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Hidden costs and opportunities: Persch Consult by Accumin Whitepaper

Housing on the Coast 2026

Tinsa by Accumin México obtains ISO 14001 certification and strengthens its environmental commitment

News & Events

Global People team evaluates and prepares People’s strategy

In May 2026, Accumin’s Global People team came together for an internal alignment working session focused on reviewing priorities and future direction. Led by **Teresa Coelho, Global Chief People & Sustainability Officer (CP&SO) at Accumin**, the session created a space to step back from day‑to‑day routine and assess how the People department must continue evolving. 

The meeting is part of Accumin’s **broader Global People strategy** and was designed to ensure continued adjustment with business needs while anticipating future organisational demands. During two days of discussion, the team addressed key operational areas including decision-making framework, performance standards, and the responsible use of data and technology.

The session also reinforced a **shared way of working** within the Global People team, marked by a willingness to question established practices, co‑create solutions and approach decisions with a balanced and strong sense of responsibility.

While much of this work takes place behind the scenes, its impact is tangible. The outcomes of these conversations will inform future decisions across Accumin’s Global People function, supporting sustainable growth grounded in consistency and purpose.


Troostwijk Index Q2 2026

Accumin reports measurable ESG progress in 2025 

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Inisghts & Publications

Construction and business inventory costs continued to rise in the second quarter of 2026. 

Highlights:

- The **Troostwijk Index** reached **139.1 points for business buildings and offices, 136.8 points for residential construction** and **134.3 points for business inventory**, maintaining the upward trend across all categories.
- **Residential construction costs** recorded the strongest annual growth, increasing **4.1%** year-on-year, followed by business buildings and offices **(+3.5%)** and business inventory **(+2.5%)**.
- **Construction costs** continued to be supported by persistent wage pressure and higher rates charged by contractors.
- **Building material** prices showed a **mixed performance**, with increases in paint and cement, stable pricing in steel, sand, bricks and glass, and declines in wood and bitumen.
- **International trade developments and geopolitical tensions** continued to influence commodity markets, contributing to uncertainty around future cost developments for energy and industrial materials.

Consult the complete report [here](https://www.troostwijk.nl/nieuws/troostwijk-index-kwartaal-2-2026/).


CTE 2026: New requirements for building life cycle and renovation in Spain

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The 2026 update of Spain’s Technical Building Code (CTE) marks a significant shift in building regulation by looking to expand the traditional focus on energy efficiency towards a full life-cycle approach. The new framework, following the European decarbonization goals, strengthens sustainability criteria for both new construction and building renovation. 

Updates and impact: 
- Introduction of a new Basic Document on Environmental Sustainability (DB-HSA), which incorporates environmental criteria and life-cycle assessment into building design. 
- Building’s life impact evaluation, including global warming potential linked to materials, construction, use and end of life stages.
- Stronger renewable energy requirement under the update of Energy Saving Document (DB-HE), with enhanced solar generation obligations. 
- New provisions for sustainable mobility, such as electric vehicle charging infrastructure and bicycle parking. 

These updates influence directly in the energy rehabilitation and design strategies to promote a more decarbonized and efficient building stock in Spain. 


IMIE: Residential Report Q1 2026

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The Spanish housing market continues to face strong upward pressure on prices. In the first quarter of the year:

- The **average price** of completed housing (new and previous owned) recorded year-on-year growth of **+14,3%**. 
- The current **price level** remains 34% below the 2007 peak and 32% above the 2008 downfall, **consolidating** the **expansionary phase**. 
- Price increases remain widespread, with greater quarterly increase in **Madrid, Valencia, Castilla La Mancha, Canarias** and **Cantabria**. 
- Supply remains insufficient, despite a **+19,6%** increase in projects for **new construction**. 
- Pressure on the **purchase effort ratio**, which reaches 34% nationally and exceeds **+50%** in key metropolitan areas. 

Full report [here](https://www.tinsa.es/en/reports/imie-local-markets/quarterly/ ).

Troostwijk Internaitional Cost Index 2026

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Troostwijk Internaitional Cost Index 2026 

Troostwijk by Accumin analyses global trends in construction costs and machinery production costs as a decision supporting tool for the insurance and real estate sectors. 

**2018-2025 evolution**: pandemic, labour shortages and geopolitical conflicts triggered a profound structural shift in the insurance and valuation sector. 
- A significant cost crisis emerged in 2021, following a period of moderate inflation. 
- As a result, the declared and insured valuations of assets quickly became outdated. 
- Cost developments were not homogeneous, increasing complexity of risk management. 

