Barry Williams

Certified Passive House Tradesperson, specialised in Building Envelope

Archtectural Technologist

Will Design Studio

Caddagh Cross
N91 N504 Delvin

Phone: +35387 6754885

Initial by Exam

Certificate valid from March 21, 2019
Certificate valid until March 21, 2024
The certificate only applies to this person.

Examined by Passive House Academy / O'Leary, Tomás at Wicklow, Ireland