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Architecture
Architecture

Design and masterplanning, performance-led from the first sketch to handover.

Architecture overview →
Services
Feasibility & masterplanning Set the energy target before a line is drawn Planning & detailed design Buildable detail through every RIBA & RIAI stage ZEB, NZEB & Passivhaus design Classic, Plus and Premium, modelled from day one Deep retrofit Pathfinder, heritage & social housing retrofit Passivhaus at scale From 550 homes to a 5,500-home new town
Sectors
Residential & social housing Student accommodation Build-to-rent Commercial & mixed-use Education & civic
Senan House Featured project Senan House Ireland’s first certified Passivhaus office, designed by Mosart.
Consulting
Consulting

The building physics that makes performance real, certified independently at scale.

Consulting overview →
Passivhaus
Feasibility studies Can the design make the standard, and how Passivhaus designer Us, on your team as Passive House designer Passivhaus certifier Independent certification by 7 PHI-accredited certifiers PHPP energy modelling The energy model, live from feasibility Thermal bridge analysis 2D and 3D psi-values to ISO 10211 Airtightness strategy Designed and tested to 0.6 ACH EnerPHit retrofit The standard for existing buildings
Sustainability & energy
Dynamic simulation Overheating to CIBSE TM59 & Part O Daylight & sunlight EN 17037 and daylight factor Hygrothermal & moisture WUFI condensation and mould risk Embodied & whole-life carbon Whole-life carbon to EN 15978 Portfolio decarbonisation Stock-wide retrofit pathways
Why Passivhaus
The business case Cost, returns and the regulation runway
By region
Ireland Our home market, moving fast England The Future Homes Standard and Part L London Passivhaus for the London Plan Scotland New Build Heat Standard and beyond United States Massachusetts and Passive House
Learning
Learning

Trained 4,500 professionals, taught by the people who build to the standard daily.

Learning overview →
Courses
Certified Passivhaus Designer The international qualification, €1,795 on demand Certified Passivhaus Tradesperson For site teams, in person, online or in-house CPD training Bespoke CPD for your practice or team ZEB Summit The conference we founded and run All courses
Free, on this site
Building science benchmark Towerhaus
Certified Passivhaus Designer Most popular Certified Passivhaus Designer €1,795 · on demand · the credential you earn.
Pulse
Pulse

Post-occupancy monitoring. The kept promise, measured in the building people live in.

Pulse overview →
Post-occupancy
In-use energy & comfort Temperature, CO₂, humidity and energy, live Performance evaluation Designed versus measured, every dwelling Evidence for the next build What the data feeds back into design
Live now Hundreds of homes under measurement From single homes to full schemes, monitored in use today.
ToolsProjectsInsights
About
About

Passivhaus architects, consultants and certifiers since 1993.

About overview →
The practice
About Mosart Who we are and the people behind the work How we work Feasibility to in-use, stage by stage Careers Open roles in Co. Wicklow Contact Start a project or book a call
The numbers 30+ years, 7 certifiers 4,500 professionals trained, 4M ft² certified across Ireland, the UK and beyond.
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Architecture
Services
Feasibility & masterplanningPlanning & detailed designZEB, NZEB & Passivhaus designDeep retrofitPassivhaus at scale
Sectors
Residential & social housingStudent accommodationBuild-to-rentCommercial & mixed-useEducation & civic
Consulting
Passivhaus
Feasibility studiesPassivhaus designerPassivhaus certifierPHPP energy modellingThermal bridge analysisAirtightness strategyEnerPHit retrofit
Sustainability & energy
Dynamic simulationDaylight & sunlightHygrothermal & moistureEmbodied & whole-life carbonPortfolio decarbonisation
Why Passivhaus
The business case
By region
IrelandEnglandLondonScotlandUnited States
Learning
Courses
Certified Passivhaus DesignerCertified Passivhaus TradespersonCPD trainingZEB SummitAll courses
Free, on this site
Building science benchmarkTowerhaus
Pulse
Post-occupancy
In-use energy & comfortPerformance evaluationEvidence for the next build
About
The practice
About MosartHow we workCareersContact
ToolsProjectsInsights
Start a project →
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Mosart Group
Wicklow County Campus, Clermont House, Rathnew, Co. Wicklow, A67 X566
Email: info@mosartgroup.com
Phone: +353 404 25777

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mosart

Passivhaus architecture, consulting and education. Passivhaus experts with a global portfolio.

Redefining Building Performance.

Quality management to ISO 9001:2015 · PHI-accredited certifiers

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