15.2.2026
AVENTOS Equity Research Report No. 01/2026: Instone Real Estate Group
Instone Real Estate Group:
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"KEY POINTS"
"KEY POINTS"
KEY POINTS
- Severe supply-demand imbalance favorable for German residential developers
- Proven track record of operational prowess
- Strong balance sheet facilitates exploitation of growth opportunities
- Significantly undervalued stock
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"EXECUTIVE SUMMARY"
"EXECUTIVE SUMMARY"
EXECUTIVE SUMMARY
German Housing Market Dynamics
The German housing market is grappling with a severe supplydemand imbalance, as the German Economic Institute projected a staggering annual shortfall of 372,600 apartments in 2025. This presents a significant opportunity for established residential developers like Instone Real Estate.
Industry Realignment
Elevated interest rates have pressured the real estate sector, eliminating weaker developers and positioning resilient firms like Instone in a great spot to capitalize on market re-adjustments.
Instone’s Market Position
Instone manages a €7.1bn development pipeline in high-demand urban areas, achieving robust margins (23% average full-cycle target) and steady sales (exceeding €500m for 2025).1
Financial Strength and Growth Prospects
With €252 million in cash and a solid balance sheet, Instone plans to acquire €2bn in new projects volume over the next 12-18 months, and has already secured projects totalling €1.1bn GDV, reflecting its ability to exploit market opportunities.2
Regulatory Expertise and Strong Networks
Instone has a proven track record of navigating Germany’s complex building rights and permit processes. Additionally, Instone leverages its local networks and regulatory acumen.
1 Instone Results Presentation, Q3 2025. Instone Earnings Call Q1 2025. Instone Corporate News, 15.01.2026.
2 Instone results Presentation, Q3 2025.
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"COMPANY "
"COMPANY "
COMPANY
Instone is a German residential development company listed on the Frankfurt Stock Exchange (XTRA: INS) with a current market capitalization of ~€427m. It specializes on urban development projects within metropolitan regions. The company serves a diverse demographic that includes young professionals, families, and seniors. Instone leverages two key product lines, Instone core product and its lower price-point housing line “nyoo”, to cater to different user groups and address the growing demand for affordable housing solutions. Instone core projects typically achieve slightly higher gross profit margins compared to the nyoo product line. This is attributed to their focus on prime locations, higher-quality finishes, and the ability to command premium prices.
The nyoo product line focuses on affordable, sustainable, and industrialized housing through modular construction and planning processes, offering several strategic benefits, catering to the high demand for affordable housing in the German market.
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"GERMAN HOUSING MARKET "
"GERMAN HOUSING MARKET "
GERMAN HOUSING MARKET
The German housing market is experiencing supply challenges, primarily stemming from structural issues. The housing shortage is particularly prevalent in major urban areas like Berlin, Frankfurt, Munich, and Hamburg. According to the German Economic Institute, the projected shortfall in Germany was 372,600 apartments per year in 2025 and 257,400 apartments per year in Germany thereafter. This imbalance led to sharp increases in market rents and property prices over the past 15 years.
Additionally, demand for housing is expected to grow, fueled by factors such as urbanization, migration, and an increase in single-person households. Climate protection initiatives compound the pressures on the housing market. The energy efficient renovation of existing buildings, necessary to meet climate targets, often leads to increased rents through mechanisms such as the ‘modernization levy’.
Germany’s drastic supply-demand imbalance fuels the urgent need for both new-build upscale- as well as affordable housing. Affordability has become a growing societal challenge, making housing policy a central political topic.
For Instone, the challenges in the housing market present a significant opportunity, positioning the company as a key player in addressing the nation’s housing needs.
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"DEVELOPMENT PIPELINE"
"DEVELOPMENT PIPELINE"
HIGH QUALITY DEVELOPMENT PIPELINE FOCUSES ON RESILIENT MARKETS
Instone maintains a robust development pipeline comprising 46 projects with an expected gross development value (GDV) of approximately €7.1 billion and a targeted gross profit margin of around 23% over the full cycle. Additionally, Instone is involved in five joint venture projects, contributing an expected ~€670 million in GDV.3
As of Q3 2025, most of the projected total revenue volume - approximately 98% - is concentrated in Germany‘s key metropolitan regions: Berlin, Dusseldorf, Frankfurt am Main, Hamburg, Cologne/Bonn, Leipzig, Munich, Nuremberg, and Stuttgart. The remaining 2% are derived from other appealing medium-sized cities. Instone offers an attractive product in high quality locations, positioning itself as a leading developer in Germany‘s most sought-after urban markets.
