Project duration: May 2018 – June 2020

Zero Energy Buildings Catalyst (ZEBCat) is a three year, European Regional Development Funded (ERDF) programme that aims to help enterprises interested in whole house retrofit to engage with this growing market.

The programme ran until June 2020 and:

  • Undertook the whole-house retrofit of homes in Devon, using the innovative Energiesprong approach
  • Delivered significant energy savings on a difficult to treat public building in Exeter
  • Supported at least 80 enterprises in Devon to engage with new models of delivering whole house retrofit at scale

The project partners are Devon County Council (Lead), Regen, Energiesprong UK, Exeter City Council, North Devon Homes and Sanctuary Housing. Each of the social landlord partners provided homes in Devon to be retrofitted as part of the programme, during 2018 and 2019.


Reinventing Retrofit

The ZEBCat programme commissioned The Green Alliance to produce a report outlining how the Energiesprong approach could be used to help radically transform UK home energy efficiency.

Titled, ‘Reinventing Retrofit’,  the Green Alliance make the case that 11 million homes in the UK could benefit from an Energiesprong retrofit, helping cut energy bills and prevent excess winter deaths, currently at their highest level for forty years.

View the report here and below:

Business Support

Enterprises in Devon could apply for 12 hours of free support. To be eligible, enterprises had to be an SME (or community energy group with some economic activity), registered in Devon and looking to engage more with the whole-house retrofit market.

The support on offer was flexible, and included:

  • Technical training courses on energy efficiency, whole-house retrofit and new business models
  • UK based study tours to see other demonstrator projects deliver whole house retrofit
  • Toolbox talks and seminars in Devon, focusing on the ZEBCat demonstrators
  • Support from the ZEBCat supply chain network that will build over time, offering networking and peer-to-peer sharing

View the Innovation in Whole house Retrofit ZEBCat guide here and below:


Combined Logo May 2018

If you are interested in finding out more about the ZEBCat programme, contact Tim Crook


People on this project

Tim Crook
Senior Project Manager
Tim is a mechanical engineer with a broad range of experience in onshore heat…
Ian Hutchcroft
Ian is a strategic Programme Director and senior Sustainability Consultant with over 25 years’…

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