An effective re-letting strategy is about proactively minimising the time a rental unit stands empty by combining market insight, timely refurbishment, and targeted marketing. By reducing tomgangsrisiko (void risk), the investor ensures a stable cash flow and protects the property's overall valuation through optimised operating economics in the Danish real estate market.
Understanding void risk in the Danish market
Void periods are one of the most significant risk factors for any property investor in Denmark. Whether operating in growth centres like Copenhagen, Aarhus, Odense, or Aalborg, or in regional cities like Vejle and Roskilde, unused square metres equal lost revenue that can never be recovered. Void risk is defined as the probability and financial consequence of tenancies standing vacant between two rental periods or as a result of a lack of demand.
In the current market in September 2026, we are seeing increased differentiation between various segments. While demand for smaller apartments in the major student cities remains high, larger family homes or commercial leases often require a more nuanced approach. A solid re-letting strategy is therefore not just a practical checklist, but an integrated part of the property's asset management.
To assess the risk correctly, one must look at both frictional vacancy (the time it takes to refurbish and move in a new tenant) and structural vacancy (where supply and demand do not match). In Denmark, the lejeloven (Danish Rent Act) and administrative frameworks help define how quickly a re-letting can be executed, which is why knowledge of legal deadlines is essential.
Elements of a professional re-letting strategy
A professional re-letting strategy starts long before the current tenant hands over the keys. It is about creating a process that is predictable and repeatable. The strategy should, at a minimum, contain procedures for termination, presentation of the lease, tenant selection, and contract conclusion.
Pricing and market analysis
The first step is to ensure that the rent level is in line with the market. In Denmark, rent setting is often regulated by rules on omkostningsbestemt leje (cost-based rent) or det lejedes værdi (value of the leased premises), depending on the property's age and type. It is always recommended to seek legal advice or assistance from experts in tenancy law to ensure the rent is not set too high, which can lead to cases at the Huslejenævnet (Rent Control Board), or too low, which erodes the property's return.
Marketing timing
In major cities like Copenhagen and Aarhus, marketing should commence immediately after receiving a notice of termination. The use of professional photos, floor plans, and precise descriptions of the local area (GEO-optimisation) is crucial. If the apartment is close to infrastructure, educational institutions, or green areas, this must be clearly highlighted.
The screening process
A fast re-letting must never come at the expense of tenant quality. A thorough screening of potential tenants reduces the risk of future payment problems or early terminations, which in turn lowers the long-term void risk.
Geographical differences and their impact on strategy
Denmark is not one homogeneous market when it comes to letting. A re-letting strategy for a property in Frederiksberg will differ significantly from a strategy for a property in Esbjerg or Sønderborg.
| Region/City | Demand Dynamics | Typical Time on Market (Estimated) | Primary Target Group |
|---|---|---|---|
| Capital Region | Very high demand | Low (under 1 month) | Students, young professionals |
| Aarhus & Surrounds | High demand | Low to moderate | Students, families with children |
| Triangle Area | Stable growth | Moderate | Commuters, logistics employees |
| Regional Hubs | Selective demand | Moderate to high | Local citizens, seniors |
In growth areas, the challenge is often not finding a tenant, but choosing the right one and ensuring a smooth transition where refurbishment happens in record time. In areas with lower population growth, the strategy must focus more on incentives, tenant terms, and perhaps even upgrading the unit's facilities to differentiate from competitors.
Technical optimisation and maintenance as a tool
A significant part of minimising voids is the condition of the unit. In Denmark, we have a strong tradition of tenancies being handed over in good condition. An effective re-letting strategy includes a fixed agreement with tradespeople (painters, floor sanders) who can move in the day after a tenant moves out.
When a unit stands empty, it is also the optimal time to consider value-adding investments. Can a new kitchen or an optimisation of the floor plan justify a higher rent according to the Rent Act's section 19, subsection 2 (formerly section 5, subsection 2)? Here, it is important to consult specialists, as the rules for modernising older housing stock are complex and subject to ongoing political debate.
Furthermore, energy optimisation plays a growing role. Tenants in 2026 are highly conscious of their heating and electricity bills. Properties with good energy ratings (A or B) generally experience lower vacancy rates, as the total housing expenditure for the tenant becomes more attractive.
