John Butler

Certified Passive House Consultant

MSc Sustainability Adaptation and the Built Environment
Bachelor Of Arts, Msc

Daisy Bank House
Whassett
LA7 7DN

Initial by Exam

Certificate valid from Oct. 2, 2019
Certificate valid until Oct. 2, 2024
The certificate only applies to this person.

Examined by Warm: Low Energy Building Practice / Warm, Peter at London, United Kingdom