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Tradesperson
Designer | Consultant
Building Certifier

Jiaji Yang

Certified Passive House Designer

Oxfordshire
United Kingdom

Phone: +44 7510940570
yangjiaji77@hotmail.com

Initial by Exam

Certificate valid from Sept. 7, 2021
Certificate valid until Sept. 7, 2026
The certificate only applies to this person.

Examined by Warm: Low Energy Building Practice / Warm, Peter online