New Build Dwellings, once they are built: The EPC

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All new dwellings must have an assessment of energy performance (SAP), environmental impact (EI) and building regulations compliance undertaken at the design stage of the build, prior to works commencement. Once the dwelling is built, that assessment is revisited, with Read the rest

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What’s involved in producing a SAP calculation?

Passivhaus Building All new dwellings must be assessed to determine their energy efficiency (SAP rating), their Environmental Impact (EI) and whether they comply with standards. This is initially carried out at the design stage, before work starts on site. The whys and Read the rest
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Scottish Building Standards 2015 – Overview of Domestic Retrofits and Extensions

Scottish boy with the flag of Scotland

The Scottish government released the 2015 building standards earlier this week, ahead of their implementation (from October 2015). This allows industry plenty of time to get to grips with the requirements. This blog post considers the changes to domestic retrofit Read the rest

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Thermal Mass for Part L1A 2013

In this post we look at the role thermal mass plays in how buildings pass Part L1A of the Building Regulations.

Timber frame constructions are typically associated with lower levels of thermal Mass (a TMP of 100 is commonly used … Read the rest

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Tinkering with L1A 2013 compliance

Tinkering under the bonnet of SAP Jon Ducker’s been getting under the bonnet of SAP to get a building to comply with the new Building Regulations for L1A 2013. Here he shares his experiences…

I’ve given up on the BRE cSAP calculator for modeling, as it … Read the rest

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Setting the targets for SAP

Dartboard I’ve skimmed through the newly available Tables in Appendix R of SAP 2012 and put together some thoughts on the significant targets used.

The Approved Documents for Part L aren’t quite with us, but SAP 2012 Appendix R, which provides … Read the rest

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