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Construction cost index for residential buildings

The purpose of the construction cost index for residential buildings is to measure the change in construction costs. The index is used, among other things, to regulate contracts. The primary users of this index are construction firms, entrepreneurs, housing developer, solicitors, public institutions and the EU.

The construction cost index is published from the first quarter 2003 and replaces the former construction cost index.

Statistical presentation

The construction cost index for residential buildings is produced each quarter to follow the change in construction costs for residential buildings in Denmark. The index is published for a one-family house and a multi-family house, in addition to all residential buildings which is based on a weighting of the two indices. All indices are further more broken down into eight sub-indices by profession and six sub-indices by building parts. Both the total indices and the sub-indices are divided into material costs and labour costs.

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Statistical processing

The Construction cost index i based in three actual constructions. The constructions are typical for the construction of residential building in Denmark and are selected on the basis of an analysis of the current construction. The costs of the three constructions forms the weights of the indices. These weights are used to weigh together the prices of the cost components. For the construction cost index price data that has already been collected by others in Statistics Denmark is used.

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The index is used for contract regulation and to follow the economic development in construction costs. The users of the construction cost index are construction organisations, contractors, building owners, lawyers, public authorities and the EU.

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Accuracy and reliability

The construction cost index for residential buildings covers the typical house building in Denmark. The concrete buildings have been chosen on the basis of an analysis of the typical house building from the Central Register of Buildings and Dwellings (BBR). Prices for materials and equipment are mainly collected from the Price Index for Domestic Supply. The prices for the total labour costs are mainly collected from the Indices of Average Earnings for the Private Sector. All prices are collected by questionnaires. Measures on accuracy are not available.

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Timeliness and punctuality

The Statistic is quarterly, primo march (Q¤4), medio June (Q1), primo September (Q2) and primo December (Q3).

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See "Comparability over time (QPI/CC for U)".

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Accessibility and clarity

The statistics are published in Nyt fra Danmarks Statistik (News from Statistics Denmark) and in Byggeri og boligforhold (Construction and housing) which appears in Konjunkturstatistik (Main indicators).

Yearly publications: Statistical Yearbook and Statistical ten-year review

Statistics are available from Statbank Denmark at: ( Byg42 and Byg52.

Furthermore, it is possible to subscribe to the construction index by postcards.

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