Real estate
Article 4 of 16 · Buildings and real estateCRREM pathway explained for businesses
Direct answer
CRREM, short for Carbon Risk Real Estate Monitor, is a science-based method that provides decarbonisation pathways for the CO2 emissions and energy intensity of real estate, per country and building type, in line with the Paris goal of limiting warming to 1.5 degrees. If a building sits above its CRREM pathway, it risks becoming a stranded asset: at some point it no longer meets the climate goals and may lose value.
- Clear definition
- Data-driven assessment
- Risks and opportunities visible
- Practical next steps
CRREM pathway explained: scattered information versus Energy Intelligence
Real estate accounts for a large share of energy use and CO2 emissions in Europe and must become close to climate neutral by 2050. For owners and investors this raises a concrete question: is this building future-proof, or is an expensive catch-up looming? Picture a 1990s office building running on gas boilers: it works fine today, but an investor wants to know for how long. CRREM provides a shared, internationally used yardstick, also applied by Dutch market parties.
- A CRREM pathway is a declining line from now to 2050 that shows, per country and building type, how much CO2 and energy use per square metre still fits within a 1.5 degree world.
- The year in which a building crosses the declining pathway is called the stranding year; from that moment the building counts as a carbon risk for value, letting and financing.
- Investors and owners use CRREM to screen portfolios, plan renovation moments and report to investors, among others through the GRESB benchmark.
Insight
Traditional approach
Information is scattered across portals, documents, invoices or separate spreadsheets.
Modern approach
Data, context and interpretation are brought together into a clear decision picture.
Decision-making
Traditional approach
Choices are made based on averages, assumptions or occasional analyses.
Modern approach
Scenarios, KPIs and current measurement data make the trade-off more concrete and repeatable.
Follow-up
Traditional approach
Actions often stay non-committal or disappear into separate reports.
Modern approach
Follow-up actions, monitoring and reporting are linked to the same energy data.
How does a CRREM pathway work?
CRREM publishes, per country and per building type, such as offices, retail, logistics and residential, a declining line from now to 2050. That line shows how much CO2 and energy use per square metre per year still fits within the remaining carbon budget for a maximum of 1.5 degrees of warming. You then compare the actual performance of your building with that line. This requires measured consumption data: electricity, gas and heat, plus the floor area of the building. If your building sits below the pathway, it is aligned with the climate goals for now. If it sits above, the risk grows every year, because the pathway keeps declining. The pathways are also updated periodically based on new scientific insights.
- Pathways exist per country and per building type, from offices to residential.
- The line declines from now to 2050, in line with a maximum of 1.5 degrees of warming.
- You test with actual measured consumption, not with theoretical labels.
- The pathways are updated periodically and can therefore shift.
What does stranding mean for your building?
The year in which your building's performance crosses the declining CRREM pathway is known in the market as the stranding year; CRREM itself refers to it in recent publications as the misalignment year. From that moment the building counts as a stranded asset: it no longer meets the climate goals on which the pathway is based. That is not a legal verdict, but a risk signal. Buyers, tenants, valuers and lenders increasingly look at this type of analysis. A building far above the pathway can therefore become harder to let, sell or finance, and may lose value. Important to know: the stranding year is not fixed. A renovation that lowers consumption pushes the year back. An update of the pathways themselves can also move the year, without anything changing about the building.
- The stranding year is the moment your building crosses the declining pathway.
- Stranding is a risk signal for value, letting and financing, not a legal verdict.
- A renovation that lowers consumption pushes the stranding year back.
- Pathway updates can move the stranding year without any change to the building.
How do owners and investors use CRREM?
Institutional investors and real estate funds mainly use CRREM at portfolio level. They test all buildings against the pathways and see which assets strand first. That overview helps in planning renovations at natural moments, such as a lease expiry or scheduled major maintenance. CRREM is also a reporting language towards investors: GRESB, the international benchmark for sustainable real estate, uses the CRREM pathways in its transition risk reporting. In the Netherlands, the Paris Proof approach of the Dutch Green Building Council builds on the same thinking, with targets for actual energy use per building type. Do keep the limits in mind: CRREM is a voluntary instrument. It does not replace legal obligations, such as energy label requirements, but complements them with a long-term view.
- Portfolio screening: which buildings strand first and where the largest risk sits.
- Planning renovations at natural moments, such as lease expiry or major maintenance.
- Reporting to investors, among others through the GRESB benchmark for sustainable real estate.
- In the Netherlands, Paris Proof of the Dutch Green Building Council follows the same logic.
- CRREM is voluntary and does not replace legal obligations.
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