that valuations are carried out in a comprehensible and consistent manner. The ImmoWertV 2021 consolidates previous guidelines and has been in effect since 1 January 2022.

For experts and appraisers, these guidelines are binding. Three central, standardized methods are used to determine market value: the comparison, income, and cost approaches.

The choice of the right method depends on the type of property and the purpose of the valuation. A correct methodology is crucial for a reliable outcome. The ImmoWertV now also takes ecological aspects and future regional development into account. Understanding these methods will help you better understand appraisal reports.

The comparative value method: Market prices as a benchmark

The comparative value method determines the value by comparing with similar properties that have recently been sold. It is particularly suitable for owner-occupied single-family homes and condominiums. This applies in areas with enough comparable transactions.

Data for this is provided by the appraisal committees, which show average prices per square meter. At least 3-5 comparable properties are recommended for a robust analysis. Important criteria are location, size, year built, features, and condition. Modernizations can increase the value by up to 15-20%.

This method very directly reflects the current market situation. For a precise market value analysis, the quality of the comparison data is crucial. The challenge lies in objectifying the differences between the properties.

The Income Approach: Focus on Return Potential

The income approach is the method of choice for rented or leased properties. Here, the focus is on the future sustainably achievable income, that is, the rental income. It is applied to multi-family houses, commercial or office buildings.

The value is derived from the net yield (rental income minus management costs) and the property interest rate. The property interest rate reflects the return expectation and is often between 3% and 7%. A careful analysis of management costs is central.

These management costs can account for 15-30% of the gross rent. The remaining useful life of the building also plays an important role. This method is complex but provides a solid basis for investment decisions.

A successful valuation takes all relevant income factors into account.

The Asset Value Method: Substance Value as the Basis

The current value method is often used for owner-occupied properties, where few comparable objects exist. Examples include custom architect-designed houses or special commercial properties. It determines what a new build would cost today, minus age-related depreciation.

The current value is composed of the land value and the construction costs of the buildings. The land value is usually determined by standard land value rates provided by expert committees. The normal construction costs (NHK 2010 or more recent) form the basis for building costs. Age-related depreciation can amount to up to 70% of the new value.

A high-quality appraisal is particularly important here. This method strongly focuses on the substance of the property.

Influencing Factors: What Really Determines Your Property's Value

Numerous factors influence property value. The location is often the most important factor and can account for price differences of over 50% for identical properties. The following aspects are crucial:

  • Micro-location: Immediate surroundings, infrastructure, transport links, shopping facilities.

  • Macro-location: Economic strength of the region, population development, attractiveness of the location.

  • Condition and age: Need for renovation, modernisations carried out (e.g. energy-efficient renovation can increase value by 10-20%).

  • Fittings: Quality of bathrooms, flooring, type of heating, energy standard.

  • Size and layout: Living area, plot size, room layout.

  • Legal conditions: Entries in the land register, preservation orders, building encumbrances.

  • Market situation: Current supply and demand ratio.

A detailed analysis of these factors is essential. Auctoa assessments or the ImmoGPT chat can help you analyse these factors for your property.


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An unbiased and professional property valuation instils trust and objectivity. Especially in cases of inheritances, divorces, or tax-related occasions, an impartial appraisal is often indispensable. It helps to avoid conflicts.

An independent expert evaluates without any self-interest. This is important as sellers often perceive an emotionally higher value, while buyers wish to negotiate a lower price. A qualified valuation according to ImmoWertV also stands up in court and with tax authorities.

The cost of a market value appraisal typically ranges from 0.5% to 1.5% of the property value. This investment can prevent significant financial mistakes or lengthy disputes.

For initial guidance, an independent assessment using tools like ImmoGPT can be helpful. The security of a well-founded valuation is invaluable.

Digital Tools and AI: The Future of Property Valuation

Why is a neutral property evaluation so important?

A neutral evaluation by an independent expert ensures that the value is determined objectively and without any conflicts of interest. This is particularly important in negotiations, inheritances, or divorces to create a fair basis and prevent disputes.

Which evaluation method is right for my property?

That depends on the type of property. For owner-occupied houses/apartments, the comparative method is often used. For rental properties, the income-based approach is common. For special properties without direct comparables, the replacement cost method is applied.

What is the difference between market value and fair value?

In German law, particularly according to § 194 BauGB, the terms market value and fair value are used synonymously. They refer to the price that could be achieved in normal business transactions at a specific point in time.

How can Auctoa assist me in achieving a market-appropriate valuation?

Auctoa offers AI-supported property valuations and strategic advice. Our ImmoGPT-Chat can provide you with an initial quick assessment. For detailed analyses, our experts are at your disposal to ensure a well-founded, market-appropriate valuation of your property.

What impact does the energy condition have on the property's value?

The energy condition has a significant impact. Good energy efficiency (e.g., through insulation, modern heating, solar) can increase the value by 10-20% and reduce ongoing costs, making it very attractive to buyers. The energy certificate provides information on this.

Do banks need to recognise an online property valuation?

Online property valuations usually serve as an initial guide and are generally not accepted by banks as the sole basis for a financing decision. Banks typically require a detailed report from a certified expert or conduct their own assessments.

FAQ

Why is a neutral property valuation so important?

An impartial evaluation by an independent expert ensures that the value is determined objectively and without conflicts of interest. This is particularly important during negotiations, inheritance disputes, or divorces, to create a fair basis and prevent disagreements.

Which valuation method is right for my property?

That depends on the type of property. The comparative method is often used for owner-occupied houses/apartments. The income approach is common for rented properties. For special properties with no direct comparables, the cost approach is used.

What is the difference between market value and fair value?

In German law, particularly under § 194 BauGB, the terms market value and fair market value are used synonymously. They denote the price that can be achieved at a specific point in time under normal business conditions.

How can Auctoa help me with market-appropriate valuation?

Auctoa offers AI-powered real estate evaluations and strategic consultancy. Our ImmoGPT chat can provide you with an initial quick assessment. For detailed analyses, our experts are available to ensure a well-informed, market-appropriate valuation of your property.

What impact does the energy status have on the property value?

The energetic condition has a significant impact. Good energy efficiency (e.g., through insulation, modern heating, solar) can increase the value by 10-20% and reduce ongoing costs, which is very attractive to buyers. The energy performance certificate provides information about this.

Does an online property valuation need to be recognized by banks?

Online property valuations are typically used as an initial guide and are generally not accepted by banks as the sole basis for a financing decision. Banks usually require a detailed report from a certified expert or conduct their own assessments.

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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