After several quarters of depressed selling activity as a consequence to the interest rate shock, Instone’s sales to both private buy-to-let investors and owner-occupiers have reportedly returned to levels seen prior to the shock and are showing sound momentum.4
Political incentives, such as those introduced under the ‘Growth Opportunities Act’, appear to be stimulating demand among both buyer groups, helping to sustain high sales levels. Moreover, the newly elected German Bundestag is expected to adopt a more marketoriented approach, which is likely to benefit residential real estate construction, and thereby players like Instone.
3 & 4 Instone Results Presentation, Q3 2025.
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"CONSTRUCTION COST ADVANTAGE & DISCIPLINED AQUISITIONS"
"CONSTRUCTION COST ADVANTAGE & DISCIPLINED AQUISITIONS"
CONSTRUCTION COST ADVANTAGE & DISCIPLINED ACQUISITIONS
Instone achieves attractive project margins, securing a competitive advantage through two key strategies:
1. Efficient cost management
To achieve its attractive margins, Instone requires low and relatively stable project costs. The low costs are accomplished through modular designs of projects combined with strong in-house construction expertise. Instone operates as an ‘in-house general contractor’, eliminating an intermediate layer in the construction chain. This model allows the company to directly contract individual trades in a targeted and cost-efficient manner, thereby reducing costs.
Instone operates a staff-intensive business model, employing approximately 338 full-time equivalents, largely due to its vertically integrated structure.5 However, this approach is essential for maintaining control over the value chain, and the company‘s expertise, along with its strong local networks, necessitates the size of its workforce.
2. Disciplined property acquisition
Instone employs a highly disciplined approach to property acquisition, involving multiple stages of cost evaluation to ensure financial viability. The company prioritizes relatively low acquisition costs for land and has developed expertise in acquiring, converting, and repurposing land for residential use. This allows Instone to buy land below regular residential land market price, reducing acquisition costs further. Our research suggests that since its IPO, Instone has resold only three out of 71 projects without initiating construction.
The table above presents a comparative analysis of construction costs for a residential development project in Frankfurt am Main. It assumes identical land acquisition costs for both scenarios and contrasts the construction costs derived from the Building Cost Information Center of German Chambers of Architects (BKI) with those calculated based on Instone’s communicated full-cycle average project margin of 23%.6 The BKI derives the costs from already realized projects in its database and is a good indication for construction pricing in Germany. The calculation suggests that Instone’s construction costs are significantly below the BKI benchmark, indicating a cost advantage. This cost efficiency strengthens Instone’s competitive position in the residential development sector, allowing for increased profitability and greater flexibility in project execution.
5 Instone Financial Report, Q3 2025.
6 Instone Earnings Call, Q1 2025.
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"A STRONG BALANCE SHEET WILL ACCELERATE INSTONE’S GROWTH"
"A STRONG BALANCE SHEET WILL ACCELERATE INSTONE’S GROWTH"
A STRONG BALANCE SHEET WILL ACCELERATE INSTONE’S GROWTH
The company maintains a very low net debt-to-EBITDA ratio standing at a mere 2.01x, significantly below the peer average of 8.45x. Net debt has decreased by 69% since the end of 2019, from just under €480 million to currently €151 million. This strong financial position is bolstered by approximately €252 million in cash and cash equivalents, ensuring robust liquidity.7
By refraining from acquiring new projects from beginning of 2022 until mid-2024 and prioritizing liquidity management, Instone has effectively navigated the challenges of recent years. This strategic financial discipline has proved to be the correct approach. It prepared Instone to capitalize on attractive investment opportunities as the market adjusts to new conditions, while competitors (e.g., Project Immobilien, Euroboden, CG Group or Imfarr) have been facing distress due to high leverage and low liquidity.8 Looking ahead, Instone has set an acquisition target for 2025 & 2026 of €2 billion GDV, leveraging its strong financial position to drive growth in a recalibrated market landscape. During the first three quarters of 2025, Instone has already secured 9 projects with a GDV of €1.2bn, delivering on its promise of growth and deploying its capital.9
7 Instone Results Presentation, Q3 2025. Reporting excludes €121 million restricted cash and €87 million financial debt in connection with Project Westville client related subsidized KfW loan.
