UK & Ireland Passivhaus Conference 2025 Programme & Sponsors

Climate Emergency: The Passivhaus Solution

Earn up to 21 PHI Credit Points

7 Oct 2025    I   Masterclass: Weaversโ€™ Hall Student Accommodation

11:00 – 12:30

13:30 – 14:00

14:00 – 14:10

Welcome
Sarah Lewis, Passivhaus Trust & Nathan Campbell, Queen’s University Belfast

14:10 – 14:55

Why Passivhaus? The universityโ€™s first Passivhaus certified project
Sara Lynch & Conor McGowan, Queen’s University Belfast

From first principles: design, details and delivery
Harry McConnell, RPP Architects

Panel Q&A

14:55 – 16:00

MEP systems and Passivhaus
Cormac Freehill, Bennett Freehill

Passivhaus certification at scale, key challenges and solutions
Tomรกs O’Leary, Mosart

Panel Q&A

16:00 – 16:30

Coffee break

16:30 – 17:25

GRAHAM’s journey in Passivhaus
Sean Langley, GRAHAM

External wall construction & procurement strategy
Andrew Purdy, GRAHAM

Air tightness testing strategy
Sophie MacKichan, GRAHAM

MEP service penetrations and the airtight problem
Craig Bennett, GRAHAM

17:25 – 17:30

Wrap-up & closing remarks
Sarah Lewis, Passivhaus Trust

18:30 – 21:30

Networking dinner (fully booked)


8 Oct 2025    I    Conference 

08:45 – 09:30

Registration at foyer
Welcome coffee & sponsor exhibition

09:30 – 11:00

Chaired by Caroline Ashe Brady (Chair, Passive House Association of Ireland)

Sponsor: Ecological Building Systems

Climate change in NI: the big picture
Department of Agriculture, Environment, and Rural Affairs in Northern Ireland (DAERA)

Taking Passivhaus mainstream
Stephen O’Shea, Cairn Homes
Emma Osmundsen, Passivhaus Trust / London Borough of Ealing

Scaling up Passivhaus
Tomรกs O’Leary, Mosart
Stephen Long, Scottish Futures Trust
Jessica Grove-Smith, Passive House Institute

Discussion panel

11:00 – 11:30

Coffee break

11:30 – 13:00

Chaired by Bronwyn Barry, Passive House BB

Sponsors: Metal Technology, 21ยฐ

Trent View College
Simon Bell & AJ Taylor, HLM Architects

Pooling resources: Fermanagh & Omagh District Council Leisure & Wellness Centre
John Boyle, Fermanagh & Omagh District Council
Matt Bridgestock, Sussed Sustainability/John Gilbert Architects

Acorn Farm
Paul McAlister, Paul McAlister Architects
Colin Kennedy, Derry City & Strabane District Council

Chaired by Nathan Campbell, Queen’s University Belfast

Sponsors: Build Homes Better, SIGA

Social housing new build: Sunningdale Gardens
Sharon Poots, NIHE
Shane Colclough, Energy Expertise

Social housing retrofit: Cables Wynd & Linksview Houses
James York, Collective Architecture

Private housing: Lancaster Park (PHI LEB)
Iain Stewart, Formative Architects

PRACTICAL DEMONSTRATIONS

Low carbon Passivhaus construction in practice
Niall Crosson, Ecological Building Systems

What makes MVHR passive
Stefan Huber, PAUL Heat Recovery

13:00 – 14:00

Lunch & sponsor exhibition

14:00 – 15:30

Chaired by Sara Lynch, Queen’s University Belfast

Sponsor: Aluprof

DAERA College Campus: College of the future
James O’Boyle, DAERA
Jonathan Greig, Hamilton Architects
Cormac Freehill, Bennett Freehill

Portmarnock Drumnigh Oaks Development
Stephen Donoghue, Mosart
Charlie Conlan, Ballymore

Chaired by Chris Millar, Kernohan Distribution

Sponsor: Mosart

Libraries NI
Kieran McCambridge, McLean & Forte Architects
Garrett Quinn, Nilan.Green

BE-ST Scotlandโ€™s National Retrofit Centre (SNRC)
Caitriona Jordan, BE-ST
Gerry Cummins, Clark Contracts
Barbara Lantschner, John Gilbert Architects
Dan Gates, Luths Services

PRACTICAL DEMONSTRATIONS

Chaired by Tony Mahon, Aereco

Off-site to weathertight in 100 hours: PH panel system for the Irish climate
Gary Kelly, Kelly Studio Architects
Sean McKenna, ARCIT

Airtightness origami
Tomรกs O’Leary, Mosart
Dara McGowan, Partel

15:30 – 16:00

Coffee break

16:00 – 17:30

Chaired by Emma Osmundsen, Passivhaus Trust

ESG/Finance: Net zero & CO2 emissions
Manuel Gonzalez Rodriguez, CGBC

EU directive is changing mindset: designing for performance
Sinรฉad Hughes, Irish Green Building Council

Passivhaus principles: why you can’t afford not to do Passivhaus
Sarah Lewis, Passivhaus Trust

Real life costs from site
John O’Connell, OCC Construction

Handover to occupants
Dan Hyde, Zero Ambitions Partners

Chaired by Ann-Marie Fallon, Passivhaus Trust

Irish government policy & support for retrofit
Josephine Maguire, SEAI

Stepped approaches to retrofit
Jessica Grove-Smith, Passive House Institute

Retrofit projects: costs & benefits
Barry McCarron, KORE

EnerPHit & heritage retrofit:
Helena McElmeel, Helena McElmeel Architects

Access to retrofit finance
Yvonne McCarthy, AIB

17:30 – 18:30

Drinks & networking

 

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