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A selection of PH15 projects showing how versatile the PH15 system is in transforming different designs and project types into low carbon and Passivhaus reality. PH15 optimises energy efficiency, uses low embodied carbon materials and ensures a robust approach in a changing climate.

PH15 accurately predicts energy use, overheating percentage and embodied carbon (from 2020) – the headline figures are shown below for a variety of PH15 projects. True sustainability is built on reliable energy modelling, PH15 makes use of the PHPP software, which is proven to be accurate.

South Downs

Sussex

Falmouth

Cornwall

Dart House

Devon

Isle of Eigg

Inner Hebrides

Langley

Hampshire

New house in the Chilterns

Littlepits

The Chilterns

New house in Berkhampsted

Castle Hill

Berkhampsted

New house in Berkhampsted

Riverways

Devon

New house in Berkhampsted

Beltane Drive

SW19

Sylvan Rd

E11

Ha Ha House

Devon

Ardnamurchan

The Highlands

Blagden

Hampshire

New house in Berkhampsted

Oakfield Farm

Kent

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Passivhaus Trust Member
Anti-greenwash Charter - a structured framework to ensure transparent and honest environmental communications.
Buildoffsite Property Assurance Scheme (BOPAS) was developed to address the concerns and perceived risks associated with innovative construction. BOPAS is recognised by the principal mortgage lenders as providing the necessary assurance underpinned by a warranty provision, that the property will be readily mortgageable for at least 60 years.
certified passivhaus consultant
Buildoffsite Property Assurance Scheme (BOPAS) was developed to address these concerns and perceived risks associated with innovative construction. BOPAS is recognised by the principal mortgage lenders as providing the necessary assurance underpinned by a warranty provision, that the property will be readily mortgageable for at least 60 years.