Digitalisation of the letting process
To optimise one's re-letting strategy, digital platforms should be used today. Automating viewings, digital signing of tenancy agreements via MitID (Denmark’s national digital ID), and electronic ind- og fraflytningsrapporter (move-in and move-out reports) significantly reduce administrative time. This ensures not only a faster process but also better documentation, which is crucial in any disputes regarding deposits or refurbishment.
The use of data is equally essential. By monitoring time-on-market and the number of enquiries across the portfolio, an investor can quickly adjust their strategy. If a home in Odense is not let after two weeks, it may be a sign that the pricing or presentation needs to be re-evaluated.
Risk management: The financial buffer
Even with the best re-letting strategy, voids will occur. A conservative investor always includes a void factor in their budget – often between 2% and 5% of annual rental income, depending on the property type and location. This ensures that the property's financing and operation are not endangered by a temporary loss of rent.
It is also worth considering the tenant mix. In larger properties, one can spread the risk by having a mixture of small and large apartments, or perhaps combining residential and commercial use if the lokalplan (local district plan) allows it. This makes the property less vulnerable to sector-specific economic fluctuations.
The importance of communication for tenant retention
The best re-letting strategy is actually to avoid re-letting by keeping good tenants. Tenant retention is an often-overlooked discipline. Good communication, rapid response to defects, and a generally well-maintained property create loyal tenants. In Denmark, we see that properties with active and responsive management have a significantly lower churn rate.
When a tenant feels valued, the probability of them staying for several years is greater. This saves the owner costs for refurbishment, marketing, and the administration of new contracts. It is recommended to have clear guidelines for how tenant enquiries are handled and to ensure that the property's vicevært (caretaker) function works optimally.
Regulatory framework in 2026
The Danish rental market is heavily regulated by Lejeloven (The Rent Act) and Lov om boligforhold (The Act on Housing Conditions). In 2026, investors must be particularly aware of any updates regarding rent regulation and energy requirements. Unfair lease terms or failure to comply with formal requirements in the tenancy agreement can render an otherwise good re-letting strategy worthless if the contract is subsequently found invalid or the rent is reduced.
It is important to emphasise that this article does not constitute legal advice. Every investor should consult a lawyer specialising in property law or a professional administrator to ensure full compliance with the current rules from the Justitsministeriet (Ministry of Justice) and other relevant authorities.
Summary of strategic re-letting
To summarise, a successful reduction of void risk requires a holistic effort:
- Early action: Start the process immediately upon termination.
- Market-compliant rent: Avoid overpricing that scares the market.
- Quality presentation: Invest in professional materials.
- Efficient refurbishment: Have fixed agreements with suppliers.
- Digital workflow: Minimise administrative delays.
- Tenant care: Focus on retention to avoid voids altogether.
By implementing these elements in their re-letting strategy, an investor in the Danish market can ensure a more robust and profitable portfolio, whether they focus on the major growth cities or the stable regional centres.
Frequently asked questions
What is the biggest cause of voids in Danish rental properties?
The primary cause is often a mismatch between the rent level and the property's condition or location. Additionally, inefficient processes during tenant turnover play a large role, where the home stands empty unnecessarily long due to slow refurbishment.
How do you calculate void risk in an investment budget?
Void risk is typically calculated as a percentage of the potential gross rental income. One looks at historical data for the area and the property. A common assumption in Denmark is 2-5%, but this should be adjusted according to the specific city and property type.
Can you insure against void periods?
There are certain business insurances that cover lost rental income as a result of damage (e.g., fire or water damage), but ordinary market-related vacancy due to lack of letting is usually an operational risk borne by the owner.
How much can I increase the rent upon re-letting?
It depends entirely on which legislation the property is covered by (e.g., det lejedes værdi or omkostningsbestemt leje). There are very strict rules for rent determination in Denmark, and it is always recommended to get a professional assessment to avoid future cases in the Huslejenævnet (Rent Control Board).
How PropertyInvestments can help
PropertyInvestments has assisted both Danish and international investors in navigating the Danish property market since 1985. We offer expertise in sourcing, preparing, and optimising investment properties, including advice on overall strategies for portfolio optimisation. If you would like to hear more about how we can help identify properties with low void risk or optimise your current assets, you are welcome to contact us at info@propertyinvestments.dk or telephone +45 31 16 31 00 for a professional dialogue about your opportunities.
