2025 Winter Special

4 weeks of inspiring free tours and talks in-person and online.

25 Oct - 30 Nov

Open Eco Homes

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.

Events

Upcoming Events

Our Open Eco Homes 2026 is now planned for 22nd September through to 18th October in Cambridge city and South Cambridgeshire.

Home Tours

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.

  • Mikhail, a visitor on a previous OEH tour, has now retrofitted his home and is opening it to show his air-to-air heat pump, solar and battery system.
  • Cambridge Retrofit will show progress on their deep retrofit in Greville Road.
  • Joe will show how he got a heat pump installed on a budget — just £1,000 cost after the £7,500 grant.
  • The Mayor of Cambridge is showing her eco home

Talks

We have four talks on some of the hot topics for improving your home:

  • Funding your home retrofit — grants and loans
  • Retrofit & Next Steps — a retrofit for every budget, and no budget
  • Air Tightness — fabric first principles
  • Home Batteries — new cheaper technology and opportunities for bill reduction
    • Home Batteries
    • Home Batteries
    • Home batteries are improving fast and getting cheaper. They can cut electricity bills and carbon footprints by importing cheaper, low-carbon electricity, often at night, for use later or for trading.
    • Tue 6 Oct 2026, 7:30pm - 8:30pm
    • Why Airtightness Matters
    • Why Airtightness Matters
    • Practical advice from Intelligent Membranes and Cambridge Retrofit Hub about what you can do to improve the comfort and energy efficiency of your home, and reduce your energy bills with airtightness.
    • Tue 13 Oct 2026, 7:00pm - 8:00pm
    • Everything but a heatpump, Fen Ditton
    • Everything but a heatpump, Fen Ditton
    • On-line tour of a large, detached timber house in Fen Ditton with insulation, new glazing, solar PV & batteries, MVHR system. Find out what the journey was like.
    • Thu 15 Oct 2026, 7:00pm - 8:00pm

Past Events

Take Action

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

News Articles

Supported by