David Etherington
Certified Passive House Designer

Mr B.Eng (Hons) Company Owner
Sir Thomas Longley Road
Waterstone Design, Ingenium House
ME2 4DU Rochester, Kent
United Kingdom
Phone: +44 1634 727255
david.etherington@waterstonedesign.co.uk
http://www.waterstonedesign.co.uk
Sir Thomas Longley Road
Waterstone Design, Ingenium House
ME2 4DU Rochester, Kent
United Kingdom
Phone: +44 1634 727255
http://www.waterstonedesign.co.uk
Initial by Exam
Certificate valid until Jan. 11, 2027
Examined by Passive House Academy / O'Leary, Tomás online