The AECB conference on 30.9.22 at the new engineering institute in Hereford https://nmite.ac.uk/ was a day full of debate and interest in furthering good retrofit standards within the industry. Photo above shows the demo. wall for our project the Chestnuts; external timber I beams onto existing cavity wall construction. Sponsorship / partnership for the demo and the whole project from https://www.ecovertsolutions.co.uk and https://www.partel.co.uk/