John Spain

John Spain is the founder of JSA and now holds the role of Consultant, having held the position of Managing Director until March 2025.

John has over thirty years of experience in planning and development in Ireland and the UK. In that time, he has represented a large number of private and public sector clients and has been involved in a wide range of diverse projects.

Prior to establishing JSA, John was Associate Director of Hillier Parker, a leading UK firm of chartered surveyors and planning consultants.

John has a Bachelor’s Degree in Business Studies from Trinity College Dublin and a Master’s Degree in Regional and Urban Planning from University College Dublin.

John is a past president and Fellow of the Irish Planning Institute and a current Council Member of Property Industry Ireland. He is also a Member of the Society of Chartered Surveyors and the Royal Town Planning Institute. John is also a Member of the Royal Institution of Chartered Surveyors.
Barry specialises in assessing existing building services, developing cost-effective, high-performance solutions, and ensuring compliance with Irish Building Regulations, including NZEB and Fire Safety standards. He works closely with architects to optimise energy efficiency through building orientation, passive design strategies, and sustainable fuel choices.

With a strong focus on quality, sustainability, and stakeholder communication, Barry’s leadership ensures the timely, compliant delivery of M&E designs on every project.