In **2025**: cost divergences were particularly pronounced, reflecting the uneven impact of inflation, energy prices, wages and global supply chains. 
- Both construction costs and machinery production costs increased by 4,1% globally, while maintaining a high degree of regional dispersion. 
- Marked differences in the case of construction, where increases ranged from the minimum of 2,7% in Australia and New Zealand to a peak of 9,2% in Africa. 
- In machinery production, growth was moderate in Europe with 1,8% and significantly higher in Africa with 9,8%. 



| **Costs** | **Africa** | **Asia** | **A & NZ** | **Europe** | **Latam** | **EEUU & Canada** |
| --- | --- | --- | --- | --- | --- | --- |
| Machinery Production | 185.2 | 148.3 | 129.9 | 128.8 | 139.7 | 136.9 |
| Construction | 194.8 | 148.8 | 144.9 | 147.2 | 147.8 | 148.2 |

**Outlook for 2026**: data is suggesting a slowdown after the exceptional price growth experienced in recent years. 
- Persistent geopolitical risks, currently linked to the conflict in the Middle East, continue to pose potential impacts on inflation and price dynamics. 
- The economic slowdown already visible in some parts of Europe, could also generate deflationary pressures.

Forecast of average increases: 


| **Costs** | **Africa** | **Asia** | **A & NZ** | **Europe** | **Latam** | **EEUU & Canada** |
| --- | --- | --- | --- | --- | --- | --- |
| Machinery Production | 8% | 4.7% | 2.6% | 1.5% | 2% | 4% |
| Construction | 8.6% | 4.6% | 3.1% | 3.1% | 3.6% | 3.6% |

Full report [here](https://www.troostwijk.nl/en/research/international-indices/).


on-geo by Accumin earns ISO 14001

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Corporate Updates

**on-geo by Accumin** has obtained the **ISO 14001:2015** certification, the international reference standard for environmental management systems. 

This milestone reinforces the robustness and reliability of on-geo by Accumin in meeting the most demanding standards for environmental protection at global scale. 

Our implementation of a responsible management model contributes to consolidating the trust of our clients and collaborators through certified sustainable management systems. 


MIPIM 2026 helps boosting Accumin's international reach

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Accumin attended for first time **MIPIM 2026**, one of the leading international real estate industry events, held in Cannes last March 2026. 

In this first edition, we were represented by our delegates, **Manuel Hurtado**, Global Head of Intelligence, and **Iván López Sánchez** MRICS, Head of B2B Value & Advisory Iberia, who took part in meetings with international investors, financial institutions and industry professionals to discuss emerging market trends and investment opportunities.

The event confirmed the growing interest in the Spanish market, which continues to position Spain as one of the priority regions for international investment. At the same time, artificial intelligence and automation of processes took centre stage as tools already fully integrated into decision-making processes. 

The participation in MIPIM 2026 also enabled the strengthening of relationships and exploration of new collaboration opportunities in sustainability areas, which are decisive in the current housing market, where greater precision and evaluation are required.  


New-build Housing Report Spain 2026

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New-build Housing Report Spain 2026 

**The 2026 New-Build Housing Report for Spain**, conducted by **Tinsa by Accumin Spain**, studies the evolution of new-build residential market. The study highlights the growing imbalance between strong demand and limited supply. 
Total sales in 2025 have been pushed to decade-high levels due to significant population growth since 2021, combined with lower mortgage costs, resilient employment and recovering purchasing power. However, new-build specific transactions remain limited and insufficient to address the accumulated deficit. 


- The strongest **price increase variations of +14,1%**, were recorded in Cantabria and Asturias, while minimal variation of -5,4% was recorded in Extremadura. 
- At the same time, **foreign buyers** account for **10%** of total transactions and 6% of new-build purchases. 
- In 2025, **new-build housing prices** rose by **+10,4%** year-on-year, with average values 43% above second-hand housing. 
- Theoretical **purchase effort ratio** for new housing exceeds **45%** in Balearic Islands, Andalucía, Valencia and Cantabria.

At **Accumin**, through rigorous data analysis, we provide buyers and investors with deep market understanding and actionable insights that enable them to make strategic decisions with greater clarity and confidence.

Access full report [here](https://www.tinsa.es/en/reports/promotoras/informe-vivienda-de-obra-nueva-2026/ ). 


Zero Consulting by Accumin gets BREEAM certification

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Zero Consulting by Accumin, collaborating with Grupo Merkel, has obtained BREEAM Spain “Very Good” rating for six student accommodations, by applying a continuous and tailored improvement strategy.