8 Capital (2024): Pleitewelle: Warum Immobilien-Projektentwickler in der Krise stecken; Handelsblatt (2024): Immobilien-Projektentwickler Imfarr ist pleite.
9 Instone Results Presentation, Q3 2025.
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"PRICED AT A COMPELLING VALUATION"
"PRICED AT A COMPELLING VALUATION"
Instone stands out as the sole major and stable publicly listed residential developer in Germany. Therefore, comparing Instone to the 10 residential developers included in EPRA’s Developer Index located in continental Europe is the most appropriate approach.
Instone is currently trading at a significant discount relative to its peers, with an Enterprise Value/Forward 2026E EBITDA multiple of 6.5x, compared to the peer group average of 13.6x, based on data from S&P Capital IQ Pro. Valued in line with its peers at a 13.6x multiple, Instone would trade at €20.7 per share, representing a potential upside of 110% from the current share price.
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"DISCOUNTED CASH FLOW CALCULATION"
"DISCOUNTED CASH FLOW CALCULATION"
DISCOUNTED CASH FLOW CALCULATION
In addition, a back-of-the-envelope Discounted Cash Flow (DCF) analysis of Instone, based on highly conservative assumptions, suggests significant undervaluation. The model assumes the consensus EBIT estimate of €71 million for 2025 and €82 million for 2026, followed by zero growth in subsequent years and the average German corporate tax rate of 30%. Cash flows are then discounted with a weighted average cost of capital (WACC) of 5.4%.10
This concludes an enterprise value of €1.1 billion and an equity value of €1bn and translates into a per share value of close to EUR 23.6, implying an upside of 140% from current levels. Even under highly conservative assumptions, the valuation underscores the stock’s strong upside, highlighting a disconnect between its intrinsic value and market price.
10 Derived from a cost of debt of 4.96% and a cost of equity of 6.08% - calculated using the German 10-year bonds 2.83% yield as a risk-free rate, Instone´s beta of 0.75 (Source: S&P Capital IQ Pro) and an equity risk premium of 4.3% sourced from Aswath Damodaran’s NYU Stern website.
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"BOOSTING VALUE: KEY RECOMMENDATIONS FOR GREATER IMPACT"
"BOOSTING VALUE: KEY RECOMMENDATIONS FOR GREATER IMPACT"
BOOSTING VALUE: KEY RECOMMENDATIONS FOR GREATER IMPACT
The following fields of action for the company’s management could accelerate the unlocking of Instone’s full value.
Detailed project information & capital market communication
To improve transparency on the project level, more detailed project information such as purchase price of land, funds required to complete projects or the state of ongoing projects including status of building right applications would facilitate understanding of projects for outsiders.
Emphasize Instone’s role in solving Germany’s housing shortage
Instone operates at the heart of one of Germany’s most pressing societal challenges – the housing crisis. Germany’s housing market faces a critical undersupply, creating challenges for society and opportunities for companies that provide real solutions. Instone stands at the forefront of the solution to this issue, yet this strategic advantage has not been fully leveraged in the company’s communications. By actively positioning itself as a socially responsible developer working to ease the housing shortage, Instone could strengthen stakeholder confidence.
Openness regarding strategic alternatives
Management should remain receptive to opportunities that could accelerate shareholder value creation. While Instone is well-equipped to continue its trajectory independently, possible alternatives – such as a public-to-private transaction or industry consolidation – could accelerate value enhancement and should be evaluated as part of a broader strategic review.
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"SUMMARY"
"SUMMARY"
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"APPENDIX"
"APPENDIX"
You can find our report in full length as a PDF here.
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"DISCLAIMER"
"DISCLAIMER"
DISCLAIMER
The information in this report is for information purposes only and does not constitute investment advice or a recommendation, offer or solicitation to buy or sell securities or other financial instruments. Past performance shown in this report is not an indicator of future results.
Economic and market information contained in this document has been obtained from publicly available sources prepared by third parties. AVENTOS Capital Markets GmbH & Co. KG assumes no responsibility for the accuracy or completeness of this information.
AVENTOS Capital Markets GmbH & Co. KG makes no representation as to the adequacy, correctness, accuracy or completeness of the information contained herein (including, but not limited to, information obtained from third parties). Furthermore, AVENTOS Capital Markets GmbH & Co. KG expressly disclaims any responsibility or liability for, and assumes no responsibility to update or correct, the information contained in this report.
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