Colin L Potter BSc DipArch ARIAS RIBA CEPH

The founder of Architeco, Colin is passionate about the environment.

He is an ARB registered Architect, and a Chartered Architect with membership of the RIAS & RIBA.

One of the first Architects in the UK to become a Certified Passive House Designer, Colin has gained RIAS Accreditation in Sustainable Architecture, and is a member of the Scottish Ecological Design Association and the Passivhaus Trust.

Formerly an Associate at Robert Potter & Partners Architects, Colin has over 20 years experience working in architecture with extensive experience of Housing, Healthcare, Leisure and Conservation projects, including New Build, Conversions and Extensions.

He has been Project Leader for a Community Trust Sustainable Village initiative, given several presentations on low energy design and Passivhaus, and is the designer of Europe’s smallest inhabited Passive House.


Chris Johnstone BSc DipArch

Chris graduated from the University of Strathclyde in 2010 with a Postgraduate Diploma in Advanced Architectural Design, after gaining practical experience at practices in both Glasgow and Abu Dhabi. He started working at Architeco in 2015 as an Architectural Assistant and is currently gaining experience towards his Professional qualification, working on a number of bespoke low energy residential projects. With a keen interest in energy efficiency, Chris is our building energy analyst, ensuring the optimum energy performance of our designs.

Duncan Henderson BSc MArch

Duncan obtained his Master of Architecture qualification from the Scott Sutherland School of Architecture, Aberdeen in 2015. Attracted by the company’s ethos and unique approach to sustainability, he joined Architeco in 2016 as an Architectural Assistant. With interest in developing low impact solutions working towards self sustaining environments, Duncan recently obtained a Certificate in Permaculture Design and is now working towards gaining his RIBA Part III qualification.

Alan MacDonald BSc ACIAT

The newest member of our team,  Alan recently graduated with first class honours in Architectural Technology from Napier University. Working on the technical side of our projects, Alan’s attention to detailing is a great fit for developing our low energy designs and we are confident he will be registered with the Chartered Institute of Architectural Technologists in the not too distant future.

Alfonso Cerrillo MArch ARB

After completing his Master of Architecture degree in Spain, Alfonso joined Architeco in 2015. A BIM specialist, he is particularly interested in new technologies, sustainable design and construction details. As a registered Architect in both the UK and Spain, he has delivered a wide range of residential and retail projects. Alfonso is currently working part-time while studying for a degree in Bio-integrated design.