The Department for Energy and Climate Change (DECC) is advocating a new approach to the retrofit of traditional buildings following new research collated and published by the Sustainable Traditional Buildings Alliance (STBA), whose members include historic buildings interests such as the Institute of Historic Building Conservation (IHBC), as well as other mainstream construction groups.
The report, which reviewed base-line research in mainstream guidance in the context of a wide range of specialist information and understanding about the energy performance of traditional buildings, brought together under a collective experts from bodies such as the SPAB, the national heritage agencies, the National Trust and the IHBC, was warmly welcomed by Rt Hon Gregory Barker MP, Minister of State for Energy and Climate Change.
STBA writes:
The ‘Responsible Retrofit Report’ is calling for an overhaul of the retrofitting process to maximise the effectiveness of sustainability improvements to buildings built before 1919 which account for a quarter of the country’s housing stock.
In response to the STBA’s report findings, the Government is committed to re-writing industry best practice. This includes funding further research and a new retrofit guidance tool specifically for traditional buildings developed by the STBA. Neil May, Project Lead for STBA, comments: ‘Retrofitting the UK’s older buildings is not a one size or tick box solution. There are many gaps in our understanding and many complex interactions to take into account. Our findings reveal that if six million traditional homes are to be radically improved in their energy performance, then we need to see the application of a more informed, learning-based process that acknowledges the uncertainties and engages all parts of the supply chain as well as building users and owners. Our guidance tool will help this new process as well as linking to the best available research. We are glad to be supporting the Government in finding safer and more effective ways to undertake the retrofit of traditional buildings and the DECC has responded very positively to the findings raised in the report. If the recommendations are fully grasped and implemented, then the STBA is confident that the Green Deal and associated retrofit processes could not only transform our building stock but also construction industry skills and public understanding and engagement.’
Traditional buildings perform differently to accepted best practice
The STBA was commissioned by the Department for Energy and Climate Change (DECC) to examine the gaps in research and guidance about the retrofit of older properties. It analysed 521 separate pieces of formal research and guidance, and over 100 pieces of implicit guidance from industry and regulations, and found a significant lack of relevant research on traditional building performance and the outcomes of retrofit. One of the report’s key findings is that traditional buildings often perform considerably better in terms of heat loss through fabric than stated in standard models and assessment methods. It also found that traditional buildings require different assessment procedures and measures when it comes to the control of moisture. Current assessment fails to deal with driving rain, rising damp, residual moisture and moisture movement in traditional construction.? Furthermore there is a significant lack of available research for areas including traditional building energy performance, traditional materials data, occupant behaviour in older buildings, overheating, indoor air quality and ventilation rates. All of these gaps mean that it is almost impossible to predict the impact of retrofit programmes, which may also miss the opportunity for more effective measures.
Interactive guidance tool will end one size fits all approach?
The group claims a step-change is needed in the way the industry approaches the retrofit of older buildings to ensure their success. Working with the DECC, the STBA is developing an interactive guidance tool for the industry that moves away from the notion that there is one solution for every building or problem. Instead the tool takes in all parts and participants in the process of retrofit and links them with the best available research in an open and discursive framework. The DECC is strongly recommending the tool and it will be trialled by Cadw, the Welsh Government’s historic environment service and others in the coming months. ?Users of the tool will be encouraged to feed back their own findings into a dedicated knowledge centre which will use this information along with new research to update the guidance tool and to help formulate standards and policy.
Rt Hon Gregory Barker MP, Minister of State for Energy and Climate Change, adds: ‘I welcome the findings of this report and we are working closely with the STBA to develop the new guidance tool, which will maximise the benefits of retrofit programmes. The Green Deal will pave the way for one of the biggest retrofit programmes in our history, helping to make our buildings more energy efficient and allowing people to save money on their energy bills.’
The STBA report can be downloaded here: LINK
For the website see: LINK
Retrofit Buildings.com News: LINK
