Benefits and options for retrofit of an 18th century traditional Scottish house using the Passive House standard

In many ways dealing with older properties can be a complicated and laborious task which involves recognising and learning about the existing materials and continuously finding ways to implement new and modern materials. The aim is not only to recreate and to restore older properties which can be found in many of our cities in Scotland, but to also while doing so, integrate forms of energy efficiency and ecological design. There are also properties which are in need of repair but are not classified as having a heritage or historical significance or are listed, but nevertheless because of its use and significance as a dwelling or building need to be restored. This is the case of typical hard to treat properties particularly the tenemental buildings around Scotland.

There are various ways in which these buildings can be restored and made more efficient; from the more historic and environmentally conscious perspective, with ecological materials and reproduction of ancient traditions with some degree of upgrading and new material integration; to the more specific and technologically advanced methodology which integrates new and old products challenging all components and changing much of the original functionality of the building. Both techniques are valid but both should respect and acknowledge the buildings historical and architectural significance as well as the way it will or is being occupied.

This report from 2012 documents the research project, and its findings. A summary article and video presentation is also available at:,1,298/FS32Benefitsandoptionsforretrofitofan18thcenturytraditionalScottishhouseusingthePassivHausstandard.html

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Sunday, 7th December 2014

Claire Truman, EPR Architects

This provides a useful starting point from which to scope works required in the adoption of the Passive House standard to an existing dwelling. The guidance incorporates a checklist of information required for submission for the scheme, and highlights possible limitations of the existing fabric upon achievement of the standard.


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