
Solid Wall Insulation Scandal & Trust
A scandal broke in October following a National Audit Office report showing that 98% of external wall insulation (EWI) fitted under the government ECO4 grant
Open Eco Homes is a free home energy advice and information hub inspiring thousands of Cambridgeshire residents to improve their home energy efficiency for the last 16 years. Read our OEH 2025-26 report.
Our Open Eco Home tours for Sept-Oct 2026 are listed below, along with a number of expert-led talks online to help to lower your bills, to improve your home and reduce your carbon footprint. Previous years’ online tours are available on demand.
With detailed case studies of almost 100 new build and retrofitted eco-homes on record, it is possible to find examples of many building types and energy efficient solutions.
We showcase innovative and energy efficient homes so people can see real-life examples, get impartial information and knowledge from experienced homeowners. Watch this short video to find out more about visiting Open Eco Homes in and around Cambridge this autumn.
Book your place on events now, below.
Our Open Eco Homes 2026 is now planned for 22nd September through to 18th October in Cambridge city and South Cambridgeshire.
We have ten new in-person and on-line tours. Highlights include external and internal wall insulation, solar panels, batteries, Home Assistant controls, EV chargers, heat pumps, rainwater harvesting and MVHR systems.
We have four talks on some of the hot topics for improving your home:




















Find out more about what you can do to reduce the carbon footprint of your home by browsing our information pages.

A scandal broke in October following a National Audit Office report showing that 98% of external wall insulation (EWI) fitted under the government ECO4 grant

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