Target Primary Energy Rate
Approved document L, Conservation of Fuel and Power, Volume 2: Buildings other than dwellings, 2021 edition incorporating 2023 amendments, defines target primary energy rate as: ‘The maximum primary energy use for the building in a year, expressed as kWhPE/(m2.year).’
Part L 2021 Where to start, A guide for housebuilders and their advisors, Masonry construction, published by the Future Homes Hub in June 2022,defines the Target Primary Energy Rate (TPER) as an: ‘Additional compliance metric added for 2021, the target primary energy rate as calculated by SAP for a particular home and is expressed as kWhPE/(m².yr). The calculation is based on a notional dwelling... (etc, as per TFEE & TER).’
[edit] Related articles on Designing Buildings
- Approved document L.
- Dwelling Emission Rate.
- Dwelling Fabric Energy Efficiency.
- Masonry.
- Standard Assessment Procedure.
- Target Fabric Energy Efficiency.
- Target CO2 emission rates.
- Target Primary Energy Rate.
Featured articles
Check out some of the best features and news from Designing Buildings as well as key stories from around the web.
Guidance for conversion of traditional pre-1919 stone buildings.
Industrial heritage in the Ruhr
A marked difference to the fate of industrial landscapes in the UK.
Communities will be able to build their own clean energy.
Why diversity and inclusion matters for SMEs
CIOB’s D&I Charter shows how practical changes can support long-term growth.
Cut electricity bills to power growth
Coalition sends joint letter to the Chancellor.
Gasholders: a history in pictures. Book review.
Recognition, influence and growth
SocEnv identifies three strategic pillars in new strategy to 2045.
Discover the future of roofing, cladding and insulation.
New guidance for professional practice, cultural change and regulation in social housing.
The heritage of nuclear and conventional power stations.
New measures to stop people being ripped off
Government to protect families from cowboy builders and aggressive bailiffs.
New Futurebuild showcase brings an innovation-first approach.

















