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Comparability

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Prices and Consumption, Economic Statistics
Jakob Holmgaard
+45 39 71 31 24

jho@dst.dk

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Sales of real property

The statistics for sales of real property have methodically developed over time. However since 1992 - when some methodological improvements were implemented - the statistics have been processed in accordance with the same principles.

Comparability - geographical

Comparable house sales statistics for all EU member states can be found on the Eurostats website where figures are published around 100 days after the end of a quarter (reference period).

Comparability over time

The sales of real property statistics have methodically developed over time. However since 1992 - when some methodological improvements were implemented - the statistics have been processed in accordance with the same principles.

In calculating price indices, the ratio between the sales price and appraisal (spar-value) is used to quality adjust the properties in order to calculate the pure price change (SPAR-method). In 2014 Statistics Denmark carried out retrospective calculations of the tables ejen55, ejen66, ejen77 and ejen88. Originally the series started in 2006 due to the local government reform by. 1.1.2007. The series is now brought back to 1992 based on historical data. For ejen77 and ejen88 the data is comparable to the originally data, but now based on the new geographical subdivisions. However, it was not possible to calculate hectares prices for agricultural property for the period 1992-1999. For ejen55 and ejen66 the price indices might in some cases differ from the historical tables, among others for Counties. This applies especially for the overlap periods where the base year of the appraisals have been changed. It was not possible to calculate the price index for the Province Bornholm due to the local government reform in 2003. The yearly price indices are calculated as an unweighted average of the quarterly figures, which may also contribute to minor differences.

When data from the electronic registration system was implemented in 2009, multiple sales were registered in a different way than previous. Therefore, we have excluded multiple sales for building sites and owner-occupied flats from 2011 and onwards. The big jump for building sites in 4th quarter of 2010 in EJEN77 is due to multiple sales.

Coherence - cross domain

Read an analysis of a comparison of different house price statistics in Denmark: https://www.dst.dk/analyser. However, this analysis is only available in Danish.

Coherence - internal

Not relevant for this statistics, as the data comes from a single data source.