NYSA Industry Updates - Moisture Management & Risk Assessment in Traditional Building Retrofit
The West Park Hotel, Harrogate, HG1 1BJ
Tuesday 12th May 2026
RIBA CPD Topic - Building Conservation and Heritage
Session Overview
This session covers how to assess and manage moisture risks when retrofitting traditional and historic buildings. It explains different assessment methods, with a focus on WUFI, a leading hygrothermal simulation tool increasingly recommended in national standards. The talk highlights WUFI’s strengths, limitations and real‑world application through case studies from Yorkshire and elsewhere. The session emphasises why understanding moisture behaviour is essential for upgrading older buildings effectively and safely.
About the Speaker
Nicholas Heath, Director of NDM Heath Ltd. in North Yorkshire, is a leading expert in the sustainable retrofit of traditional and historic buildings. He has worked on a wide variety of historic and significant buildings across the UK, with clients including UNESCO, Historic England, the National Trust and multiple universities as well as numerous architect firms and private clients.
Nick is a Certified Passivhaus Consultant and Retrofit Coordinator, sits on national working groups, and has authored major technical guidance on retrofit and moisture management. He regularly teaches at professional and postgraduate levels and is involved in several industry bodies, including the STBA, AECB, The Green Register, and university programmes at York and UCL.
Event sponsor
This event is sponsored by IndiNature, a manufacturer of UK-grown and manufactured high-performance, bio-based insulation materials designed for moisture-safe, low-carbon buildings. Focused on performance, compliance, and durability, IndiNature’s products are used across new build and retrofit applications, including traditional and hard-to-treat buildings where moisture management is critical. With an emphasis on technical credibility, proven performance, and whole-life carbon, IndiNature is part of the shift toward healthier, more resilient building fabric.
We hope you can join us and look forward to seeing you at the event.
Each ticket comes with a tea/coffee. Please feel free to stay afterwards for a drink and more conversations in the bar.
By reserving your ticket, you agree to be contacted by the event’s partners and sponsors and to be added to the North Yorkshire Society of Architects mailing list.
Session Overview
This session covers how to assess and manage moisture risks when retrofitting traditional and historic buildings. It explains different assessment methods, with a focus on WUFI, a leading hygrothermal simulation tool increasingly recommended in national standards. The talk highlights WUFI’s strengths, limitations and real‑world application through case studies from Yorkshire and elsewhere. The session emphasises why understanding moisture behaviour is essential for upgrading older buildings effectively and safely.
About the Speaker
Nicholas Heath, Director of NDM Heath Ltd. in North Yorkshire, is a leading expert in the sustainable retrofit of traditional and historic buildings. He has worked on a wide variety of historic and significant buildings across the UK, with clients including UNESCO, Historic England, the National Trust and multiple universities as well as numerous architect firms and private clients.
Nick is a Certified Passivhaus Consultant and Retrofit Coordinator, sits on national working groups, and has authored major technical guidance on retrofit and moisture management. He regularly teaches at professional and postgraduate levels and is involved in several industry bodies, including the STBA, AECB, The Green Register, and university programmes at York and UCL.
Event sponsor
This event is sponsored by IndiNature, a manufacturer of UK-grown and manufactured high-performance, bio-based insulation materials designed for moisture-safe, low-carbon buildings. Focused on performance, compliance, and durability, IndiNature’s products are used across new build and retrofit applications, including traditional and hard-to-treat buildings where moisture management is critical. With an emphasis on technical credibility, proven performance, and whole-life carbon, IndiNature is part of the shift toward healthier, more resilient building fabric.
We hope you can join us and look forward to seeing you at the event.
Each ticket comes with a tea/coffee. Please feel free to stay afterwards for a drink and more conversations in the bar.