Results present energy consumption reductions of up to 75%, as well as water usage savings up to 45%. Key measures implemented include the integration of low-consumption systems and renewable energies sources, together with the installation of building thermal envelopes, which are considered key tools for long-term building efficiency. Additional measures involve the use of materials with environmental certification and full traceability of the environmental impact generated during construction. 


The analysis carried out for each accommodation has enabled to transform demanding sustainability requirements into tangible, building-specific solutions, consolidating and establishing a robust, replicable model. 


Driving Sustainability on all fronts

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As our group continues to grow, we’re strengthening the way we integrate ESG into our daily operations, our services and the impact we create across the market.

Demand for sustainability expertise is accelerating and we’re right at the centre of it. Over the past months, we’ve seen a growing demand for services such as Energy Performance Certifications, sustainability audits, decarbonisation plans and regulatory compliance. Our teams are now delivering these services in more markets, helping companies understand their footprint and make informed decisions. The integration of Accumin Intelligence climate risk data has also strengthened our assessments, empowering our clients to create future-proof assets.

Internally, we’ve continued improving how we operate. Our latest data shows a steady reduction in energy consumption across several offices, supported by more efficient mobility policies and better resource management. These improvements aren’t just environmental wins; they help us work smarter and more responsibly.

Our people remain at the centre of this sustainable progress. Training continues to be a priority, with thousands of hours dedicated to technical upskilling and ESG knowledge. We’re also proud to see more women taking on leadership roles, reinforcing our commitment to better representation and equal opportunities. 

And beyond the office, our professionals continue to dedicate time to community initiatives, supporting families facing energy poverty and contributing to social housing projects.
Good governance is what ties all this together. Transparency, ethics and data protection guide how we operate every day. With multiple companies in the group now certified under ISO 27001, ISO 27701, ISO 14001 and ISO 9001, we’re reinforcing the trust our clients place in us and ensuring our processes meet the highest international standards.

Together, these actions demonstrate our commitment to driving meaningful, long-term impact and help shape a more sustainable future for all of us.

**At Accumin, we see ESG as a continuous journey.**

The IESE Real Estate Industry Meeting highlights RE market's diversification

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The 12th _IESE Real Estate Industry Meeting_, co-organized by Accumin, IESE Business School and Savills España, was held this March and was attended by more than 400 real estate professionals. 

José Antonio Hernández Calvín, Head of Valuations at Accumin, opened the session followed by the intervention of James Cornell, CEO of Accumin, who highlighted the potential of the current growth cycle in the Spanish market. 

The programme addressed the key trends set to shape 2026, ranging from hospitality and tourism to data, energy and housing, in a sector undergoing a process of profound transformation. 


Emphasized messages among the discussions were: 
- The impact of geopolitics on the industry
- Energy availability as a new critical location factor
- The urgency of addressing housing as essential infrastructure, through agile regulatory frameworks and public-private collaboration
- A shift in investment dynamics, with the hotel sector attracting a significant share of capital

From Accumin, we would like to thank all speakers, collaborators and attendees who made this high-value event possible. Following the success of this latest edition, the _IESE Real Estate Industry Meeting_ continues to consolidate its position as a reference in the industry.  


Accumin Condition Survey: Buy with criteria

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Condition Survey is an independent technical assessment that makes it possible to understand the true condition of a property before buying or renovating. A service designed to reduce uncertainty and provide objective information at one of the most critical moments in the housing purchase decision making process. 

In many cases, the real risks of a property are not visible at first glance. As a result, the decision is often based on perceptions or first impressions rather than on a rigorous technical analysis. Structural issues, early-stage damp, defective installations or elements requiring investment in the short or medium term are frequently identified once the transaction has been completed. 


**Condition Survey** enables buyers to anticipate these risks through: 
- The review of **+170 critical points**
- The identification of **hidden defects** 
- An assessment of property’s **actual condition** and **future investments** required
- A **robust report** that supports safer decision-making, planning or negotiation

The report is developed with professional expertise, real residential market data, and proprietary inspection and analytical technology. We provide information at the moment it matters the most, helping people make deeply informed decisions and gain greater control over the purchase or renovation of a property. 


Housing in Mexico 2026: Contrasts and opportunities

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The housing market in Mexico has entered 2026 with signs of transformation. In the metropolitan areas of Monterrey, Guadalajara and Mexico City, the availability of construction projects continues to decrease, what increases pressure on prices. 

