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Understanding SAP ratings for historic and traditional homes

The following guidance publication has been archived. This is because it is now out of date or has been superseded by new guidance. If you would like to obtain a digital copy of this guidance for your information only please email supplying the title, author, product code and publication date.

The Standard Assessment Procedure or SAP for short is the UK’s chosen method for complying with the European Directive on energy-labelling of domestic buildings. For the Home Information Packs, SAP will be used to calculate the energy performance of a home and predict the savings that might be achieved if improvements are made.

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