Prof. Phil Jones

Phil Jones


Prof Phil Jones  expertise  is in low energy, low carbon, and sustainable design in the built environment. He specialises in the development of computer models for energy and environmental prediction, urban scale sustainability, research through design and building energy and environmental monitoring.

Phil has dedicated his working life to the  Welsh School of Architecture (WSA) at Cardiff University, following his degree and PhD at the University. He is Professor of Architectural Science at WSA and Acting Director of the ‘Energy Systems’ University Research Institute (URI).  He is Fellow of the Chartered Institute of Building Services Engineering (FCIBSE) and a Chartered Engineer

Through many roles Phil has influenced practice including being a member of the UK Government Building Regulation Advisory Committee (BRAC) and Welsh Government’s first Chair of its Building Regulation Advisory Committee. He has also used his technical skills to provide environmental consultancy for over 50 buildings in the UK and internationally. 

Phil is frequently invited to speak internationally, and has spoken at events in China, USA, Malaysia, India, Middle East and Europe. He is a Distinguished Visiting Research Professor at Hong Kong University, a Master Academic Advisor at Tianjin University, and an Adviser to the Building Research Institute in Shenzhen. 

Dr. Jo Patterson

Jo Patterson


Dr Jo Patterson has over 20 years of experience in the development and delivery of research projects in the area of sustainability in the built environment with a particular focus on energy. This has involved extensive technical and administrative project management of multidisciplinary stakeholders from Wales, the UK and Europe including academic, industrial and government partners, with funding from various sources including the Welsh Government, TSB, EU COST, EU 5th Framework, EPSRC and private industry.

Jo was technical and administrative project manager for the Solcer project and is leading projects on low carbon built environment. She is part of the UK wide Local Energy System Revolution Programme Other previous project topics include urban scale energy modelling for domestic properties, commercial properties and transport networks; evaluation tools for urban sustainability; housing and neighbourhoods and health; and sustainable schools which provides Jo with a very broad understanding of the requirements of a realistic sustainable built environment.

Over the past 12 years in her spare time, Jo has rebuilt her home, had 2 beautiful children, completed her PhD, run her sons football team and local mother and toddler group. Jo is now very excited to continue working with Zenergy Design Ltd colleagues to make affordable and liveable energy positive buildings a reality. 

Dr. Ester Coma

Ester Coma


Dr Ester Coma is a registered architect with ARB, registration number 080367G. Since moving from Barcelona to the UK in 2010, Ester has been involved in project designs of mainly residential buildings for Housing Associations around Wales. She has worked in all the stages of the projects from designing site layouts and houses plans for planning application drawings and design access statement; to details and working drawings for Building Regulation and tender. 

In Zenergy Design Ltd, Ester works to design low carbon buildings and to improve energy efficiency for commercial and residential clients.  With a diverse working background - residential, commercial, industrial and public buildings - she is responsible for developing new project designs and preparing them for construction. Her combined expertise in architecture design, energy systems and building technologies allows for an innovative yet pragmatic approach. 

Ester was architect and researcher for the SOLCER Project (2014 – 2016), part of the WEFO funded LCRI Convergence Programme. Previously, she was a researcher for BAPS Project (Buildings as Power Stations) with WSA and SPECIFIC.

Ester is a keen outdoors person. In her spare time, you may find her out working on her allotment, exploring on her bike or playing football with friends. 

About Us

Our approach

Sustainability is at the heart of everything we undertake. Zenergy Design audit all projects against global standards, while developing bespoke strategies that drive our environmental agenda. Zenergy Design believe that to build sustainably requires to design holistically, and the unique integrated design approach that Zenergy Design takes enables us to develop innovative strategies that have a firm focus on the future environment.

Our commitment

The principles of sustainability are integral to our work: designing buildings that run at a fraction of current energy requirements, or neighbourhoods that can support thriving communities, improving the quality of life in a city for all