Most notable trends include: 

- Supply shortage. The limited launch of new projects drives exploitation of existing land, reducing space of units offered but maintaining affordable prices. 
- Prices growth, with upward tendency, due to the stagnant housing supply. 
- Emerging submarkets. The saturation of traditional areas shift investment towards new zones with development potential. 
- Expansion of Multifamily rent, which provides a professional and centralized model of rent management as a safer alternative to traditional renting. 
- Centrality as a decisive factor, with location and commuting times becoming priorities for consumers. 
- Cautious and selective buyer profile, influenced by economic conditions. 
- Ticket price as a guiding reference, with reductions of space offered to keep prices competitive. 


The study describes a heterogeneous outlook for 2026, highlighting emerging opportunities within a global environment of constrained supply. 

Complete analysis [here](https://www.tinsamexico.mx/tendencias-para-el-2026-en-el-mercado-de-vivienda-un-ano-de-contrastes-y-oportunidades/).

Troostwijk Index 2026: slight price increase in construction and industry in the Netherlands

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Troostwijk Index 2026:  slight price increase in construction and industry in the Netherlands

2025 was a year of stabilization in both the construction and industrial sectors in the Netherlands. Following years of volatility, prices for materials and raw materials leveled off. As a result, construction costs increased by about 3.5%, primarily due to higher wages and contractor rates, while most material prices remained stable.

Building on these stable trends, construction output grew only slightly, and the continued decline in building permits (housing –15%, non-residential –20%) remains a major concern.
After years of contraction, industrial production in the Netherlands stabilized, though investments fell sharply due to economic pressure, U.S. import tariffs, and increased Chinese competition. Due to geopolitical tensions, energy markets stayed volatile.

| **Index Results** | **2025** | **2026** |
| --- | --- | --- |
| Office and industrial buildings | 138.2 | 141.2 |
| Residential buildings | 135.1 | 138.6 | 
| Machinery and equipment | 131.5 | 134.5 |

_(Q4 2019 = 100)_

**Outlook for 2026**

- Wages: Expected increases of 3–5%, with 4% already agreed in Construction & Infrastructure.
- Materials: Slight increases for timber, sand, and non-ferrous metals; steel is largely stable; oil slightly declines.
- Construction output: Forecast growth of 1–3%, driven by housing, but limited by labor shortages, nitrogen rules, and grid congestion.
- Energy: Continued volatility; long-term rise in costs due to sustainability investments.
- Geopolitics: Ongoing tensions (Ukraine, Middle East, U.S. tariffs, Chinese overcapacity) continue to pressure prices for steel and chemicals.

##### About the Troostwijk Index

Troostwijk has developed annual indices for machinery and equipment, office and industrial buildings and residential buildings specifically for the Dutch insurance sector since 2002. Check the full content here: https://www.troostwijk.nl/nieuws/troostwijk-index-2026/


Troostwijk Index Q1 2026

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Construction and business inventory costs increased again the first quarter of 2026. Rising labour costs and continued wage pressure remain key drivers of cost developments across the construction and industrial sectors. 

Highlights: 

- **Troostwijk Index** reached 138.1 points for **business buildings, 135.7** points for **residential construction** and **133.4** points for **business inventory**. 
- **Residential construction costs** increased **4.1%** year-on-year, recording the strongest annual growth. 
- **Construction and production costs remained under upward pressure** due to rising labour costs and contractor rates, while building material prices showed increases in bricks and woods, stable pricing in steel and cement and declines in bitumen and metal products. 
- Commodity market volatility, geopolitical and international trade policy continues spreading **uncertainty around future costs** for energy, metals and industrial materials. 

Check the complete report [here](https://www.troostwijk.nl/nieuws/troostwijk-index-kwartaal-1-2026/ ).


IMIE: Residential Report Q4 2025 

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The Spanish residential market maintains a solid tone. In the fourth quarter of 2025: 
- The **average price** of completed housing (new and previously owned) grew by **13,1%** year-on-year. 
- Price increases remain widespread, with intensity in employment hubs and tourist destinations, in this case **Madrid, Valencian Community, Cantabria** and **Balearic Islands**. 
- **Demand**, remaining firm, reflects a **slowdown in growth** from both resources, purchases and mortgages.  
- **Construction activities** have grown **+6,5%** year to year, but remains to be insufficient. 
- National **purchase effort ratio** stands at 34% and exceeds **50%** in main urban and touristic markets. 

Full report [here](https://www.tinsa.es/en/reports/imie-local-markets/imie-mercados-locales-4o-trimestre-2025-131/). 