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Removing barriers to low carbon retrofit by improving access to data and insight of the benefits to key market actors (REQUEST2ACTION)

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• Request2Action aimed to stimulate uptake and investment in building retrofit by ensuring easy access to accurate, trustworthy data about housing retrofit.
• Several pilot projects tested new approaches to presenting and disseminating information to supply and demand side actors.
• Each pilot reflected the different stage each country was at in being able to use aggregated EPC or retrofit monitoring data.
• The pilots focused on one or more of the following areas:
a) Monitoring the uptake of EPC recommendations
b) Enhancing self assessment advice for householders
c) Optimising the information provided to market actors
d) Developing a hub that will act as a monitoring platform, a knowledge platform and act as a market place to connect supply & demand side actors


1) Four new national/regional systems were built, to monitor and report on uptake of EPC recommendations, allowing improved policy making and increased compliance with EPC requirements.
2) New or improved home online energy efficiency advice tools for home owners were developed in four countries, linking EPC recommendations to easy action.
3) The project demonstrated how aggregated EPC data, alongside other household data can be presented and used by different market actors such as: tradespeople, financiers and local authorities.
4) Four retrofit information hubs were established to bring together supply and demand side actors with relevant information and data.

Lessons learned

1)  A single national database, or co-ordination between regional databases - Many countries, particularly those that operate on a federal-multiregional model have different EPC regimes, and therefore EPC databases, in each region. This causes challenges for national policy makers, and for anyone wanting to access and compare EPCs issued in different parts of the country.2)  Using the data for policy making - The best EPC databases across Europe make full use of their data to inform policy making. Some countries (e.g. Slovakia) use their EPC data for putting together their NEEAP.3) Linking the data to other databases - EPC data can be used and analysed alongside other datasets to provide more comprehensive and accurate pictures of the housing stock and its energy features.4) Making the data visible and usable by industry and local authorities - Industry and local authorities drive the market for energy efficiency at a local scale.5) Working towards interoperability of EPC systems across Europe  - The property industry, like other business sectors, increasingly operates globally. Ensuring that EPCs can be used, understood and compared between countries is key to integrating energy performance in the valuation of property. In the longer term, comparability between EPCs issues across different European countries has to be a key aspiration of the Energy Union.    

Partners and coordinator

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The Energy Saving Trust Limited
United Kingdom
Contact point: 
Mrs Emilie Carmichael


Key documents

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In brief

01/04/2014 to 31/03/2017
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