David Etherington

Certified Passive House Designer

Mr B.Eng (Hons) Company Owner

Waterstone Design Building Services Consultants Limited

Sir Thomas Longley Road
Waterstone Design, Ingenium House
ME2 4DU Rochester, Kent
United Kingdom/ Britain

Phone: +44 1634 727255
http://www.waterstonedesign.co.uk

Waterstone Design Building Services Consultants Limited

Sir Thomas Longley Road
Waterstone Design, Ingenium House
ME2 4DU Rochester, Kent
United Kingdom/ Britain

Phone: +44 1634 727255
david.etherington@waterstonedesign.co.uk
http://www.waterstonedesign.co.uk

Initial by Exam

Certificate valid from Jan. 11, 2022
Certificate valid until Jan. 11, 2027
The certificate only applies to this person.

Examined by Passive House Academy / O'Leary, Tomás at None