RIWIS Online - City Report Flensburg
 
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Brief Market Abstract Flensburg
as at: Q1/2025
General

Flensburg is the most northerly city in Germany, located directly on the border with Denmark. It is the third largest city in Schleswig-Holstein after Kiel and Lübeck. On the north-south axis, Flensburg is connected to Kiel and Hamburg to the south and Aarhus (Denmark) to the north via motorway 7.

Flensburg harbour, which was also an important naval base until the 1990s, is gradually declining in importance as an industrial port, which is why the eastern side of the harbour is to be developed into a mixed-use urban quarter. However, it is gaining relevance as a tourist and leisure harbour. Flensburg is also home to the Mürwik Naval Academy, which is responsible for the Gorch Fock sailing training ship, among other things.

Demography

The D-city Flensburg has 96,431 inhabitants.

The population development in Flensburg shows a positive dynamic. Between 2018 and 2023, the number of inhabitants increased by 3.5% according to the update of the 2011 census, making Flensburg one of the fastest-growing D-cities. The 2022 census revealed a deviation of 2.66% from the projections based on the 2011 census. The forecast until 2040 indicates a further population growth of 4%, which is significantly above the average of D-cities.

In Flensburg, there are 53,424 households, with the proportion of single-person households at around 43%, placing it in the middle range among D-cities. By 2040, household growth of 6.6% is predicted, representing an above-average development compared to other D-cities. With a student population of approximately 9%, Flensburg has a significant academic presence that exceeds the average of D-cities.

Flensburg's demographic dynamics over the past five years are characterised by a slightly negative natural balance, which is more than offset by a moderately positive migration balance. Migration gains are the main driver of population growth. Regarding age structure, Flensburg shows comparatively low values for both the youth dependency ratio (28%) and the old-age dependency ratio (32%), indicating a strongly employment-oriented population structure. This structure is rather atypical for D-cities and is further reinforced by the above-average proportion of students.

Flensburg is distinguished by positive demographic development with above-average growth. The strongly employment-oriented population structure combined with the significant university presence forms a solid basis for future urban development. The projected positive development in terms of inhabitants and households suggests continued pressure on the housing market.

Economy

With 46,500 employees subject to social insurance contributions, Flensburg has an average-sized labour market among D-cities.

More than half of the employees in Flensburg, namely 53%, work in large companies. The sector structure shows a certain degree of diversification, with healthcare and social services accounting for the largest share at 20%, followed by manufacturing including construction (14%), wholesale and retail (13%) and public administration (11%). This distribution largely corresponds to a classic sector structure for D-cities.

The labour market dynamics in Flensburg have been above average in recent years. With employment growth of 5.5% over the last five years, the city is in the top third of all RIWIS cities and shows a robust development. The positive commuter balance of around 11,100 is concentrated regionally in the immediate neighbouring municipalities.

With an unemployment rate of 8.3%, the quality of the labour market in Flensburg is average compared to other D-cities. However, the development over the last five years shows an atypical trend with a slight increase of 0.3 percentage points, as Flensburg is one of the cities with the least favourable development among all RIWIS cities.

Residential

At 0.98 flats per household, Flensburg is in the bottom third of RIWIS cities and well below the average for D-cities. The proportion of 1- and 2-bedroom flats (18%) is in the upper midfield of all RIWIS cities and slightly above the average for D-cities. With a share of 74% flats in apartment blocks, Flensburg is close to the average of all RIWIS cities, but in the top third of the D-cities.

With an average of 360 completed flats per year, construction activity in Flensburg is in the middle range of all RIWIS cities, but in the top third of D-cities. The calculated annual additional and replacement demand of 687 flats by 2040 significantly exceeds current construction activity. This discrepancy between demand and new construction is above average compared to other RIWIS cities and places Flensburg in the top quarter of D-cities in terms of potential housing shortage.

In terms of price, Flensburg is positioned in the lower midfield. Property prices for apartment blocks in medium locations (EUR 200/sqm) are among the lowest 20% of all RIWIS cities and are also well below average in a comparison of D-cities. The average existing rent of EUR 8.8/sqm and the value of existing owner-occupied flats (EUR 2,100/sqm) are in the lower mid-range of both the RIWIS cities and the D-cities.

In terms of market dynamics, Flensburg shows typical activity for D-cities. With an average of 9.0 transactions per 1,000 inhabitants per year, the city is close to the average of all RIWIS cities, but in the lower midfield of the D-cities. The multiplier for multi-family houses (15) is in the lower third of all RIWIS cities and D-cities. It is worth noting that this multiplier has fallen by 2 annual rents in the last 5 years, which represents an above-average correction compared to other cities.

Conclusion: Flensburg is characterised by a tight housing market with below-average housing availability and a significant need for new construction. The comparatively moderate prices and rents as well as the recent correction of the multiplier indicate potential for investors, although the challenge lies in meeting the high demand for housing.